US2734041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions of matter comprising
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
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Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/109
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A COMPOSITION FOR SPINNING FILAMENTS AND YARNS OF ACRYLONITRILE POLYMER, SAID COMPOSITION COMPRISING A SOLUTION OF AN ACRYLONITRILE POLYMER DISSOLVED IN A MIXTURE OF ETHYLENE CARBONATE AND WATER CONTAINING MORE THAN 60% BY WEIGHT OF ETHYLENE CARBONATE, SAID POLYMER BEING SELECTED FROM THE GROUP CONSISTING POLYACRYLONITRILE AND COPOLYMERS AND INTERPOLYMERS OF ACRYLONITRILE AND A MINOR AMOUNT OF AT LEAST ONE OTHER VINYL COMPOUND SAID INTERPOLYMERS BEING PREPARED SOLELY FROM MONOMERIC COMPOUNDS.
Claim 2
Dependent Claim
71 words
A COMPOSITION FOR SPINNING FILAMENTS AND YARNS OF ACRYLONITRILE POLYMER, SAID COMPOSITION COMPRISING A SOLUTION OF AN ACRYLONITRILE POLYMER DISSOLVED IN A MIXTURE OF ETHYLENE CARBONATE AND WATER CONTAINING MORE THAN 60% BY WEIGHT OF ETHYLENE CARBONATE, SAID POLYMER BEING SELECTED FROM THE GROUP CONSISTING POLYACRYLONITRILE AND COPOLYMERS AND INTERPOLYMERS OF ACRYLONITRILE AND A MINOR AMOUNT OF AT LEAST ONE OTHER VINYL COMPOUND SAID INTERPOLYMERS BEING PREPARED SOLELY FROM MONOMERIC COMPOUNDS.
References Cited (Backward Citations)
US896083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |