Patent US2442097A successfully refreshed from Google Patents.
US3000747A
Expired / Lapsed
US
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Ester of 2,2 dimethyl-hydracrylic acid, 3 hydroxy 2,2 dimethylpropyl ester and resinous materials plasticized therewith
Assignee: Eastman Kodak Co
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Filing: 1958-03-14
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Granted: 1961-09-19
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Expires: 1978-03-14
Abstract
No abstract record available.
Inventors
- 👤 James C Martin
- 👤 Kent C Brannock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:06
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07C; C07C69/00; C07C69/66; C07C69/67; C10M2207/00; C10M2207/28; C10M2207/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A PLASTIC COMPOSITION COMPRISING A RESINOUS MATERIAL SELECTED FROM THE CLASS CONSISTING OF CELLULOSE ESTERS OF FATTY ACIDS HAVING 2 TO 4 CARBON ATOMS AND POLYVINYL CHLORIDE, SAID RESINOUS MATERIAL BEING PLASTICIZED WITH AN ESTER HAVING THE FORMULA
Claim 2
Dependent Claim
38 words
A PLASTIC COMPOSITION COMPRISING A RESINOUS MATERIAL SELECTED FROM THE CLASS CONSISTING OF CELLULOSE ESTERS OF FATTY ACIDS HAVING 2 TO 4 CARBON ATOMS AND POLYVINYL CHLORIDE, SAID RESINOUS MATERIAL BEING PLASTICIZED WITH AN ESTER HAVING THE FORMULA
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |