Patent US2601113A successfully refreshed from Google Patents.
Patent US4378313A successfully refreshed from Google Patents.
US4378313A
Expired / Lapsed
US
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Reactive yellow dye having both monochlorotriazinyl and vinylsulfone type reactive groups
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1980-05-27
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Granted: 1983-03-29
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Expires: 2000-05-27
Abstract
Abstract The compounds represented, in the form of free acid, by the following general formula (I): <IMAGE> (I) (wherein A is <IMAGE> (wherein R3 and R4 are each hydrogen or a methyl, ethyl, methoxy, ethoxy, acetylamino, propionylamino, benzoylamino or ureido group, and R5 and R6 are each hydrogen or a methyl or methoxy group), R1 and R2 are each hydrogen or a methyl, ethyl or sulfomethyl group, X1 and X2 are each hydrogen, chlorine or a methyl, methoxy, carboxyl or sulfonic acid group, m is a number of 0, 1 or 2, and n is a number of 1 or 2, provided that the sum of m and n is 1, 2 or 3). These compounds are capable of dyeing cellulose fibers in yellow with excellent color fastness to hypochlorite, light, perspiration and sunlight and high acid stability.
Inventors
- 👤 Yutaka Kayane
- 👤 Masaki Sunami
- 👤 Yasuo Tezuka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:35
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/44; C09B62/4401; C09B62/4403; C09B62/4411; C09B62/4413
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
108 words
A compound of the formula, in the form of free acid, wherein A is ##STR78## (wherein R 3 and R 4 are each hydrogen or methyl, ethyl, methoxy, ethoxy, acetylamino, propionylamino, benzoylamino or ureido, and R 5 and R 6 are each hydrogen, group methyl or methoxy group), R 1 and R 2 are each hydrogen or methyl, ethyl or sulfomethyl, X 1 and X 2 are each hydrogen, chlorine or methyl, methoxy, carboxyl or sulfonic acid, m is a number of 0, 1 or 2, and n is a number of 1 or 2, provided that the sum of m and n is 1, 2 or 3.
Claim 2
Dependent Claim
108 words
A compound of the formula, in the form of free acid, wherein A is ##STR78## (wherein R 3 and R 4 are each hydrogen or methyl, ethyl, methoxy, ethoxy, acetylamino, propionylamino, benzoylamino or ureido, and R 5 and R 6 are each hydrogen, group methyl or methoxy group), R 1 and R 2 are each hydrogen or methyl, ethyl or sulfomethyl, X 1 and X 2 are each hydrogen, chlorine or methyl, methoxy, carboxyl or sulfonic acid, m is a number of 0, 1 or 2, and n is a number of 1 or 2, provided that the sum of m and n is 1, 2 or 3.
Claim 3
Dependent Claim
62 words
A compound of the formula, in the form of free acid, ##STR79## wherein R 3 and R 4 are each hydrogen or methyl, ethyl, methoxy, ethoxy, acetylamino, propionylamino, benzoylamino or ureido, m is a number of 0, 1 or 2, and n is a number of 1 or 2, provided that the sum of m and n is 1, 2 or 3.
Claim 4
Dependent Claim
62 words
A compound of the formula, in the form of free acid, ##STR79## wherein R 3 and R 4 are each hydrogen or methyl, ethyl, methoxy, ethoxy, acetylamino, propionylamino, benzoylamino or ureido, m is a number of 0, 1 or 2, and n is a number of 1 or 2, provided that the sum of m and n is 1, 2 or 3.
Claim 5
Dependent Claim
6 words
A compound of the formula, ##STR80##
Claim 6
Dependent Claim
6 words
A compound of the formula, ##STR80##
Claim 7
Dependent Claim
6 words
A compound of the formula, ##STR81##
Claim 8
Dependent Claim
6 words
A compound of the formula, ##STR81##
Claim 9
Dependent Claim
6 words
A compound of the formula, ##STR82##
Claim 10
Dependent Claim
6 words
A compound of the formula, ##STR82##
References Cited (Backward Citations)
US3223470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-03-28 | 1986-09-27 | 1987-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-03-28 | 1990-09-27 | 1991-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-03-28 | 1994-09-27 | 1995-03-29 | $7700.00 | Window Closed / Lapsed |