US5125968A
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Recording liquid for ink jet recording
Assignee: Mitsubishi Chemical Corp
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Filing: 1991-03-20
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Granted: 1992-06-30
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Expires: 2011-03-20
Abstract
Abstract A recording liquid for ink jet recording, which comprises an aqueous medium, a pigment and, as a dispersant, at least one member selected from the group consisting of compounds of the following formula (I) to (X): ##STR1## wherein R 1 is a C 8-20 alkyl group, m is an integer of from 1 to 3, and M is Na or NH 4 , ##STR2## wherein R 2 is a C 8-20 alkyl group, n is an integer of from 1 to 3, and M is Na or NH 4 , ##STR3## wherein each of R 3 and R 4 is a C 6-16 alkyl or alkenyl group, and M is Na or NH 4 , ##STR4## wherein R 5 is a C 10-20 alkyl or alkenyl group, and M is Na or NH 4 , ##STR5## wherein R 6 is a C 6-16 alkyl or alkenyl group, and M is Na or NH 4 , ##STR6## wherein R 7 is a C 10-20 alkyl or alkenyl group, and M is Na or NH 4 , ##STR7## wherein R 8 is a C 10-20 alkyl or alkenyl group, R 9 is a C 1-4 alkyl group and R 10 is a C 1-3 alkylene group, and M is Na or NH 4 , ##STR8## wherein R 11 is a C 6-18 alkyl group, p is an integer of from 1 to 15, and M is Na or NH 4 , ##STR9## wherein R 12 is a methyl group or a hydrogen atom, q is an integer of 1 or 2, r is an integer of from 1 to 8, and M is Na or NH 4 , and ##STR10## wherein t is an integer of from 1 to 10, R 13 is a C 10-20 alkyl or alkenyl group, and M is Na or NH 4 .
Inventors
- 👤 Hiroshi Takimoto
- 👤 Akira Kajikawa
- 👤 Tomio Yoneyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:13
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/324; C09D11/326
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
306 words
A recording liquid for ink jet recording, which comprises an aqueous medium, a pigment and, as a dispersant, at least one member selected from the group consisting of compounds of the following formula (I) to (X): ##STR34## wherein R 1 is a C 8-20 alkyl group, m is an integer of from 1 to 3, and M is Na or NH 4 , ##STR35## wherein R 2 is a C 8-20 alkyl group, n is an integer of from 1 to 3, and M is Na or NH 4 , ##STR36## wherein each of R 3 and R 4 is a C 6-16 alkyl or alkenyl group, and M is Na or NH 4 , ##STR37## wherein R 5 is a C 10-20 alkyl or alkenyl group, and M is Na or NH 4 , ##STR38## wherein R 6 is a C 6-16 alkyl or alkenyl group, and M is Na or NH 4 , ##STR39## wherein R 7 is a C 10-20 alkyl or alkenyl group, and M is Na or NH 4 , ##STR40## wherein R 8 is a C 10-20 alkyl or alkenyl group, R 9 is a C 1-4 alkyl group and R 10 is a C 1-3 alkylene group, and M is Na or NH 4 , ##STR41## wherein R 11 is a C 6-18 alkyl group, p is an integer of from 1 to 15, and M is Na or NH 4 , ##STR42## wherein R 12 is a methyl group or a hydrogen atom, q is an integer of 1 or 2, r is an integer of from 1 to 8, and M is Na or NH 4 , and ##STR43## wherein t is an integer of from 1 to 10, R 13 is a C 10-20 alkyl or alkenyl group, and M is Na or NH 4 .
Claim 2
Dependent Claim
306 words
A recording liquid for ink jet recording, which comprises an aqueous medium, a pigment and, as a dispersant, at least one member selected from the group consisting of compounds of the following formula (I) to (X): ##STR34## wherein R 1 is a C 8-20 alkyl group, m is an integer of from 1 to 3, and M is Na or NH 4 , ##STR35## wherein R 2 is a C 8-20 alkyl group, n is an integer of from 1 to 3, and M is Na or NH 4 , ##STR36## wherein each of R 3 and R 4 is a C 6-16 alkyl or alkenyl group, and M is Na or NH 4 , ##STR37## wherein R 5 is a C 10-20 alkyl or alkenyl group, and M is Na or NH 4 , ##STR38## wherein R 6 is a C 6-16 alkyl or alkenyl group, and M is Na or NH 4 , ##STR39## wherein R 7 is a C 10-20 alkyl or alkenyl group, and M is Na or NH 4 , ##STR40## wherein R 8 is a C 10-20 alkyl or alkenyl group, R 9 is a C 1-4 alkyl group and R 10 is a C 1-3 alkylene group, and M is Na or NH 4 , ##STR41## wherein R 11 is a C 6-18 alkyl group, p is an integer of from 1 to 15, and M is Na or NH 4 , ##STR42## wherein R 12 is a methyl group or a hydrogen atom, q is an integer of 1 or 2, r is an integer of from 1 to 8, and M is Na or NH 4 , and ##STR43## wherein t is an integer of from 1 to 10, R 13 is a C 10-20 alkyl or alkenyl group, and M is Na or NH 4 .
Claim 3
Dependent Claim
91 words
The recording liquid according to claim 1, which comprises an aqueous medium, a pigment and, as a dispersant, at least one member selected from the group consisting of compounds of the following formulas (I) and (II); ##STR44## wherein R 1 is a C 8-20 alkyl group, m is an integer of from 1 to 3, and M is Na or NH 4 , and ##STR45## wherein R 2 is a C 8-20 alkyl group, n is an interfere of from 1 to 3, and M is Na or NH 4 .
Claim 4
Dependent Claim
121 words
The recording liquid according to claim 1, which comprises an aqueous medium, a pigment and, as a dispersant, at least one member selected from the group consisting of compounds of the formulas (III) to (VI); ##STR46## wherein each of R 3 and R 4 is a C 6-16 alkyl or alkenyl group, and M is Na or NH 4 , ##STR47## wherein R 5 is a C 10-20 alkyl or alkenyl group, and M is Na or NH 4 , ##STR48## wherein R 6 is a C 6-16 alkyl or alkenyl group, and M is Na or NH 4 , and ##STR49## wherein R 7 is a C 10-20 alkyl or alkenyl group, and M is Na or NH 4 .
Claim 5
Dependent Claim
71 words
The recording liquid according to claim 1, which comprises an aqueous medium, a pigment and, as a dispersant, at least one member selected from the group consisting of compounds of the following formula (VII): ##STR50## wherein R 8 is a C 10-20 alkyl or alkenyl group, R 9 is a C 1-4 alkyl group and R 10 is a C 1-3 alkylene group, and M is Na or NH 4 .
Claim 6
Dependent Claim
61 words
The recording liquid according to claim 1, which comprises an aqueous medium, a pigment and, as a dispersant, at least one member selected from the group consisting of compounds of the following formula (VIII): ##STR51## wherein R 11 is a C 6-18 alkyl group, p is an integer of from 1 to 15, and M is Na or NH 4 .
Claim 7
Dependent Claim
68 words
The recording liquid according to claim 1, which comprises an aqueous medium, a pigment and, as a dispersant, at least one member selected from the group consisting of compounds of the following formula (IX): ##STR52## wherein R 12 is a methyl group or a hydrogen atom, q is 1 or 2, r is an integer of from 1 to 8, and M is Na or NH 4 .
Claim 8
Dependent Claim
63 words
The recording liquid according to claim 1, which comprises an aqueous medium, a pigment and, as a dispersant, at least one member selected from the group consisting of compounds of the following formula (X): ##STR53## wherein t is an integer of from 1 to 10, R 13 is a C 10-20 alkyl or alkenyl group, and M is Na or NH 4 .
Claim 9
Dependent Claim
62 words
The recording liquid according to claim 1, wherein the aqueous medium is a solvent mixture comprising water and an aqueous organic solvent selected from the group consisting of ethylene glycol, propylene glycol, butylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol (#200), polyethylene glycol (#400), glycerol, N-methyl-pyrrolidone, N-ethyl-pyrrolidone, N-vinyl-pyrrolidone, 1,3-dimethyl-imidazolidine, ethylene glycol monoallyl ether, ethylene glycol monomethyl ether and diethylene glycol monomethyl ether.
Claim 10
Dependent Claim
36 words
The recording liquid according to claim 1, wherein the pigment is an azo-pigment, and at least one member selected from the group consisting of compounds of the formulas (I) to (VI) is contained as the dispersant.
Claim 11
Dependent Claim
61 words
The recording liquid according to claim 9, wherein at least one member selected from the group consisting of compounds of the formulas (I) and (II), at least one member selected from the group consisting of compounds of the formula (III), or at least one member selected from the group consisting of compounds of the formula (IV), is employed as the dispersant.
Claim 12
Dependent Claim
37 words
The recording liquid according to claim 1, wherein the pigment is a quinacridone pigment, and at least one member selected from the group consisting of compounds of the formulas (I) to (VI) is contained as the dispersant.
Claim 13
Dependent Claim
44 words
The recording liquid according to claim 11, wherein the dispersant is at least one member selected from the group consisting of compounds of the formulas (I) and (II), or at least one member selected from the group consisting of compounds of the formula (IV).
Claim 14
Dependent Claim
38 words
The recording liquid according to claim 1, wherein the pigment is phthalocyanine pigment, and at least one member selected from the group consisting of compounds of the formulas (I) to (III) and (VII), is contained as the dispersant.
Claim 15
Dependent Claim
36 words
The recording liquid according to claim 1, wherein the pigment is carbon black and at least one member selected from the group consisting of compounds of the formulas (I) to (VI) is contained as the dispersant.
Claim 16
Dependent Claim
28 words
The recording liquid according to claim 14, wherein the dispersant is at least one member selected from the group consisting of compounds of the formulas (I) and (II).
Claim 17
Dependent Claim
30 words
The recording liquid according to claim 1, wherein at least one member selected from the group consisting of compounds of the formulas (I) and (II) is used as the dispersant.
Claim 18
Dependent Claim
33 words
The recording liquid according to claim 1, wherein the pigment is contained in an amount of from 0.5 to 10% by weight based on the total amount by weight of the recording liquid.
Claim 19
Dependent Claim
29 words
The recording liquid according to claim 1, wherein the dispersant is used in an amount of from 20 to 90% by weight based on the weight of the pigment.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-06-30 | 1995-12-30 | 1996-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-06-30 | 1999-12-30 | 2000-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-06-30 | 2003-12-30 | 2004-06-30 | $7700.00 | Window Closed / Lapsed |