Patent US2941973A successfully refreshed from Google Patents.
US2941973A
Expired / Lapsed
US
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Modified hydrolyzed ethylene vinyl ester interpolymers
Assignee: EIDP Inc
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Filing: 1955-04-29
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Granted: 1960-06-21
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Expires: 1975-04-29
Abstract
No abstract record available.
Inventors
- 👤 Kumnick Miles Charles
- 👤 Watson Frederick Kingsbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:58
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/1055; B32B17/10761; B32B17/10788; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31645
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PLASTIC COMPOSITION COMPRISING AN 80-100% HYDROLYZED INTERPOLYMER OF ETHYLENE WITH A VINYL ESTER OF AN ORGANIC CARBOXYLIC ACID IN WHICH THE MOLAR RATIO OF THE ETHYLENE TO THE VINYL ESTER IS FROM 1.5/1 TO 5/1 CONTAINING FROM 20 TO 40% BY WEIGHT OF THE TOTAL COMPOSITION OF AN ACIDIC HYDROGEN CONTAINING COMPOUND OF THE CLASS CONSISTING OF ALKYL ACID ORTHO-PHOSPHATES, ALKYL ACID ORTHOPHOSPHITES AND BENZENE PHOSPHINIC ACID, WHEREIN THE HYDROCARBON RADICALS CONTAIN AT LEAST 3 AND NOT MORE THAN 12 CARBON ATOMS.
Claim 2
Dependent Claim
83 words
A PLASTIC COMPOSITION COMPRISING AN 80-100% HYDROLYZED INTERPOLYMER OF ETHYLENE WITH A VINYL ESTER OF AN ORGANIC CARBOXYLIC ACID IN WHICH THE MOLAR RATIO OF THE ETHYLENE TO THE VINYL ESTER IS FROM 1.5/1 TO 5/1 CONTAINING FROM 20 TO 40% BY WEIGHT OF THE TOTAL COMPOSITION OF AN ACIDIC HYDROGEN CONTAINING COMPOUND OF THE CLASS CONSISTING OF ALKYL ACID ORTHO-PHOSPHATES, ALKYL ACID ORTHOPHOSPHITES AND BENZENE PHOSPHINIC ACID, WHEREIN THE HYDROCARBON RADICALS CONTAIN AT LEAST 3 AND NOT MORE THAN 12 CARBON ATOMS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |