US3277031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized compositions comprising a polyester of hydracrylic acid, and a cellulose ester
Assignee: Eastman Kodak Co
•
Filing: 1963-02-14
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Granted: 1966-10-04
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Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Valls Paule
- 👤 Soulas Robert
- 👤 Etienne Yves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:53
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/04; C08L1/00; C08L1/08; C08L1/10; C08L1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A PLASTICIZED COMPOSITION OF MATTER COMPRISING A MIXTURE OF A LOOER FATTY ACID ESTER OF CELLULOSE AND A POLYESTER OF HYDRACRYLIC ACID HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 10,000.
Claim 2
Dependent Claim
31 words
A PLASTICIZED COMPOSITION OF MATTER COMPRISING A MIXTURE OF A LOOER FATTY ACID ESTER OF CELLULOSE AND A POLYESTER OF HYDRACRYLIC ACID HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 10,000.
References Cited (Backward Citations)
US1995970A
Cited
US2721784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |