US4592756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dye solution composition
Assignee: Taoka Chemical Co Ltd
•
Filing: 1985-02-06
•
Granted: 1986-06-03
•
Expires: 2005-02-06
Abstract
Abstract A dye solution composition containing a black dye obtained by the action of at least one acid or its salt: HO(CH.sub.2).sub.n SO.sub.3 H, Cl(CH.sub.2).sub.n COOH, Br(CH.sub.2).sub.n COOH (n=1 or 2) on one or a mixture of dyes of the formula (I): ##STR1## wherein R is phenylene or naphthylene residue; X and X' are each H, sulfonic acid group or sulfonate group; Y and Y' are each H or alkali metal; R' is one of amino group-containing radicals: ##STR2## (the carboxyl group may be carboxylate group and the sulfonic acid group may be sulfonate group), except that when R' has not sulfonic acid group, X and X' are not the same and when R' has sulfonic acid group, X and X' are H. This is highly stable, preservative and water soluble, and is useful as ink composition for ball-point pen and ink jet recording.
Inventors
- 👤 Sinjiro Kawasaki
- 👤 Hideo Kitagawa
- 👤 Yutaka Nishii
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:09
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328; C09B; C09B67/00; C09B67/0033; C09B67/0046; C09B67/0071; C09B67/0072; C09B67/0073; C09B67/0083; C09B69/00; C09B69/02; C09B69/06; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917; Y10S8/918; Y10S8/919
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
129 words
A dye solution composition containing a dye obtained by reacting at least one acid selected from the group consisting of: OH(CH.sub.2).sub.n SO.sub.3 H, Cl(CH.sub.2).sub.n COOH and Br(CH.sub.2).sub.n COOH wherein n is an integer of 1 or 2, or salts thereof, with one or a mixture of dyes represented by the general formula (I): ##STR13## wherein R is phenylene or naphthylene; X and X' are each H, sulfonic acid or sulfonate; Y and Y' are each H or alkali metal; R' is an amino group-containing radical selected from the group consisting of: ##STR14## and carboxylates and sulfonates thereof except that when R' does not contain a sulfonic acid group, X and X' are not the same and when R' contains a sulfonic acid group, X and X' are each H.
Claim 2
Dependent Claim
129 words
A dye solution composition containing a dye obtained by reacting at least one acid selected from the group consisting of: OH(CH.sub.2).sub.n SO.sub.3 H, Cl(CH.sub.2).sub.n COOH and Br(CH.sub.2).sub.n COOH wherein n is an integer of 1 or 2, or salts thereof, with one or a mixture of dyes represented by the general formula (I): ##STR13## wherein R is phenylene or naphthylene; X and X' are each H, sulfonic acid or sulfonate; Y and Y' are each H or alkali metal; R' is an amino group-containing radical selected from the group consisting of: ##STR14## and carboxylates and sulfonates thereof except that when R' does not contain a sulfonic acid group, X and X' are not the same and when R' contains a sulfonic acid group, X and X' are each H.
Claim 3
Dependent Claim
13 words
A dye solution composition as claimed in claim 1 wherein X--R-- is ##STR15##
Claim 4
Dependent Claim
16 words
A dye solution composition as claimed in claim 1 or claim 2 wherein R' is ##STR16##
Claim 5
Dependent Claim
23 words
A dye solution composition as claimed in claim 1 wherein the dye of formula (I) is a dye represented by the formula: ##STR17##
Claim 6
Dependent Claim
23 words
A dye solution composition as claimed in claim 1 wherein the dye of formula (I) is a dye represented by the formula: ##STR18##
Claim 7
Dependent Claim
33 words
A dye solution composition as claimed in claim 1, claim 2, or claim 4 wherein said acid is selected from the group consisting of monochloroacetic acid, β-chloropropionic acid, monobromoacetic acid and β-bromopropionic acid.
Claim 8
Dependent Claim
21 words
A dye solution composition as claimed in claim 1 wherein the dye of formula (I) is represented by the formula: ##STR19##
Claim 9
Dependent Claim
23 words
A dye solution composition as claimed in claim 1 or claim 7 wherein said acid is sodium hydroxymethane sulfonate or sodium hydroxyethane sulfonate.
Claim 10
Dependent Claim
121 words
A dye solution composition containing one or a mixture of dyes having the formula (I) ##STR20## wherein R is phenylene or naphthylene; X and X' each are hydrogen, sulfonic acid or sulfonate; Y and Y' each are hydrogen or alkali metal; R' is selected from the group consisting of ##STR21## carboxylates and sulfonates thereof, wherein D is --(CH 2 ) n SO 3 H, --(CH 2 ) n COOH, or salts thereof, and n is 1 or 2, with the provisos that (1) when R' does not contain a sulfonic acid group, X and X' are not the same, and (2) when R' does contain a sulfonic acid group X and X' are both hydrogen, said composition also containing a solvent.
Claim 11
Dependent Claim
121 words
A dye solution composition containing one or a mixture of dyes having the formula (I) ##STR20## wherein R is phenylene or naphthylene; X and X' each are hydrogen, sulfonic acid or sulfonate; Y and Y' each are hydrogen or alkali metal; R' is selected from the group consisting of ##STR21## carboxylates and sulfonates thereof, wherein D is --(CH 2 ) n SO 3 H, --(CH 2 ) n COOH, or salts thereof, and n is 1 or 2, with the provisos that (1) when R' does not contain a sulfonic acid group, X and X' are not the same, and (2) when R' does contain a sulfonic acid group X and X' are both hydrogen, said composition also containing a solvent.
Claim 12
Dependent Claim
15 words
An ink for ink jet recording comprising a dye solution as claimed in claim 1.
Claim 13
Dependent Claim
15 words
A dye solution composition as claimed in claim 9 in which the solvent comprises water.
References Cited (Backward Citations)
GB1465889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-02 | 1989-12-02 | 1990-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-02 | 1993-12-02 | 1994-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-02 | 1997-12-02 | 1998-06-03 | $7700.00 | Window Closed / Lapsed |