US2673162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized lower fatty acid ester of cellulose
Assignee: Eastman Kodak Co
•
Filing: 1950-08-01
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Granted: 1954-03-23
•
Expires: 1970-08-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert F Williams
- 👤 Gordon D Hiatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:36
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0091; C08K5/04; C08K5/05; C08K5/057
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A COMPOSITION ESSENTIALLY CONSISTING OF A LOWER FATTY ACID ESTER OF CELLULOSE AND A PLASTICIZER WHICH COMPOSITION CONTAINS A STABILIZING AMOUNT OF AN ALUMINUM LOWER ALKOXIDE.
Claim 2
Dependent Claim
26 words
A COMPOSITION ESSENTIALLY CONSISTING OF A LOWER FATTY ACID ESTER OF CELLULOSE AND A PLASTICIZER WHICH COMPOSITION CONTAINS A STABILIZING AMOUNT OF AN ALUMINUM LOWER ALKOXIDE.
References Cited (Backward Citations)
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US2154822A
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US2241251A
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US2125961A
Cited
US2333577A
Cited
US2329705A
Cited
US2453634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |