US2761855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric vinyl chloride fiberforming compositions
Assignee: Solutia Inc
•
Filing: 1952-05-05
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Granted: 1956-09-04
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Expires: 1972-05-05
Abstract
No abstract record available.
Inventors
- 👤 George E Ham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:37
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L39/00; C08L45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A FIBER-FORMING COMPOSITION WHICH COMPRISES A BLEND OF FROM 65 TO 98% BY WEIGHT OF A POLYVINYL CHLORIDE AND FROM TWO TO 35% BY WEIGHT OF A POLYMER OF THE GROUP CONSISTING OF POLY-N-VINYLCARBAZOLE, POLYVINYLANTHRACANE, POLYVINYLNAPHTHALENE, POLYVINYLPYRENE, POLYVINYLFLUORENE, POLYVINYLPHENOXTHIN, POLYACENAPHTHYLENE, POLYVINYLBIPHENYL, POLYISOPROPENYIBIPHENYL, AND POLYVINYLACENAPHTHENE, SAID COMPOSITION HAVING A ZERO STRENGTH TEMPERATURE ABOVE 133* C. WHEN IN THE FORM OF A FIBER.
Claim 2
Dependent Claim
61 words
A FIBER-FORMING COMPOSITION WHICH COMPRISES A BLEND OF FROM 65 TO 98% BY WEIGHT OF A POLYVINYL CHLORIDE AND FROM TWO TO 35% BY WEIGHT OF A POLYMER OF THE GROUP CONSISTING OF POLY-N-VINYLCARBAZOLE, POLYVINYLANTHRACANE, POLYVINYLNAPHTHALENE, POLYVINYLPYRENE, POLYVINYLFLUORENE, POLYVINYLPHENOXTHIN, POLYACENAPHTHYLENE, POLYVINYLBIPHENYL, POLYISOPROPENYIBIPHENYL, AND POLYVINYLACENAPHTHENE, SAID COMPOSITION HAVING A ZERO STRENGTH TEMPERATURE ABOVE 133* C. WHEN IN THE FORM OF A FIBER.
References Cited (Backward Citations)
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US2155591A
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US2317076A
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US2449684A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |