US3301919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blend of particulated polyvinyl chloride, and a terpolymer of methyl methacrylate, ethyl acrylate, and glycidyl acrylate
Assignee: Rohm and Haas Co
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Filing: 1964-04-21
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Granted: 1967-01-31
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Expires: 1984-04-21
Abstract
No abstract record available.
Inventors
- 👤 Cenci Harry Joseph
- 👤 Souder Louis Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:27
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/14; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08F220/26; C08F220/32; C08F220/325; C08L33/00; C08L33/04; C08L33/06; C08L33/062; C08L33/068
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
AN EXTRUDABLE, MILLABLE BLEND OF PARTICULATED POLYVINYL CHLORIDE AND 0.5-25% BY WEIGHT BASED ON THE WIEGHT OF THE POLYVINYL CHLORIDE OF A NON-CROSSLINKED COPOLYMER COMPRISING METHYL METHACRYLATE, ETHYL ACRYLATE, AND GLYCIDYL METHACRYLATE WHEREIN THE PERCENTAGE BY WIEGHT OF METHYL METHACRYLATE, ETHYL ACRYLATE AND GLUYCIDYL METHACRYLATE IS IN THE RANGE OF 98.5 TO 20, 0.5 TO 40, AND 1 TO 40, RESPECTIVELY, AND WHEREIN AT LEAST 90% OF THEORETICAL EPOXY GROUP IS INTACT, AND SAID COPOLYMER HAVING A MOLUCULAR WEIGHT IN THE RANGE OF 150,000 TO 2,000,000.
Claim 2
Dependent Claim
86 words
AN EXTRUDABLE, MILLABLE BLEND OF PARTICULATED POLYVINYL CHLORIDE AND 0.5-25% BY WEIGHT BASED ON THE WIEGHT OF THE POLYVINYL CHLORIDE OF A NON-CROSSLINKED COPOLYMER COMPRISING METHYL METHACRYLATE, ETHYL ACRYLATE, AND GLYCIDYL METHACRYLATE WHEREIN THE PERCENTAGE BY WIEGHT OF METHYL METHACRYLATE, ETHYL ACRYLATE AND GLUYCIDYL METHACRYLATE IS IN THE RANGE OF 98.5 TO 20, 0.5 TO 40, AND 1 TO 40, RESPECTIVELY, AND WHEREIN AT LEAST 90% OF THEORETICAL EPOXY GROUP IS INTACT, AND SAID COPOLYMER HAVING A MOLUCULAR WEIGHT IN THE RANGE OF 150,000 TO 2,000,000.
References Cited (Backward Citations)
US3201497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |