US3297792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blends of (1) graft copolymer of vinyl chloride onto chlorinated polyolefin, (2) diene-nitrile rubber and (3) ethylenevinyl acetate copolymer
Assignee: Monsanto Co
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Filing: 1964-03-04
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Granted: 1967-01-10
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Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 Antony William M Coaker
- 👤 Oscar P Cohen
- 👤 John W Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:06
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/18; C08L33/20; C08F; C08F255/00; C08F255/02; C08F255/023; C08F255/026; C08F291/00; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/26; C08L23/28; C08L23/32; C08L23/34; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L51/00; C08L51/003; C08L51/06; C08L9/00; C08L9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A COMPOSITION OF MATTER COMPRISING: (1) 40-90 PARTS BY WEIGHT OF A GRAFT BLEND PREPARED BY POLYMERIZING 60-98% BY WEIGHT OF MONOMERIC MATERIAL WITH 2-40% BY WEIGHT OF A CHLORINATED POLYMER OF AN ALPHA-MONOOLEFIN OF ABOUT 2 TO 3 CARBON ATOMS; SAID MONOMERIC MATERIAL COMPRISING 80-100% BY WEIGHT OF VINYL CHLORIDE AND 20-0% BY WEIGHT OF OTHER ETHYLENICALLY UNSATURATED MONOMERS COPOLYMERIZABLE THEREWITH, (2) 5-50 PARTS BY WEIGHT OF A RUBBERLIKE COPOLYMER OF ACRYLONITRILE AND A CONJUGATED DIENE HAVING AN ACRYLONITRILE CONTENT OF BETWEEN ABOUT 20-50 PERCENT BY WEIGHT AND (3) 5-40 PARTS BY WEIGHT OF AN ETHYLENE-VINYL ACETATE COPOLYMER.
Claim 2
Dependent Claim
99 words
A COMPOSITION OF MATTER COMPRISING: (1) 40-90 PARTS BY WEIGHT OF A GRAFT BLEND PREPARED BY POLYMERIZING 60-98% BY WEIGHT OF MONOMERIC MATERIAL WITH 2-40% BY WEIGHT OF A CHLORINATED POLYMER OF AN ALPHA-MONOOLEFIN OF ABOUT 2 TO 3 CARBON ATOMS; SAID MONOMERIC MATERIAL COMPRISING 80-100% BY WEIGHT OF VINYL CHLORIDE AND 20-0% BY WEIGHT OF OTHER ETHYLENICALLY UNSATURATED MONOMERS COPOLYMERIZABLE THEREWITH, (2) 5-50 PARTS BY WEIGHT OF A RUBBERLIKE COPOLYMER OF ACRYLONITRILE AND A CONJUGATED DIENE HAVING AN ACRYLONITRILE CONTENT OF BETWEEN ABOUT 20-50 PERCENT BY WEIGHT AND (3) 5-40 PARTS BY WEIGHT OF AN ETHYLENE-VINYL ACETATE COPOLYMER.
References Cited (Backward Citations)
CA626534A
Cited
US3085082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |