Patent US2675327A successfully refreshed from Google Patents.
US2675327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat stable plastic composition containing lower fatty acid ester of cellulose
Assignee: Eastman Kodak Co
•
Filing: 1949-11-15
•
Granted: 1954-04-13
•
Expires: 1969-11-15
Abstract
No abstract record available.
Inventors
- 👤 William M Gearhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:26
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
44 words
A STABLE SELF-EXTINGUISHING PLASTIC COMPOSITION COMPRISING 100 PARTS OF A LOWER FATTY ACID ESTER OF CELLULOSE, 20-70 PARTS OF PLASTICIZER OF WHICH 50-75% IS TRI-CHLORETHYL PHOSPHATE AND 5-20%, BASED ON THE TRIMONOCHLORETHYL PHOSPHATE OF A BIS GLYCIDYL ETHER OF A DI NON-ADJACENT HYDROXIDE BENZENE.
References Cited (Backward Citations)
US2467171A
Cited
US1067785A
Cited
GB475523A
Cited
US2330251A
Cited
US2453634A
Cited
US2417281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |