US4281329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid recording medium
Assignee: Canon Inc
•
Filing: 1979-06-19
•
Granted: 1981-07-28
•
Expires: 1999-06-19
Abstract
Abstract A liquid recording medium for use in a recording device, wherein the liquid recording medium is discharged from a discharge orifice in a recording head of the device and spattered in the form of droplets contains a carbonic acid ester compound having an aliphatic radical.
Inventors
- 👤 Yasuhiro Yano
- 👤 Masahiro Haruta
- 👤 Tokuya Ohta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:18
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/38; G; G01; G01D; G01D15/00; G01D15/16; G01D15/18
Claims Analysis
Total Claims: 76
Claim 1
Independent Claim
117 words
A liquid recording medium for use in a recording device, wherein said liquid recording medium is discharged from a discharge orifice in a recording head of the device and spattered in the form of droplets, for recording, characterized in that said liquid recording medium contains therein a coloring agent and a carbonic acid ester compound represented by the general formula A as follows: ##STR5## wherein R 1 and R 2 , which may be the same or different, each represents an alkyl, alkenyl or haloalkyl radical, wherein the content of said carbonic acid ester in said liquid recording medium is from 5 to 99.5 percent by weight based on the total weight of the liquid recording medium.
Claim 2
Dependent Claim
117 words
A liquid recording medium for use in a recording device, wherein said liquid recording medium is discharged from a discharge orifice in a recording head of the device and spattered in the form of droplets, for recording, characterized in that said liquid recording medium contains therein a coloring agent and a carbonic acid ester compound represented by the general formula A as follows: ##STR5## wherein R 1 and R 2 , which may be the same or different, each represents an alkyl, alkenyl or haloalkyl radical, wherein the content of said carbonic acid ester in said liquid recording medium is from 5 to 99.5 percent by weight based on the total weight of the liquid recording medium.
Claim 3
Dependent Claim
44 words
The liquid recording medium as set forth in claim 1, wherein the content of said carbonic acid ester in said liquid recording medium is in a range of from 10 to 99% by weight based on the total weight of said liquid recording medium.
Claim 4
Dependent Claim
31 words
The liquid recording medium as set forth in claim 1 wherein each of said R 1 has straight or branched chains with a carbon content of 10 carbon atoms or below.
Claim 5
Dependent Claim
45 words
The liquid recording medium as set forth in claim 1, wherein said carbonic acid ester compound is an alkyl diester of a carbonic acid wherein said alkyl groups are straight or branched chain alkyl groups having a carbon content of 8 carbon atoms or below.
Claim 6
Dependent Claim
19 words
The liquid recording medium as set forth in claim 1, characterized by further comprising a non-aqueous type carrier liquid.
Claim 7
Dependent Claim
40 words
The liquid recording medium as set forth in claim 5, wherein the content of said carbonic ester compound in said liquid recording medium ranges from 35 to 90% by weight based on the total weight of said liquid recording medium.
Claim 8
Dependent Claim
41 words
The liquid recording medium as set forth in claim 5, wherein the content of said carbonic acid ester compound in said liquid recording medium ranges from 55 to 80% by weight based on the total weight of said liquid recording medium.
Claim 9
Dependent Claim
40 words
The liquid recording medium as set forth in claim 5, wherein said non-aqueous type carrier liquid is selected from the group consisting of aliphatic monohydric alcohol, polyhydric alcohol, alcohol amine and lower alkyl mono- or di-ether derived from polyhydric alcohol.
Claim 10
Dependent Claim
33 words
The liquid recording medium as set forth in claim 8, wherein said lower alkyl mono- or di-ether derived from polyhydric alcohol is selected from triethylene glycol monomethyl ether and triethylene glycol monoethyl ether.
Claim 11
Dependent Claim
125 words
A liquid recording medium for use in a recording system, wherein said liquid recording medium is discharged from a discharge orifice in a recording head of the device and spattered in the form of droplets for recording characterized in that said liquid recording medium essentially consists of (a) coloring agent, (b) a non-aqueous carrier liquid, (c) water and (d) a carbonic acid ester represented by the general formula A as follows: ##STR6## wherein R 1 and R 2 , which may be the same or different, each represents an alkyl, alkenyl or haloalkyl radical, wherein the content of said carbonic acid ester in said liquid recording medium is from 5 to 99.5 percent by weight, based on the total weight of the liquid recording medium.
Claim 12
Dependent Claim
125 words
A liquid recording medium for use in a recording system, wherein said liquid recording medium is discharged from a discharge orifice in a recording head of the device and spattered in the form of droplets for recording characterized in that said liquid recording medium essentially consists of (a) coloring agent, (b) a non-aqueous carrier liquid, (c) water and (d) a carbonic acid ester represented by the general formula A as follows: ##STR6## wherein R 1 and R 2 , which may be the same or different, each represents an alkyl, alkenyl or haloalkyl radical, wherein the content of said carbonic acid ester in said liquid recording medium is from 5 to 99.5 percent by weight, based on the total weight of the liquid recording medium.
Claim 13
Dependent Claim
41 words
The liquid recording medium as set forth in claim 10, wherein the content of said carbonic acid ester compound in said liquid recording medium ranges from 5 to 80% by weight based on the total weight of the liquid recording medium.
Claim 14
Dependent Claim
41 words
The liquid recording medium as set forth in claim 10, wherein the content of said carbonic acid ester compound in said liquid recording medium ranges from 5 to 50% by weight based on the total weight of the liquid recording medium.
Claim 15
Dependent Claim
41 words
The liquid recording medium as set forth in claim 10, wherein the content of said carbonic acid ester compound in said liquid recording medium ranges from 5 to 30% by weight based on the total weight of the liquid recording medium.
Claim 16
Dependent Claim
41 words
The liquid recording medium as set forth in claim 10, wherein the content of said non-aqueous system carrier liquid in said liquid recording medium ranges from 5 to 50% by weight based on the total weight of the liquid recording medium.
Claim 17
Dependent Claim
41 words
The liquid recording medium as set forth in claim 10, wherein the content of said non-aqueous system carrier liquid in said liquid recording medium ranges from 5 to 30% by weight based on the total weight of the liquid recording medium.
Claim 18
Dependent Claim
35 words
The liquid recording medium as set forth in claim 10, wherein said R 1 and R 2 are both a straight chain or branched chain with a carbon content of 8 carbon atoms or below.
Claim 19
Dependent Claim
43 words
The liquid recording medium as set forth in claim 10, wherein said carbonic acid ester compound is an alkyl diester of a carbonic acid wherein said alkyl group is a straight chain or branched chain alkyl group having 8 or less carbon atoms.
Claim 20
Dependent Claim
37 words
The liquid recording medium as set forth in claim 10, wherein the content of water in said liquid recording medium ranges from 5 to 70% by weight based on the total weight of the liquid recording medium.
Claim 21
Dependent Claim
40 words
The liquid recording medium as set forth in claim 13, wherein said non-aqueous type carrier liquid is selected from aliphatic monohydric alcohol, polyhydric alcohol, nitrogen-containing five-membered ring ketone, alcohol amine, and lower alkyl mono- or di-ether derived from polyhydric alcohol.
Claim 22
Dependent Claim
18 words
The liquid recording medium as set forth in claim 19, wherein said nitrogen-containing five-membered ring ketone is N-methyl-2-pyrrolidone.
Claim 23
Dependent Claim
38 words
The liquid recording medium as set forth in claim 20, wherein the content of said N-methyl-2-pyrrolidone in said liquid recording medium ranges from 5 to 50% by weight based on the total weight of the liquid recording medium.
Claim 24
Dependent Claim
38 words
The liquid recording medium as set forth in claim 20, wherein the content of said N-methyl-2-pyrrolidone in said liquid recording medium ranges from 5 to 30% by weight based on the total weight of the liquid recording medium.
Claim 25
Dependent Claim
34 words
The liquid recording medium as set forth in claim 10, wherein said lower alkyl mono- or di- ether derived from polyhydric alcohol is selected from triethylene glycol monomethyl ether and triethylene glycol monoethyl ether.
Claim 26
Dependent Claim
115 words
In the process for recording information comprising ejecting and spattering a colored liquid recording medium as droplets from an orifice onto a recording member, the improvement comprising: employing in said liquid recording medium a carbonic acid ester compound in amounts from 5 to 99.5 percent by weight based on the total weight of the recording medium, said carbonic ester compound being represented by the general formula A or B as follows: ##STR7## wherein R 1 and R 2 , which may be the same or different, each represents an alkyl, alkenyl or haloalkyl, radical and wherein R 3 and R 4 , which may be the same or different, together form a cyclic alkylene group.
Claim 27
Dependent Claim
115 words
In the process for recording information comprising ejecting and spattering a colored liquid recording medium as droplets from an orifice onto a recording member, the improvement comprising: employing in said liquid recording medium a carbonic acid ester compound in amounts from 5 to 99.5 percent by weight based on the total weight of the recording medium, said carbonic ester compound being represented by the general formula A or B as follows: ##STR7## wherein R 1 and R 2 , which may be the same or different, each represents an alkyl, alkenyl or haloalkyl, radical and wherein R 3 and R 4 , which may be the same or different, together form a cyclic alkylene group.
Claim 28
Dependent Claim
52 words
The recording process as set forth in claim 24, wherein each of said R 1 and R 2 represents a straight-chain or branched chain radical having up to about 10 carbon atoms, and wherein said R 3 and R 4 together form a cyclic alkylene group having up to 20 carbon atoms.
Claim 29
Dependent Claim
44 words
The recording process as set forth in claim 24, wherein the content of said carbonic acid ester compound in said liquid recording medium is in a range of from 10 to 99% by weight based on the total weight of said liquid recording medium.
Claim 30
Dependent Claim
39 words
The recording process as set forth in claim 24, wherein each of said R 1 , R 2 , R 3 and R 4 has a straight or branched-chain with a carbon content of 10 carbon atoms or below.
Claim 31
Dependent Claim
43 words
The recording process as set forth in claim 24, wherein said carbonic acid ester compound is an alkyl diester of a carbonic acid wherein the alkyl groups are straight or branched-chain alkyl groups with a carbon content of 8 carbon atoms or below.
Claim 32
Dependent Claim
35 words
The recording process as set forth in claim 24, wherein said carbonic acid ester compound is a cyclic carbonic acid ester having an alkylene group with a carbon content of 4 carbon atoms or below.
Claim 33
Dependent Claim
23 words
The recording process as set forth in claim 29, wherein said carbonic acid ester compound is selected from ethylene carbonate and propylene carbonate.
Claim 34
Dependent Claim
18 words
The recording process as set forth in claim 24, characterized by further comprising a non-aqueous type carrier liquid.
Claim 35
Dependent Claim
39 words
The recording process as set forth in claim 31, wherein the content of said carbonic ester compound in said liquid recording medium ranges from 35 to 90% by weight based on the total weight of said liquid recording medium.
Claim 36
Dependent Claim
40 words
The recording process as set forth in claim 31, wherein the content of said carbonic acid ester compound in said liquid recording medium ranges from 55 to 80% by weight based on the total weight of said liquid recording medium.
Claim 37
Dependent Claim
40 words
The recording process as set forth in claim 31, wherein said non-aqueous type carrier liquid is selected from the group consisting of aliphatic monohydric alcohol, polyhydric alcohol, alcohol amine and lower alkyl mono- or di- ether derived from polyhydric alcohol.
Claim 38
Dependent Claim
33 words
The recording process as set forth in claim 34, wherein said lower alkyl mono- or di- ether derived from polyhydric alcohol is selected from triethylene glycol monomethyl ether and triethylene glycol monoethyl ether.
