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Patent US2769792A successfully refreshed from Google Patents.
US2769792A
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Fiber-forming vinyl chloride copolymer blends with acrylonitrile polymers
Assignee: Solutia Inc
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Filing: 1951-11-05
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Granted: 1956-11-06
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Expires: 1971-11-05
Abstract
No abstract record available.
Inventors
- 👤 George E Ham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:19
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J3/096; C08K; C08K5/00; C08K5/16; C08K5/20; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L33/00; C08L33/18; C08L33/20; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A NEW COMPOSITION OF MATTER CAPABLE OF BEING FORMED INTO HEAT-STABLE FIBERS AND FILAMENTS COMPRISING A HOMOGENEOUS SOLUTION CONTAINING A POLYMERIC BLEND OF 5 TO 25 PARTS BY WEIGHT OF (A) A POLYMER CONTAINING AT LEAST 85% BY WEIGHT OF ACRYLONITRILE AND UP TO 15% OF ANOTHER POLYMERIZABLE MONO-OLEFINC MONOMER COPOLYMERIZABLE THEREWITH, AND 75 TO 95 PARTS BY WEIGHT OF (B) A COPOLYLMER CONTAINING 35 TO 70% BY WEIGHT OF VINYL CHLORIDE AND 30 TO 65% BY WEIGHT OF ACRYLONITRILE, DISSOLVED IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF N,N-DIMETHYLFORMAMIDE AND N,N-DIMETHYLACETAMIDE.
Claim 2
Dependent Claim
93 words
A NEW COMPOSITION OF MATTER CAPABLE OF BEING FORMED INTO HEAT-STABLE FIBERS AND FILAMENTS COMPRISING A HOMOGENEOUS SOLUTION CONTAINING A POLYMERIC BLEND OF 5 TO 25 PARTS BY WEIGHT OF (A) A POLYMER CONTAINING AT LEAST 85% BY WEIGHT OF ACRYLONITRILE AND UP TO 15% OF ANOTHER POLYMERIZABLE MONO-OLEFINC MONOMER COPOLYMERIZABLE THEREWITH, AND 75 TO 95 PARTS BY WEIGHT OF (B) A COPOLYLMER CONTAINING 35 TO 70% BY WEIGHT OF VINYL CHLORIDE AND 30 TO 65% BY WEIGHT OF ACRYLONITRILE, DISSOLVED IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF N,N-DIMETHYLFORMAMIDE AND N,N-DIMETHYLACETAMIDE.
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) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |