US3047533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinylchloride polymer blends with graft copolymers of a conjugated diene/alkyl acrylate copolymer, an unsaturated hydrocarbon, and an unsaturated nitrile
Assignee: Individual
•
Filing: 1959-08-03
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Granted: 1962-07-31
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Expires: 1979-08-03
Abstract
No abstract record available.
Inventors
- 👤 William C Calvert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:43
CPC Classifications
C; C08; C08F; C08F279/00; C08F279/02; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L51/00; C08L51/003; C08L51/04; Y; Y10; Y10S; Y10S525/00; Y10S525/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN IMPACT RESISTANT BLEND COMPRISING (A) A MATERIAL SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE HOMOPOLYMERS AND COPOLMERS OF AT LEAST 80% BY WEIGHT VINYL CHLORIDE AND UP TO 20% BY WEIGHT OF A MONOVINYL COMPOUND COPOLYMERIZABLE THEREWITH AND (B) A GRAFT COPOLYMER, SAID GRAFT COPOLYMER FORMED BY POLYMERIZING A MIXTURE OF MATERIAL SELECTED FROM A GROUP CONSISTING OF VINYL BENEZENE, VINYL TOLUENE, VINYL TOLUENE, ALPHA METHYL VINYL BENZENE, ALPHA METHYL VINYL TOLUENE, ALPHA METHYL VINYL XYLENE, AND MIXTURES THEREOF WITH A MATERIAL SELECTED FROM A GROUP CONSISTING OF ARCYLONITRILE, METHACRYLONITRILE, ETHACRYLOMITRILE, AND MIXTURES THEREOF ING THE PRESENCE OF A COPOLYMER CONSISTING OF A CONJUGATED DIOLEFIN AND AN ALKYL ACRYLATE, THE ALKYL SUBSTITUTENT OF SAID ALKYL ACRYLATE CONTAINING FROM ONE TO ABOUT EIGHT CARBON ATOMS.
Claim 2
Dependent Claim
126 words
AN IMPACT RESISTANT BLEND COMPRISING (A) A MATERIAL SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE HOMOPOLYMERS AND COPOLMERS OF AT LEAST 80% BY WEIGHT VINYL CHLORIDE AND UP TO 20% BY WEIGHT OF A MONOVINYL COMPOUND COPOLYMERIZABLE THEREWITH AND (B) A GRAFT COPOLYMER, SAID GRAFT COPOLYMER FORMED BY POLYMERIZING A MIXTURE OF MATERIAL SELECTED FROM A GROUP CONSISTING OF VINYL BENEZENE, VINYL TOLUENE, VINYL TOLUENE, ALPHA METHYL VINYL BENZENE, ALPHA METHYL VINYL TOLUENE, ALPHA METHYL VINYL XYLENE, AND MIXTURES THEREOF WITH A MATERIAL SELECTED FROM A GROUP CONSISTING OF ARCYLONITRILE, METHACRYLONITRILE, ETHACRYLOMITRILE, AND MIXTURES THEREOF ING THE PRESENCE OF A COPOLYMER CONSISTING OF A CONJUGATED DIOLEFIN AND AN ALKYL ACRYLATE, THE ALKYL SUBSTITUTENT OF SAID ALKYL ACRYLATE CONTAINING FROM ONE TO ABOUT EIGHT CARBON ATOMS.
References Cited (Backward Citations)
US2802809A
Cited
GB767642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |