Patent US2980637A successfully refreshed from Google Patents.
Patent US2927095A successfully refreshed from Google Patents.
US2927095A
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Plastic blends comprising resinous copolymer of an aryl monomer and an acidic monomer, and a graft copolymer of polybutadiene, aryl monomer and acidic monomer
Assignee: Uniroyal Inc
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Filing: 1957-08-02
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Granted: 1960-03-01
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Expires: 1977-08-02
Abstract
No abstract record available.
Inventors
- 👤 Harry S Witt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:08
CPC Classifications
C; C08; C08F; C08F279/00; C08F279/02; A; A47; A47J; A47J37/00; A47J37/04; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/16; C08L51/00; C08L51/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PLASTIC BLEND CHARACTERIZED BY HIGH IMPACT STRENGTH AND HIGH HEAT-DISTORTION TEMPERATURE COMPRISING: (A) A RESINOUS COPOLYMER CONSISTING OF AN ARYL MONOMER MATERIAL SELECTED FROM THE GROUP CONSISTING OF STYRENE, ALPHA-METHYLSTYRENE, THE NUCLEAR SUBSTITUTED MONOMETHYLSTYRENES, AND MIXTURES OF SAID STYRENES, COPOLYMERIZED WITH AN ACIDIC MONOMER MATERIAL SELECTED FROM THE GROUP CONSISTING OF METHACRYLIC ACID, CINNAMIC ACID, ACRYLIC ACID, AND MIXTURES OF SAID ACIDS, SAID RESINOUS COPOLYMER CONTAINING COPOLYMERIZED THEREIN FROM 20 TO 30% BY WEIGHT OF THE SAID ACIDIC MONMERIC MATERIAL AND CORRESPONDINGLY FROM 80 TO 70% BY WEIGHT OF THE SAID ARYL MONOMERIC MATERIAL, BASED ON THE ENTIRE WEIGHT OF SAID RESINOUS COPOLYMER AS 100%, AND (B) A GRAFT POLYMER RESULTING FROM THE EMULSION POLYMERIZATION IN A POLYBUTADIENE LATEX OF A MONOMER MIXTURE CONSISTING OF ONE MONOMER MATERIAL SELECTED FROM EACH OF THE TWO AFOREMENTIONED GROUPS.
Claim 2
Dependent Claim
137 words
A PLASTIC BLEND CHARACTERIZED BY HIGH IMPACT STRENGTH AND HIGH HEAT-DISTORTION TEMPERATURE COMPRISING: (A) A RESINOUS COPOLYMER CONSISTING OF AN ARYL MONOMER MATERIAL SELECTED FROM THE GROUP CONSISTING OF STYRENE, ALPHA-METHYLSTYRENE, THE NUCLEAR SUBSTITUTED MONOMETHYLSTYRENES, AND MIXTURES OF SAID STYRENES, COPOLYMERIZED WITH AN ACIDIC MONOMER MATERIAL SELECTED FROM THE GROUP CONSISTING OF METHACRYLIC ACID, CINNAMIC ACID, ACRYLIC ACID, AND MIXTURES OF SAID ACIDS, SAID RESINOUS COPOLYMER CONTAINING COPOLYMERIZED THEREIN FROM 20 TO 30% BY WEIGHT OF THE SAID ACIDIC MONMERIC MATERIAL AND CORRESPONDINGLY FROM 80 TO 70% BY WEIGHT OF THE SAID ARYL MONOMERIC MATERIAL, BASED ON THE ENTIRE WEIGHT OF SAID RESINOUS COPOLYMER AS 100%, AND (B) A GRAFT POLYMER RESULTING FROM THE EMULSION POLYMERIZATION IN A POLYBUTADIENE LATEX OF A MONOMER MIXTURE CONSISTING OF ONE MONOMER MATERIAL SELECTED FROM EACH OF THE TWO AFOREMENTIONED GROUPS.
References Cited (Backward Citations)
US2755270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |