US2857360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic compositions formed by polymerizing methacrylic acid ester and butadiene styrene latices
Assignee: Rohm and Haas Co
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Filing: 1955-11-15
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Granted: 1958-10-21
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Expires: 1975-11-15
Abstract
No abstract record available.
Inventors
- 👤 Seymour S Feuer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:23
CPC Classifications
C; C08; C08F; C08F279/00; C08F279/02; C08F236/00; C08F236/02; C08F236/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A RIGID, TOUGH, SOLID, THERMOPLASTIC COMPOSITION COMPRISING 85 TO 65 PARTS BY WEIGHT OF A MEMBER OF THE CLASS CONSISTING OF METHYL METHACRYLATE AND MIXTURES OF AT LEAST 55% BY WEIGHT OF METHYL METHACRYLATE WITH ANOTHER MONOMERIC COMPOUND HAVING A SINGLE VINYLIDENE GROUP AS THE SOLE ALIPHATE CARBON TO CARBON LINKAGE POLYMERIZABLY REACTIVE UNSATURATED GROUP POLYMERIZED WHILE IN INTIMATE CONTACT WITH 15 TO 35 PARTS BY WEIGHT OF A COPOLYMER OF 90 TO 50% BY WEIGHT OF BUTADINE AND 10 TO 50% BY WEIGHT OF STYRENE.
Claim 2
Dependent Claim
86 words
A RIGID, TOUGH, SOLID, THERMOPLASTIC COMPOSITION COMPRISING 85 TO 65 PARTS BY WEIGHT OF A MEMBER OF THE CLASS CONSISTING OF METHYL METHACRYLATE AND MIXTURES OF AT LEAST 55% BY WEIGHT OF METHYL METHACRYLATE WITH ANOTHER MONOMERIC COMPOUND HAVING A SINGLE VINYLIDENE GROUP AS THE SOLE ALIPHATE CARBON TO CARBON LINKAGE POLYMERIZABLY REACTIVE UNSATURATED GROUP POLYMERIZED WHILE IN INTIMATE CONTACT WITH 15 TO 35 PARTS BY WEIGHT OF A COPOLYMER OF 90 TO 50% BY WEIGHT OF BUTADINE AND 10 TO 50% BY WEIGHT OF STYRENE.
References Cited (Backward Citations)
US2745818A
Cited
US2755270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |