US4082739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibre-reactive dyestuff containing a bis-triazinylamino
Assignee: Novartis AG
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Filing: 1973-12-26
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Granted: 1978-04-04
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Expires: 1993-12-26
Abstract
Abstract A dyestuff of the formula ##STR1## wherein F 1 represents a dyestuff radical, particularly an azo dyestuff radical, R 1 and R 2 represent hydrogen, lower alkyl, or aryl, X 1 and X 2 each represent halogen, and X 3 represents halogen, amino, lower alkyl amino, di-lower alkyl amino, lower alkoxy, phenoxy, lower alkylthio, or a group of the formula --N(R 3 )--F 2 in which R 3 represents hydrogen, lower alkyl, or aryl and F 2 represents a dyestuff radical, particularly an azo dyestuff radical.
Inventors
- 👤 Karl Seitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:07
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04; C09B62/043
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
108 words
A dyestuff of the formula ##STR18## wherein F 1 is an azo dyestuff radical, R 1 is hydrogen, lower alkyl, or phenyl, R 2 is hydrogen, lower alkyl, chloro-lower alkyl, bromo-lower alkyl, cyano-lower alkyl, hydroxy-lower alkyl, lower alkoxy-lower alkyl, benzyl or phenyl, X 1 and X 2 each is chloro, bromo or fluoro, and X 3 is chloro, bromo, fluoro, lower alkyl, phenyl, lower alkylthio, phenylthio, lower alkoxy, phenoxy, amino, lower alkyl-amino, di-(lower alkyl)amino, phenylamino, phenyl(lower alkyl)-amino, benzylamino, hydroxylamino, hydrazino, phenyl hydrazino, morpholino, piperidino, piperazino or --N(R 3 )--F 2 , wherein R 3 is hydrogen, lower alkyl, or phenyl, and F 2 is an azo dyestuff radical.
Claim 2
Dependent Claim
108 words
A dyestuff of the formula ##STR18## wherein F 1 is an azo dyestuff radical, R 1 is hydrogen, lower alkyl, or phenyl, R 2 is hydrogen, lower alkyl, chloro-lower alkyl, bromo-lower alkyl, cyano-lower alkyl, hydroxy-lower alkyl, lower alkoxy-lower alkyl, benzyl or phenyl, X 1 and X 2 each is chloro, bromo or fluoro, and X 3 is chloro, bromo, fluoro, lower alkyl, phenyl, lower alkylthio, phenylthio, lower alkoxy, phenoxy, amino, lower alkyl-amino, di-(lower alkyl)amino, phenylamino, phenyl(lower alkyl)-amino, benzylamino, hydroxylamino, hydrazino, phenyl hydrazino, morpholino, piperidino, piperazino or --N(R 3 )--F 2 , wherein R 3 is hydrogen, lower alkyl, or phenyl, and F 2 is an azo dyestuff radical.
Claim 3
Dependent Claim
17 words
The dyestuff of claim 1, wherein R 1 is hydrogen, X 1 and X 2 are chloro.
Claim 4
Dependent Claim
18 words
The dyestuff of claim 2, wherein X 3 is --N(R 3 )--F 2 and R 3 is hydrogen.
Claim 5
Dependent Claim
10 words
The dyestuff of claim 1, wherein R 2 is phenyl.
Claim 6
Dependent Claim
10 words
The dyestuff of claim 2, wherein R 2 is phenyl.
Claim 7
Dependent Claim
10 words
The dyestuff of claim 3, wherein R 2 is phenyl.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-03 | 1981-10-03 | 1982-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-03 | 1985-10-03 | 1986-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-03 | 1989-10-03 | 1990-04-04 | $7700.00 | Window Closed / Lapsed |