Patent US2118955A successfully refreshed from Google Patents.
US3050488A
Expired / Lapsed
US
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Composition comprising polyacrylonitrile plasticized with cyanoalkyl sulfonamide
Assignee: Monsanto Chemicals Ltd
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Filing: 1958-01-02
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Granted: 1962-08-21
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Expires: 1978-01-02
Abstract
No abstract record available.
Inventors
- 👤 Paul R Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:18
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A COMPOSITION COMPRISING A HOMOPOLYMER OF ACRYLONITRILE AND FROM ABOUT 10% TO ABOUT 60% BY WEIGHT OF THE COMPOSITION OF A COMPOUND OF THE STRUCTURE
Claim 2
Dependent Claim
25 words
A COMPOSITION COMPRISING A HOMOPOLYMER OF ACRYLONITRILE AND FROM ABOUT 10% TO ABOUT 60% BY WEIGHT OF THE COMPOSITION OF A COMPOUND OF THE STRUCTURE
References Cited (Backward Citations)
US2349405A
Cited
US2855375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |