Patent US2607745A successfully refreshed from Google Patents.
US2607745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition useful as an antioxidant for fats and oils
Assignee: Eastman Kodak Co
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Filing: 1949-05-05
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Granted: 1952-08-19
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Expires: 1969-05-05
Abstract
No abstract record available.
Inventors
- 👤 James E Magoffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:58
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0021; C11B5/0092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A CONCENTRATE CONTAINING PROPYLENE GLYCOL AND AT LEAST ONE ALKYLATED HYDROXYPHENYL ETHER SELECTED FROM THE GROUP CONSISTING OF THOSE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
25 words
A CONCENTRATE CONTAINING PROPYLENE GLYCOL AND AT LEAST ONE ALKYLATED HYDROXYPHENYL ETHER SELECTED FROM THE GROUP CONSISTING OF THOSE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
US2115040A
Cited
US2104084A
Cited
US2310710A
Cited
US2333657A
Cited
US2500543A
Cited
US2521856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |