Patent US5618338A successfully refreshed from Google Patents.
US5618338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid composition, ink set and image-forming method and apparatus which employ the same
Assignee: Canon Inc
•
Filing: 1995-06-26
•
Granted: 1997-04-08
•
Expires: 2015-06-26
Abstract
Abstract A liquid composition according to the present invention contains at least a cationic substance and finely ground cellulose. The invention further provides a liquid composition which contains a cationic substance having a molecular weight of 1000 or less and finely ground cellulose. The invention further provides an ink set which is obtained by combining the liquid composition with an ink, and an image-forming method and apparatus which employ the liquid composition and the ink.
Inventors
- 👤 Yutaka Kurabayashi
- 👤 Katsuhiko Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:10
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/40; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/21; B41J2/2107; B41J2/2114
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
11 words
A liquid composition comprising a cationic substance and finely ground cellulose.
Claim 2
Dependent Claim
11 words
A liquid composition comprising a cationic substance and finely ground cellulose.
Claim 3
Dependent Claim
25 words
The liquid composition according to claim 1, wherein the cationic substance has a molecular weight of 1000 or less on the basis of weight average.
Claim 4
Dependent Claim
22 words
The liquid composition according to claim 1, wherein said finely ground cellulose has an average particle size of 5.0 μm or less.
Claim 5
Dependent Claim
33 words
The liquid composition according to claim 1, wherein each of said cationic substance and said finely ground cellulose is present in an amount from 0.05 to 20% by weight of the liquid composition.
Claim 6
Dependent Claim
25 words
The liquid composition according to claim 1, wherein the mixture ratio of said cationic substance and said finely ground cellulose is between 10:1 and 1:10.
Claim 7
Dependent Claim
12 words
The liquid composition according to claim 1, further comprising a cationic polymer.
Claim 8
Dependent Claim
18 words
The liquid composition according to claim 6, wherein said polymer has a molecular weight of at least 2000.
Claim 9
Dependent Claim
15 words
The liquid composition according to claim 1, further comprising water and a water-soluble organic solvent.
Claim 10
Dependent Claim
14 words
The liquid composition according to claim 1, wherein said cationic substance comprises a surfactant.
Claim 11
Dependent Claim
34 words
An ink set comprising the liquid composition of any of claims 1 through 9 and at least one ink selected from the group consisting of yellow, magenta, cyan, black, red, blue and green inks.
Claim 12
Dependent Claim
21 words
An ink set comprising the liquid composition of any of claims 1 through 9, yellow ink, magenta ink and cyan ink.
Claim 13
Dependent Claim
23 words
An ink set comprising the liquid composition of any of claims 1 through 9, yellow ink, magenta ink, cyan ink and black ink.
Claim 14
Dependent Claim
14 words
The ink set according to claim 10, wherein said ink contains an anionic compound.
Claim 15
Dependent Claim
18 words
The ink set according to claim 10, wherein said ink contains a water-soluble dye having an anionic group.
Claim 16
Dependent Claim
17 words
The ink set according to claim 10, wherein said ink contains a pigment and an anionic compound.
Claim 17
Dependent Claim
48 words
An image-forming method comprising: step (A) of attaching the liquid composition of any of claims 1 through 9 to at least an image-forming area of a recording medium; and step (B) of applying an ink containing an anionic compound to said recording medium in an ink jet process.
Claim 18
Dependent Claim
18 words
The image-forming method according to claim 16, wherein said ink jet process is an on-demand ink jet process.
Claim 19
Dependent Claim
22 words
The image-forming method according to claim 16, wherein said liquid composition is attached to said recording medium by an ink jet process.
Claim 20
Dependent Claim
20 words
The image-forming method according to claim 16, wherein heat energy is applied to said ink in said ink jet process.
Claim 21
Dependent Claim
13 words
The image-forming method according to claim 16, wherein step (A) precedes step (B).
Claim 22
Dependent Claim
12 words
The image-forming method according claim 16, wherein step (A) follows step (B).
Claim 23
Dependent Claim
14 words
An image-forming apparatus comprising: the ink set of claim 10; and ink jet means.
Claim 24
Dependent Claim
49 words
An-image forming apparatus comprising: a first recording unit having an accommodation portion and discharge means for the liquid composition set forth in any of claims 1 through 9; and a second recording unit having an accommodation portion and discharge means for an ink containing at least an anionic compound.
Claim 25
Dependent Claim
22 words
The image-forming apparatus according to claim 23, wherein the discharge means of at least the second recording unit comprises ink jet means.
Claim 26
Dependent Claim
26 words
The image-forming apparatus according to claim 22, wherein said ink jet means comprises means for applying heat energy to an ink to form an ink droplet.
References Cited (Backward Citations)
JPS5565269A
Cited
JPS5566976A
Cited
JPS6159911A
Cited
JPS6159912A
Cited
JPS6159914A
Cited
JPS63299971A
Cited
JPS649279A
Cited
US5133803A
Cited
US5439515A
Cited
US5415686A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-04-07 | 2000-10-07 | 2001-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-04-07 | 2004-10-07 | 2005-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-04-07 | 2008-10-07 | 2009-04-08 | $7700.00 | Window Closed / Lapsed |