US2606175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerizable compositions comprising 2-vinylbenzimidazole and polymerization products thereof
Assignee: Wyeth Holdings LLC
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Filing: 1951-04-12
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Granted: 1952-08-05
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Expires: 1971-04-12
Abstract
No abstract record available.
Inventors
- 👤 John A Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:48
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/16; C07D249/18; C07D249/20; C08; C08F; C08F226/00; C08F226/06; C08G; C08G73/00; C08G73/06; C08G73/18; C08L; C08L2666/00; C08L2666/02; C08L2666/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A POLYMERIZABLE COMPOSITION COMPRISING, BY WEIGHT, (1) FROM 1% TO 75% OF 2-VINYLBENZIMIDAZOLE AND (2) FROM 25% TO 99% OF A COMPOUND WHICH IS DIFFERENT FROM THE COMPOUND OF (1), IS COPOLYMERIZABLE THEREWITH AND WHICH CONTAINS A CH2=C< GROUPING.
Claim 2
Dependent Claim
39 words
A POLYMERIZABLE COMPOSITION COMPRISING, BY WEIGHT, (1) FROM 1% TO 75% OF 2-VINYLBENZIMIDAZOLE AND (2) FROM 25% TO 99% OF A COMPOUND WHICH IS DIFFERENT FROM THE COMPOUND OF (1), IS COPOLYMERIZABLE THEREWITH AND WHICH CONTAINS A CH2=C< GROUPING.
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) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |