US2937088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diethylene glycol mixed esters
Assignee: Eastman Kodak Co
•
Filing: 1958-01-13
•
Granted: 1960-05-17
•
Expires: 1978-01-13
Abstract
No abstract record available.
Inventors
- 👤 Glen G Gray
- 👤 Orris D Hawks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:16
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A COMPOSITION COMPRISING GELATIN CONTAINING THEREIN 25-200%, BASED ON THE WEIGHT OF THE GELATIN, OF A DIETHYLENE GLYCOL MIXED ESTER COMPOSITION THE MAJOR PORTION OF WHICH HAS THE FORMULA:
Claim 2
Dependent Claim
29 words
A COMPOSITION COMPRISING GELATIN CONTAINING THEREIN 25-200%, BASED ON THE WEIGHT OF THE GELATIN, OF A DIETHYLENE GLYCOL MIXED ESTER COMPOSITION THE MAJOR PORTION OF WHICH HAS THE FORMULA:
References Cited (Backward Citations)
US2388164A
Cited
US2376005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |