US3072600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graft copolymers of mixtures of acrylates and sulfonic acids on n-vinyl-2-oxazolidinone polymers, improved acrylonitrile polymer compositions, and method of preparation
Assignee: Dow Chemical Co
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Filing: 1959-10-05
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Granted: 1963-01-08
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Expires: 1979-10-05
Abstract
No abstract record available.
Inventors
- 👤 Stanley A Murdock
- 👤 Clyde W Davis
- 👤 Forrest A Ehlers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:38
CPC Classifications
C; C08; C08F; C08F271/00; C08F271/02; C08L; C08L33/00; C08L33/18; C08L33/20; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
COMPOSITION COMPRISING BETWEEN ABOUT 80 AND ABOUT 99.5 WEIGHT PERCENT, BASED ON COMPOSITION WEIGHT, OF (A) A POLYMERIZED ETHYLENICALLY UNSATURATED MONOMERIC MATERIAL CONTAINING AT LEAST ABOUT 80 WEIGHT PERCENT OF POLYMERIZED ACRYLONITRILE, AND (B) BETWEEN ABOUT 20 AND ABOUT 0.5 WEIGHT PERCENT, BASED ON COMPOSITION WEIGHT, OF A GRAFT COPOLYMER OF (A) FROM ABOUT 10 TO ABOUT 90 WEIGHT PERCENT, BASED ON GRAFT COPOLYMER WEIGHT, OF A MIXTURE OF MONOMERS CONSISTING OF (1) FROM ABOUT 10 TO ABOUT 90 MOLE PERCENT OF AN ACRYLATE MONOMER OF THE FORMULA:
Claim 2
Dependent Claim
88 words
COMPOSITION COMPRISING BETWEEN ABOUT 80 AND ABOUT 99.5 WEIGHT PERCENT, BASED ON COMPOSITION WEIGHT, OF (A) A POLYMERIZED ETHYLENICALLY UNSATURATED MONOMERIC MATERIAL CONTAINING AT LEAST ABOUT 80 WEIGHT PERCENT OF POLYMERIZED ACRYLONITRILE, AND (B) BETWEEN ABOUT 20 AND ABOUT 0.5 WEIGHT PERCENT, BASED ON COMPOSITION WEIGHT, OF A GRAFT COPOLYMER OF (A) FROM ABOUT 10 TO ABOUT 90 WEIGHT PERCENT, BASED ON GRAFT COPOLYMER WEIGHT, OF A MIXTURE OF MONOMERS CONSISTING OF (1) FROM ABOUT 10 TO ABOUT 90 MOLE PERCENT OF AN ACRYLATE MONOMER OF THE FORMULA:
References Cited (Backward Citations)
US2558734A
Cited
US2861101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |