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US3689501A Expired / Lapsed US ⏱️ 0.0 years remaining

Anthraquinone compounds containing a triazolylthio group

Assignee: Novartis Corp
•
Filing: 1969-02-27
•
Granted: 1972-09-05
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Expires: 1989-02-27
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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

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