Patent US3106477A successfully refreshed from Google Patents.
US3106477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sucrose ester of 2, 2, 4-trimethyl-3-oxovaleric acid as an extender
Assignee: Eastman Kodak Co
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Filing: 1960-12-14
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Granted: 1963-10-08
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Expires: 1980-12-14
Abstract
No abstract record available.
Inventors
- 👤 William E Wright
- 👤 Charles H Coney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:51
CPC Classifications
C; C07; C07H; C07H13/00; C07H13/02; C07H13/04; C08; C08L; C08L1/00; C08L1/08; C08L1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
AN ARTICLE COMPRISING A STRUCTURE HAVING THEREON A COATING ESSENTIALLY CONSISTING OF AN ORGANIC FILM FORMER AND 5-90% SUCROSE ESTER OF 2,2,4-TRIMETHYL-3-OXOVALERIC ACID, BASED ON THE WEIGHT OF THE FILM FORMER.
Claim 2
Dependent Claim
31 words
AN ARTICLE COMPRISING A STRUCTURE HAVING THEREON A COATING ESSENTIALLY CONSISTING OF AN ORGANIC FILM FORMER AND 5-90% SUCROSE ESTER OF 2,2,4-TRIMETHYL-3-OXOVALERIC ACID, BASED ON THE WEIGHT OF THE FILM FORMER.
References Cited (Backward Citations)
US2525786A
Cited
US2689799A
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US2744026A
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US2844483A
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US2925352A
Cited
US2931802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |