US3029218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graft copolymers comprised of monomeric diacrylate esters of polyglycols on polyvinyllactams, acrylonitrile polymer compositions obtainable therewith, and method of preparation
Assignee: Dow Chemical Co
•
Filing: 1957-11-25
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Granted: 1962-04-10
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Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Stanley A Murdock
- 👤 Armen Ardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:09
CPC Classifications
C; C08; C08F; C08F28/00; C08F271/00; C08F271/02; C08L; C08L33/00; C08L33/18; C08L33/20; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
COMPOSITION COMPRISING A MAJOR PROPORTION OF (A) A FIBER FORMING POLYMER OF AN ETHYLENICALLY UNSATURATED MONOMERIC MATERIAL CONTAINING AT LEAST ABOUT 80 PERCENT BY WEIGHT OF ACRYLONITRILE AND (B) A MINOR PROPORTION OF UP TO ABOUT 20 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF A GRAFT COPLYMER OF (A) BETWEEN ABOUT 20 AND 80 WEIGHT PERCENT OF A MIXTURE OF MONOMERS CONSISTING OF (1) FROM ABOUT 10 TO 90 MOLE PERCENT OF A DIESTER OF A PLYGLYCOL OF THE FORMULA:
Claim 2
Dependent Claim
84 words
COMPOSITION COMPRISING A MAJOR PROPORTION OF (A) A FIBER FORMING POLYMER OF AN ETHYLENICALLY UNSATURATED MONOMERIC MATERIAL CONTAINING AT LEAST ABOUT 80 PERCENT BY WEIGHT OF ACRYLONITRILE AND (B) A MINOR PROPORTION OF UP TO ABOUT 20 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF A GRAFT COPLYMER OF (A) BETWEEN ABOUT 20 AND 80 WEIGHT PERCENT OF A MIXTURE OF MONOMERS CONSISTING OF (1) FROM ABOUT 10 TO 90 MOLE PERCENT OF A DIESTER OF A PLYGLYCOL OF THE FORMULA:
References Cited (Backward Citations)
US2735831A
Cited
US2418696A
Cited
US2417312A
Cited
US2614289A
Cited
GB715194A
Cited
US2643990A
Cited
US2776271A
Cited
US2776270A
Cited
US2837496A
Cited
US2821519A
Cited
US2790783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |