US2855375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized vinylidene cyanide polymers
Assignee: Goodrich Corp
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Filing: 1955-08-30
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Granted: 1958-10-07
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Expires: 1975-08-30
Abstract
No abstract record available.
Inventors
- 👤 Dobay Donald Gene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:25
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A COMPOSITION COMPRISING A 1 TO 1 MOLAR COPOLYMER OF VINYLIDENE CYANIDE AND VINYL ACETATE, SAID VINYLIDENE CYANIDE BEING A LIQUID AT ROOM TEMPERATURE AND A CRYSTALLINE SOLID AT 0*C., HAVING A MELTING POINT WHEN IN PUREST FORM ABOUT 9.7*C. AND BEING CHARACTERIZED CHEMICALLY BY THE ABILITY TO UNDERGO AN INSTANTANEOUS HOMOPOLYMERIZATION REACTION ON CONTACT WITH WATER AT ROOM TEMPERATURE TO GIVE A SOLID, WATER-INSOLUBLE RESIN, AND, AS A PLASTICIZER THEREFOR, AN ORGANIC SULFONAMIDE OF THE FORMULA
Claim 2
Dependent Claim
77 words
A COMPOSITION COMPRISING A 1 TO 1 MOLAR COPOLYMER OF VINYLIDENE CYANIDE AND VINYL ACETATE, SAID VINYLIDENE CYANIDE BEING A LIQUID AT ROOM TEMPERATURE AND A CRYSTALLINE SOLID AT 0*C., HAVING A MELTING POINT WHEN IN PUREST FORM ABOUT 9.7*C. AND BEING CHARACTERIZED CHEMICALLY BY THE ABILITY TO UNDERGO AN INSTANTANEOUS HOMOPOLYMERIZATION REACTION ON CONTACT WITH WATER AT ROOM TEMPERATURE TO GIVE A SOLID, WATER-INSOLUBLE RESIN, AND, AS A PLASTICIZER THEREFOR, AN ORGANIC SULFONAMIDE OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |