US4707546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactive monoazo dyestuffs
Assignee: Mitsubishi Chemical Corp
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Filing: 1986-01-23
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Granted: 1987-11-17
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Expires: 2006-01-23
Abstract
Abstract A reactive monoazo dyestuff of the general formula [I]: ##STR1## wherein R 1 and R 2 each represents substituted or unsubstituted alkyl, cyclohexyl, aralkyl or substituted or unsubstituted aryl, Z represents hydrogen, chlorine, methyl or acylamino, (A) represents substituted or unsubstituted alkylene, (B) represents oxygen or --NH--, X represents fluorine or chlorine, and Y represents --NR 4 R 5 or --OR 6 wherein R 4 , R 5 and R 6 each represents hydrogen, substituted or unsubstituted alkyl, alkenyl, cyclohexyl, aryl or aralkyl, or --NR 4 R 5 represents a 5- or 6-membered nitrogen-containing heterocyclic ring formed by combining R 4 and R 5 .
Inventors
- 👤 Toshio Niwa
- 👤 Kiyoshi Himeno
- 👤 Toshio Hihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:04
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04; C09B62/08; C09B62/085
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
72 words
A reactive monoazo dyestuff of the following formula ##STR52## wherein each of R 1 and R 2 represents lower alkyl, lower alkoxyalkyl or tetrahydrofurfurylalkyl, Z represents methyl or acylamino, (A) represents --C 2 H 4 -- or --C 3 H 6 --, (B) represents oxygen, X represents fluorine and Y represents --NR 4 R 5 wherein each of R 4 and R 5 represents hydrogen, substituted or unsubstituted lower alkyl or aralkyl.
Claim 2
Dependent Claim
72 words
A reactive monoazo dyestuff of the following formula ##STR52## wherein each of R 1 and R 2 represents lower alkyl, lower alkoxyalkyl or tetrahydrofurfurylalkyl, Z represents methyl or acylamino, (A) represents --C 2 H 4 -- or --C 3 H 6 --, (B) represents oxygen, X represents fluorine and Y represents --NR 4 R 5 wherein each of R 4 and R 5 represents hydrogen, substituted or unsubstituted lower alkyl or aralkyl.
Claim 3
Dependent Claim
37 words
The reactive monoazo dyestuff according to claim 1 wherein each of R 1 and R 2 represents C 1 -C 4 alkyl or C 1 -C 4 alkoxyethyl, Z represents ##STR53## and Y represents diethylamino or dibutylamino.
Claim 4
Dependent Claim
23 words
The reactive monoazo dyestuff according to claim 1 wherein R 1 and R 2 each represent lower alkyl and Z represents acyl amino.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-11-16 | 1991-05-18 | 1991-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-11-16 | 1995-05-18 | 1995-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-11-16 | 1999-05-18 | 1999-11-17 | $7700.00 | Window Closed / Lapsed |