Claim 39
Dependent Claim
116 words
A liquid recording medium for use in a recording device, wherein said liquid recording medium is discharged from a discharge orifice in a recording head of the device and spattered in the form of droplets, for recording, characterized in that said liquid recording medium contains therein a coloring agent and a carbonic acid ester compound represented by the general formula B as follows: ##STR8## wherein R 3 and R 4 , which may be the same or different, together form a cyclic alkylene group, and wherein the content of said carbonic acid ester in said liquid recording medium is from 20 to 99 percent by weight based on the total weight of the liquid recording medium.
Claim 40
Dependent Claim
116 words
A liquid recording medium for use in a recording device, wherein said liquid recording medium is discharged from a discharge orifice in a recording head of the device and spattered in the form of droplets, for recording, characterized in that said liquid recording medium contains therein a coloring agent and a carbonic acid ester compound represented by the general formula B as follows: ##STR8## wherein R 3 and R 4 , which may be the same or different, together form a cyclic alkylene group, and wherein the content of said carbonic acid ester in said liquid recording medium is from 20 to 99 percent by weight based on the total weight of the liquid recording medium.
Claim 41
Dependent Claim
24 words
The liquid recording medium as set forth in claim 30, wherein said alkylene group has a carbon content of 4 carbon atoms or below.
Claim 42
Dependent Claim
19 words
The liquid recording medium as set forth in claim 36, characterized by further comprising a non-aqueous type carrier liquid.
Claim 43
Dependent Claim
40 words
The liquid recording medium as set forth in claim 38, wherein the content of said carbonic ester compound in said liquid recording medium ranges from 35 to 90% by weight based on the total weight of said liquid recording medium.
Claim 44
Dependent Claim
41 words
The liquid recording medium as set forth in claim 38, wherein the content of said carbonic acid ester compound in said liquid recording medium ranges from 55 to 80% by weight based on the total weight of said liquid recording medium.
Claim 45
Dependent Claim
41 words
The liquid recording medium as set forth in claim 38, wherein said non-aqueous type carrier liquid is selected from the group consisting of aliphatic monohydric alcohol, polyhydric alcohol, alcohol amine and lower alkyl mono- and di- ether derived from polyhydric alcohol.
Claim 46
Dependent Claim
34 words
The liquid recording medium as set forth in claim 41, wherein said lower alkyl mono- or di- ether derived from polyhydric alcohol is selected from triethylene glycol monomethyl ether and triethylene glycol monoethyl ether.
Claim 47
Dependent Claim
24 words
The liquid recording medium as set forth in claim 37, wherein said carbonic acid ester compound is selected from ethylene carbonate and propylene carbonate.
Claim 48
Dependent Claim
32 words
The liquid recording medium as set forth in claim 1, wherein said R 3 and R 4 together form an alkylene group with a carbon content of 4 carbon atoms or below.
Claim 49
Dependent Claim
123 words
A liquid recording medium for use in a recording system, wherein said liquid recording medium is discharged from a discharge orifice in a recording head of the device and spattered in the form of droplets for recording characterized in that said liquid recording medium essentially consists of (a) coloring agent, (b) a non-aqueous carrier liquid, (c) water and (d) a carbonic acid ester represented by the general formula B as follows: ##STR9## wherein R 3 and R 4 , which may be the same or different, together form a cyclic alkylene group, wherein the content of said carbonic acid ester in said liquid recording medium is from 20 to 99 percent by weight, based on the total weight of the liquid recording medium.
Claim 50
Dependent Claim
123 words
A liquid recording medium for use in a recording system, wherein said liquid recording medium is discharged from a discharge orifice in a recording head of the device and spattered in the form of droplets for recording characterized in that said liquid recording medium essentially consists of (a) coloring agent, (b) a non-aqueous carrier liquid, (c) water and (d) a carbonic acid ester represented by the general formula B as follows: ##STR9## wherein R 3 and R 4 , which may be the same or different, together form a cyclic alkylene group, wherein the content of said carbonic acid ester in said liquid recording medium is from 20 to 99 percent by weight, based on the total weight of the liquid recording medium.
Claim 51
Dependent Claim
41 words
The liquid recording medium as set forth in claim 45, wherein the content of said non-aqueous system carrier liquid in said liquid recording medium ranges from 5 to 50% by weight based on the total weight of the liquid recording medium.
Claim 52
Dependent Claim
41 words
The liquid recording medium as set forth in claim 45, wherein the content of said non-aqueous system carrier liquid in said liquid recording medium ranges from 5 to 30% by weight based on the total weight of the liquid recording medium.
Claim 53
Dependent Claim
37 words
The liquid recording medium as set forth in claim 45, wherein the content of water in said liquid recording medium ranges from 5 to 70% by weight based on the total weight of the liquid recording medium.
Claim 54
Dependent Claim
41 words
The liquid recording medium as set forth in claim 45, wherein said non-aqueous type carrier liquid is selected from aliphatic monohydric alcohol, polyhydric alcohol, nitrogen-containing five-membered ring ketone, alcohol amine, and lower alkyl mono- and di- ether derived from polyhydric alcohol.
Claim 55
Dependent Claim
34 words
The liquid recording medium as set forth in claim 45, wherein said lower alkyl mono- or di- ether derived from polyhydric alcohol is selected from triethylene glycol monomethyl ether and triethylene glycol monoethyl ether.
Claim 56
Dependent Claim
18 words
The liquid recording medium as set forth in claim 49, wherein said nitrogen-containing five-membered ring ketone is N-methyl-2-pyrrolidone.
Claim 57
Dependent Claim
38 words
The liquid recording medium as set forth in claim 51, wherein the content of said N-methyl-2-pyrrolidone in said liquid recording medium ranges from 5 to 50% by weight based on the total weight of the liquid recording medium.
Claim 58
Dependent Claim
38 words
The liquid recording medium as set forth in claim 51, wherein the content of said N-methyl-2-pyrrolidone in said liquid recording medium ranges from 5 to 30% by weight based on the total weight of the liquid recording medium.
Claim 59
Dependent Claim
24 words
The liquid recording medium as set forth in claim 45, wherein said carbonic acid ester compound is selected from ethylene carbonate and propylene carbonate.
Claim 60
Dependent Claim
139 words
In the process for recording information comprising ejecting and spattering a colored liquid recording medium as droplets from an orifice onto a recording member, the improvement comprising employing a liquid recording medium which essentially consists of (a) coloring agent, (b) a non-aqueous carrier liquid, (c) water and (d) a carbonic acid ester compound represented by the general formula A or B as follows: ##STR10## wherein R 1 and R 2 , which may be the same or different, each represents an alkyl, alkenyl or haloalkyl radical, wherein R 3 and R 4 , which may be the same or different, together form a cyclic alkylene group, and wherein the content of said carbonic acid ester compound in said liquid recording medium is from 5 to 99.5 percent by weight, based on the total weight of the liquid recording medium.
Claim 61
Dependent Claim
139 words
In the process for recording information comprising ejecting and spattering a colored liquid recording medium as droplets from an orifice onto a recording member, the improvement comprising employing a liquid recording medium which essentially consists of (a) coloring agent, (b) a non-aqueous carrier liquid, (c) water and (d) a carbonic acid ester compound represented by the general formula A or B as follows: ##STR10## wherein R 1 and R 2 , which may be the same or different, each represents an alkyl, alkenyl or haloalkyl radical, wherein R 3 and R 4 , which may be the same or different, together form a cyclic alkylene group, and wherein the content of said carbonic acid ester compound in said liquid recording medium is from 5 to 99.5 percent by weight, based on the total weight of the liquid recording medium.
Claim 62
Dependent Claim
40 words
The recording process as set forth in claim 55, wherein the content of said carbonic acid ester compound in said liquid recording medium ranges from 5 to 80% by weight based on the total weight of the liquid recording medium.
Claim 63
Dependent Claim
40 words
The recording process as set forth in claim 55, wherein the content of said carbonic acid ester compound in said liquid recording medium ranges from 5 to 50% by weight based on the total weight of the liquid recording medium.
Claim 64
Dependent Claim
40 words
The recording process as set forth in claim 55, wherein the content of said carbonic acid ester compound in said liquid recording medium ranges from 5 to 30% by weight based on the total weight of the liquid recording medium.
Claim 65
Dependent Claim
40 words
The recording process as set forth in claim 55, wherein the content of said non-aqueous system carrier liquid in said liquid recording medium ranges from 5 to 50% by weight based on the total weight of the liquid recording medium.
Claim 66
Dependent Claim
40 words
The recording process as set forth in claim 55, wherein the content of said non-aqueous system carrier liquid in said liquid recording medium ranges from 5 to 30% by weight based on the total weight of the liquid recording medium.
Claim 67
Dependent Claim
41 words
The recording process as set forth in claim 55, wherein each of said R 1 , R 2 , R 3 and R 4 is a straight or branched chain group with a carbon content of 8 carbon atoms or below.
Claim 68
Dependent Claim
45 words
The recording process as set forth in claim 55, wherein said carbonic acid ester compound is an alkyl diester of a carbonic acid wherein the alkyl groups are straight chain or branched chain alkyl groups with a carbon content of 8 carbon atoms or below.
Claim 69
Dependent Claim
35 words
The recording process as set forth in claim 55, wherein said carbonic acid ester compound is a cyclic carbonic acid ester having an alkylene group with a carbon content of 4 carbon atoms or below.
Claim 70
Dependent Claim
23 words
The recording process as set forth in claim 55, wherein said carbonic acid ester compound is selected from ethylene carbonate and propylene carbonate.
Claim 71
Dependent Claim
36 words
The recording process as set forth in claim 55, wherein the content of water in said liquid recording medium ranges from 5 to 70% by weight based on the total weight of the liquid recording medium.
Claim 72
Dependent Claim
40 words
The recording process as set forth in claim 55, wherein said non-aqueous type carrier liquid is selected from aliphatic monohydric alcohol, polyhydric alcohol, nitrogen-containing five-membered ring ketone, alcohol amine, and lower alkyl mono- or di- ether derived from polyhydric alcohol.
Claim 73
Dependent Claim
33 words
The recording process as set forth in claim 55, wherein said lower alkyl mono- or di- ether derived from polyhydric alcohol is selected from triethylene glycol monomethyl ether and triethylene glycol monoethyl ether.
Claim 74
Dependent Claim
17 words
The recording process as set forth in claim 66, wherein said nitrogen-containing five-membered ring ketone is N-methyl-2-pyrrolidone.
Claim 75
Dependent Claim
37 words
The recording process as set forth in claim 68, wherein the content of said N-methyl-2-pyrrolidone in said liquid recording medium ranges from 5 to 50% by weight based on the total weight of the liquid recording medium.
Claim 76
Dependent Claim
37 words
The recording process as set forth in claim 68, wherein the content of said N-methyl-2-pyrrolidone in said liquid recording medium ranges from 5 to 30% by weight based on the total weight of the liquid recording medium.
References Cited (Backward Citations)
US3565571A
Cited
US3458313A
Cited
US3630664A
Cited
US3758272A
Cited
US3776742A
Cited
US3687887A
Cited
US3705045A
Cited
US3705043A
Cited
US4153467A
Cited
US4106027A
Cited
US4170482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-07-27 | 1985-01-26 | 1985-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-27 | 1989-01-26 | 1989-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-27 | 1993-01-26 | 1993-07-28 | $7700.00 | Window Closed / Lapsed |