US2949432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber-forming composition containing an acrylonitrile polymer plasticized with tri-(2-ethylhexyl) phosphate
Assignee: Solutia Inc
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Filing: 1957-09-12
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Granted: 1960-08-16
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Expires: 1977-09-12
Abstract
No abstract record available.
Inventors
- 👤 Terry W Tarkington
- 👤 Nealie T Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08L; C08L33/00; C08L33/18; C08L33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PLASTICIZED FIBER-FORMING COMPOSITION OF MATTER ADAPTED TO BE SPUN INTO FILAMENTS BY THE WET SPINNING PROCESS WITHOUT SUBSTANTIAL LOSS OF THE PLASTICIZER, COMPRISING A POLYMER CONTAINING AT LEAST 80 WEIGHT PERCENT OF ACRYLONITRILE AND ANOTHER MONOOLEFINIC MONOMER COPOLYMERIZED THEREWITH AND TRI-(2-ETHYLHEXYL)PHOSPHATE AS THE PLASTICERIZER, SAID COMPOSITION OF MATTER CONTAINING 5 TO 50 PERCENT OF SAID PHOSPHATE BASED ON THE WEIGHT OF SAID PHOSPHATE AND SAID POLYMER.
Claim 2
Dependent Claim
67 words
A PLASTICIZED FIBER-FORMING COMPOSITION OF MATTER ADAPTED TO BE SPUN INTO FILAMENTS BY THE WET SPINNING PROCESS WITHOUT SUBSTANTIAL LOSS OF THE PLASTICIZER, COMPRISING A POLYMER CONTAINING AT LEAST 80 WEIGHT PERCENT OF ACRYLONITRILE AND ANOTHER MONOOLEFINIC MONOMER COPOLYMERIZED THEREWITH AND TRI-(2-ETHYLHEXYL)PHOSPHATE AS THE PLASTICERIZER, SAID COMPOSITION OF MATTER CONTAINING 5 TO 50 PERCENT OF SAID PHOSPHATE BASED ON THE WEIGHT OF SAID PHOSPHATE AND SAID POLYMER.
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) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |