US2943074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl halide polymer compositions containing polymerization products of methyl methacrylate with a butadiene-styrene copolymer
Assignee: Rohm and Haas Co
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Filing: 1956-06-04
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Granted: 1960-06-28
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Expires: 1976-06-04
Abstract
No abstract record available.
Inventors
- 👤 Seymour S Feuer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:04
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08F; C08F257/00; C08F257/02; C08F279/00; C08F279/02; C08L51/00; C08L51/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A COMPOSITION COMPRISING A BLEND OF (A) 85 TO 50 PARTS BY WEIGHT OF A MEMBER OF THE GROUP CONSISTING OF POLYMERIZED VINYL HALIDES AND COPOLYMERS OF AT LEAST 50% BY WEIGHT OF VINYL HALIDE WITH OTHER MONOOLEFINIC MONOMERS COPOLYMERIZABLE THEREWITH, AND (B) 15 TO 50 PARTS BY WEIGHT OF A SOLID THERMOPLASTIC INTERPOLYMER OF 85 TO 25 PARTS BY WEIGHT OF A MEMBER OF THE GROUP CONSISTING OF METHYL METHACRYLATE AND MIXTURES OF AT LEAST 55% BY WEIGHT METHYL METHACRYLATE WITH ANOTHER COMPOUND HAVING A SINGLE VINYLIDENE GROUP COPOLYMERIZABLE THEREWITH, AND 15 TO 75 PARTS BY WEIGHT OF A COPOLYMER OF 90 TO 50% BY WEIGHT OF BUTADIENE AND 10 TO 50% BY WEIGHT OF STYRENE.
Claim 2
Dependent Claim
117 words
A COMPOSITION COMPRISING A BLEND OF (A) 85 TO 50 PARTS BY WEIGHT OF A MEMBER OF THE GROUP CONSISTING OF POLYMERIZED VINYL HALIDES AND COPOLYMERS OF AT LEAST 50% BY WEIGHT OF VINYL HALIDE WITH OTHER MONOOLEFINIC MONOMERS COPOLYMERIZABLE THEREWITH, AND (B) 15 TO 50 PARTS BY WEIGHT OF A SOLID THERMOPLASTIC INTERPOLYMER OF 85 TO 25 PARTS BY WEIGHT OF A MEMBER OF THE GROUP CONSISTING OF METHYL METHACRYLATE AND MIXTURES OF AT LEAST 55% BY WEIGHT METHYL METHACRYLATE WITH ANOTHER COMPOUND HAVING A SINGLE VINYLIDENE GROUP COPOLYMERIZABLE THEREWITH, AND 15 TO 75 PARTS BY WEIGHT OF A COPOLYMER OF 90 TO 50% BY WEIGHT OF BUTADIENE AND 10 TO 50% BY WEIGHT OF STYRENE.
References Cited (Backward Citations)
US2414803A
Cited
US2512697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |