Patent US2970977A successfully refreshed from Google Patents.
US2970977A
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US
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Method of preparing an acrylonitrile polymer inter-linked by a metal alcoholate, composition thereof, and filament therefrom
Assignee: Kemanord AB
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Filing: 1958-05-14
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Granted: 1961-02-07
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Expires: 1978-05-14
Abstract
No abstract record available.
Inventors
- 👤 Sunden Olof
- 👤 Sorvik Erling Mathias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:56
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/28; C08F2/00; C08F2/12; C08F2/16; C08F20/00; C08F20/02; C08F20/42; C08F20/44; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/057; D; D01; D01F; D01F6/00; D01F6/02; D01F6/18; D01F6/28; D01F6/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A NOVEL COMPOSITION OF MATTER COMPRISING A RESINOUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE HOMOPOLYMERS OF ACRYLONITRILE AND COPOLYMERS OF ACRYLONITRILLE AND COPOLYMERS OF ACRYLONITRILE AND AN ETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE THEREWITH INTER-LINKED BY BETWEEN ABOUT 0.2% AND 3% BY WEIGHT OF AN ALCOHOLATE OF POLYVALENT METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, TITANIUM, CALCIUM, MAGNESIUM AND CHROMIUM, THE ALCOHOLATE GROUP OF WHICH IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF METHLYATE, ETHYLATE, PROPYLATE AND BUTYLATE.
Claim 2
Dependent Claim
80 words
A NOVEL COMPOSITION OF MATTER COMPRISING A RESINOUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE HOMOPOLYMERS OF ACRYLONITRILE AND COPOLYMERS OF ACRYLONITRILLE AND COPOLYMERS OF ACRYLONITRILE AND AN ETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE THEREWITH INTER-LINKED BY BETWEEN ABOUT 0.2% AND 3% BY WEIGHT OF AN ALCOHOLATE OF POLYVALENT METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, TITANIUM, CALCIUM, MAGNESIUM AND CHROMIUM, THE ALCOHOLATE GROUP OF WHICH IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF METHLYATE, ETHYLATE, PROPYLATE AND BUTYLATE.
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) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |