US2949437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition containing blend of acrylonitrile copolymers and chlorine-containing polymer
Assignee: Solutia Inc
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Filing: 1957-10-02
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Granted: 1960-08-16
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Expires: 1977-10-02
Abstract
No abstract record available.
Inventors
- 👤 Patrick H Hobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:34
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L33/00; C08L33/18; C08L33/20; D; D01; D01F; D01F6/00; D01F6/44; D01F6/54; Y; Y10; Y10S; Y10S525/00; Y10S525/916
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A COMPOSITION OF MATTER COMPRISING FROM ABOUT 80 TO ABOUT 90 WEIGHT PERCENT OF (1) A POLYMER BLEND OF A COPOLYMER OF 80 TO 99 WEIGHT PERCENT ACRYLONITRILE AND 20 TO ONE WEIGHT PERCENT OF ANOTHER MONOOLEFINIC MONOMER AND A COPOLYMER OF 10 TO 70 WEIGHT PERCENT ACRYLONITRILE AND 90 TO 30 WEIGHT PERCENT OF A MONOVINYLPRIDINE, SAID POLYMER BLEND HAVING AN OVERALL MONOVINYLPYRIDINE CONTENT OF 2 TO 10 PERCENT BASED ON THE WEIGHT OF THE BLEND, INTIMATELY BLENDED WITH ABOUT 20 TO ABOUT 10 WEIGHT PERCENT OF (2) A CHLORINE-CONTAINING POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE, POLYVINYLIDENE CHLORIDE, A COPOLYMER OF GREATER THAN 80 WEIGHT PERCENT VINYL CHLORIDE AND LESS THAN 20 WEIGHT PERCENT OF ANOTHER MONOOLEFINIC MONOMER AND A COPOLYMER OF GREATER THAN 80 WEIGHT PERCENT VINYLIDENE CHLORIDE AND LESS THAN 20 WEIGHT PERCENT OF ANOTHER MONOOLEFINIC MONOMER.
Claim 2
Dependent Claim
143 words
A COMPOSITION OF MATTER COMPRISING FROM ABOUT 80 TO ABOUT 90 WEIGHT PERCENT OF (1) A POLYMER BLEND OF A COPOLYMER OF 80 TO 99 WEIGHT PERCENT ACRYLONITRILE AND 20 TO ONE WEIGHT PERCENT OF ANOTHER MONOOLEFINIC MONOMER AND A COPOLYMER OF 10 TO 70 WEIGHT PERCENT ACRYLONITRILE AND 90 TO 30 WEIGHT PERCENT OF A MONOVINYLPRIDINE, SAID POLYMER BLEND HAVING AN OVERALL MONOVINYLPYRIDINE CONTENT OF 2 TO 10 PERCENT BASED ON THE WEIGHT OF THE BLEND, INTIMATELY BLENDED WITH ABOUT 20 TO ABOUT 10 WEIGHT PERCENT OF (2) A CHLORINE-CONTAINING POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE, POLYVINYLIDENE CHLORIDE, A COPOLYMER OF GREATER THAN 80 WEIGHT PERCENT VINYL CHLORIDE AND LESS THAN 20 WEIGHT PERCENT OF ANOTHER MONOOLEFINIC MONOMER AND A COPOLYMER OF GREATER THAN 80 WEIGHT PERCENT VINYLIDENE CHLORIDE AND LESS THAN 20 WEIGHT PERCENT OF ANOTHER MONOOLEFINIC MONOMER.
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 |