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US3639384A
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Monoazo compounds containing a 3-acylamidoaniline coupling component
Assignee: Novartis Corp
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Filing: 1968-07-12
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Granted: 1972-02-01
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Expires: 1988-07-12
Abstract
Abstract MONOAZO COMPOUNDS HAVING A HETEROCYCLIC DIAZO COMPONENT AND A 3-ACYLAMIDOANILINE COUPLING COMPONENT IN WHICH THE ANILINE NITROGEN ATOM IS SUBSTITUTED WITH AN ARALKYL GROUP ARE USEFUL AS DYES FOR POLYESTER TEXTILE MATERIALS.
Inventors
- 👤 Max A Weaver
- 👤 Herman S Pridgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:34
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/06; C; C09; C09B; C09B29/00; C09B29/0025; C09B29/06; C09B29/08; D; D06; D06P; D06P3/00; D06P3/34; D06P3/52; D06P3/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |