Patent US3689501A successfully refreshed from Google Patents.
US3689501A
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Anthraquinone compounds containing a triazolylthio group
Assignee: Novartis Corp
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Filing: 1969-02-27
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Granted: 1972-09-05
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Expires: 1989-02-27
Abstract
Abstract Anthraquinone compounds containing the group ARE USEFUL AS DYES FOR HYDROPHOBIC TEXTILE MATERIALS SUCH AS POLYESTER, POLYAMIDE, AND CELLULOSE ACETATE FIBERS.
Inventors
- 👤 Max A Weaver
- 👤 Ralph R Giles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:27
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/56; C09B1/565; C09B1/16; C09B1/20; C09B1/26
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
46 words
A compound according to claim 1 wherein C and D are the same or different and each is hydrogen, hydroxy, amino, lower alkylamino, anilino, lower alkylsulfonamido, phenylsulfonamido, or tolylsulfonamido; R8 is hydrogen, lower alkyl, cyanoethyl, benzyl, or cyclohexyl; and R9 is hydrogen, lower alkyl or phenyl.
Claim 2
Dependent Claim
35 words
A compound according to claim 1 wherein C and D are the same or different and each is hydrogen, hydroxy, or amino; R8 is hydrogen, lower alkyl, cyanoethyl, benzyl or cyclohexyl; and R9 is hydrogen.
Claim 3
Dependent Claim
5 words
A compound having the formula
Claim 4
Dependent Claim
71 words
A compound according to claim 4 wherein E is hydrogen, hydroxy, amino, lower alkylamino, anilino, lower alkylsulfonamido, phenylsulfonamido, or tolysulfonamido; L and K are the same or different and each is hydrogen, hydroxy, amino, lower alkylamino, anilino, lower alkylsulfonamido, phenylsulfonamido, or tolylsulfonamido, or one of L and K is a group having the formula R8 is hydrogen, lower alkyl, cyanoethyl, benzyl, or cyclohexyl; and R9 is hydrogen, lower alkyl or phenyl.
Claim 5
Dependent Claim
48 words
A compound according to claim 4 wherein E is hydrogen, hydroxy or amino; L and K are the same or different and each is hydrogen, hydroxy, or amino, or one of L and K is R8 is hydrogen, lower alkyl, cyanoethyl, benzyl, or cyclohexyl; and R9 is hydrogen.
Claim 6
Dependent Claim
9 words
A compound according to claim 4 having the formula
Claim 7
Dependent Claim
9 words
A compound according to claim 4 having the formula
Claim 8
Dependent Claim
5 words
A compound having the formula
Claim 9
Dependent Claim
57 words
A compound according to claim 9 wherein A is hydroxy or amino; P is hydrogen, hydroxy, amino, lower alkylamino, anilino, lower alkylsulfonamido, phenylsulfonamido, or tolylsUlfonamido; Q and V are the same or different and each is hydrogen, hydroxy, or amino; R8 is hydrogen, lower alkyl, cyanoethyl, benzyl or cyclohexyl; and R9 is hydrogen, lower alkyl or phenyl.
Claim 10
Dependent Claim
9 words
A compound according to claim 9 having the formula
Claim 11
Dependent Claim
9 words
A compound according to claim 9 having the formula
Claim 12
Dependent Claim
9 words
A compound according to claim 4 having the formula
References Cited (Backward Citations)
US3318903A
Cited
US3541099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |