US2649426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solutions of vinylidene cyanide interpolymers in an organic nitrile
Assignee: Goodrich Corp
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Filing: 1952-05-17
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Granted: 1953-08-18
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Expires: 1972-05-17
Abstract
No abstract record available.
Inventors
- 👤 Gilbert Harry
- 👤 Floyd F Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:21
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J3/096; C08J2335/00; C08J2335/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A COMPOSITION COMPRISING AN INETERPOLYMER OF VINYLIDENE CYANIDE WITH AT LEAST ONE OTHER MONOOLEFINIC MONOMER, SAID INTERPOLYMER CONTAINING FROM ABOUT 45 TO 55 MOLE PER CENT OF VINYLIDENE CYCNIDE UNITS, AND, AS A SOLVENT THEREFOR, A COMPOUND OF THE STRUCTURE RCN, WHEREIN R IS A MEMBER OF THE CLASS CONSISTING OF HYDROCARBON RADICALS AND CHLORIDE SUBSTITUTED HYDROCARBON RADICALS, EACH CONTAINING FROM 1 TO 7 CARBON ATOMS AND IN WHICH ANY UNSATURATION IS PRESENT IN A BENZENE RING.
Claim 2
Dependent Claim
77 words
A COMPOSITION COMPRISING AN INETERPOLYMER OF VINYLIDENE CYANIDE WITH AT LEAST ONE OTHER MONOOLEFINIC MONOMER, SAID INTERPOLYMER CONTAINING FROM ABOUT 45 TO 55 MOLE PER CENT OF VINYLIDENE CYCNIDE UNITS, AND, AS A SOLVENT THEREFOR, A COMPOUND OF THE STRUCTURE RCN, WHEREIN R IS A MEMBER OF THE CLASS CONSISTING OF HYDROCARBON RADICALS AND CHLORIDE SUBSTITUTED HYDROCARBON RADICALS, EACH CONTAINING FROM 1 TO 7 CARBON ATOMS AND IN WHICH ANY UNSATURATION IS PRESENT IN A BENZENE RING.
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) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |