US3101988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the dyeing of polymeric synthetic material and material dyed therewith
Assignee: Novartis AG
•
Filing: 1955-12-01
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Granted: 1963-08-27
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Expires: 1975-12-01
Abstract
No abstract record available.
Inventors
- 👤 Bossard Werner
- 👤 Voltz Jacques
- 👤 Favre Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:13
CPC Classifications
C; C09; C09B; C09B44/00; C09B44/10; C09B44/02; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/927
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
14 words
POLYACRYLONITRILE CONTAINING AT LEAST 50% OF ACRYLONITRILE, COLORED BY COMPOUNDS WHICH HAVE THE STRUCTURE:
References Cited (Backward Citations)
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Cited
US2135293A
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US2349899A
Cited
US2683709A
Cited
US2822359A
Cited
US2864812A
Cited
US2864813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |