Patent US3011992A successfully refreshed from Google Patents.
US3011992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of matter comprising an acrylonitrile polymer and an alkylamine borane and spinning solutions containing same
Assignee: Union Carbide Corp
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Filing: 1960-02-12
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Granted: 1961-12-05
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Expires: 1980-02-12
Abstract
No abstract record available.
Inventors
- 👤 Kenneth H Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:24
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A SPINNING SOLUTION, COMPRISING ACETONITRILE, AN ACRYLONITRILE-CONTAINING RESIN SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF ACRYLONITRILE AND COPOLYMERS OF ACRYLONITRILE WITH AN ETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE THEREWITH, SAID COPOLYMERS CONTAINING AT LEAST 25 PERCENT BY WEIGHT OF ACRYLONITRILE COPOLYMERIZED THEREIN, AND FROM ABOUT 0.05% TO ABOUT 5% BY WEIGHT, BASED ON THE WEIGHT OF SAID RESIN, OF AN ALKYLAMINE BORANE REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
66 words
A SPINNING SOLUTION, COMPRISING ACETONITRILE, AN ACRYLONITRILE-CONTAINING RESIN SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF ACRYLONITRILE AND COPOLYMERS OF ACRYLONITRILE WITH AN ETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE THEREWITH, SAID COPOLYMERS CONTAINING AT LEAST 25 PERCENT BY WEIGHT OF ACRYLONITRILE COPOLYMERIZED THEREIN, AND FROM ABOUT 0.05% TO ABOUT 5% BY WEIGHT, BASED ON THE WEIGHT OF SAID RESIN, OF AN ALKYLAMINE BORANE REPRESENTED BY THE GENERAL FORMULA:
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) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |