US3170964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blends of poly(methyl methacrylate) and graft copolymer resins
Assignee: GE Chemicals Inc
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Filing: 1961-07-31
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Granted: 1965-02-23
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Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Thomas S Grabowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:07
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08L33/12; C08L55/00; C08L55/02; C08L2205/00; C08L2205/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A COMPOSITION COMPRISING A BLEND OF (A) POLY(METHYL METHACRYLATE), (B) A GRAFT COPOLYMER OF (1) A POLYMERIZED DIENE RUBBER, THE MAJORITY OF THE LATEX PARTICLES OF SAID RUBBER HAVING A SIZE OF BETWEEN 500 AND 700 ANGSTROMS AND (2) A MIXTURE OF AN ALKENYL CYANIDE AND A VINYL AROMATIC HYDROCARBON AND (C) A GRAFT COPOLYMER OF (1) A POLYMERIZED DIENE RUBBER, THE MAJORITY OF THE LATEX PARTICLES OF SAID RUBBER HAVING A SIZE OF ABOUT 1600 ANGSTROMS AND (2) A MIXTURE OF AN ALKENYL CYANIDE AND A VINYL AROMATIC HYDROCARBON.
Claim 2
Dependent Claim
90 words
A COMPOSITION COMPRISING A BLEND OF (A) POLY(METHYL METHACRYLATE), (B) A GRAFT COPOLYMER OF (1) A POLYMERIZED DIENE RUBBER, THE MAJORITY OF THE LATEX PARTICLES OF SAID RUBBER HAVING A SIZE OF BETWEEN 500 AND 700 ANGSTROMS AND (2) A MIXTURE OF AN ALKENYL CYANIDE AND A VINYL AROMATIC HYDROCARBON AND (C) A GRAFT COPOLYMER OF (1) A POLYMERIZED DIENE RUBBER, THE MAJORITY OF THE LATEX PARTICLES OF SAID RUBBER HAVING A SIZE OF ABOUT 1600 ANGSTROMS AND (2) A MIXTURE OF AN ALKENYL CYANIDE AND A VINYL AROMATIC HYDROCARBON.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |