Patent US2681283A successfully refreshed from Google Patents.
US2681283A
Expired / Lapsed
US
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Stabilized fatty compositions and stabilizers therefor
Assignee: Eastman Kodak Co
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Filing: 1952-01-15
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Granted: 1954-06-15
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Expires: 1972-01-15
Abstract
No abstract record available.
Inventors
- 👤 Noel H Kuhrt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:07
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A FATTY COMPOSITION CONSISTING PREDOMINANTLY OF FATTY MATERIAL NORMALLY SUBJECT TO OXIDATION AND HAVING ADMIXED THEREWITH A SOLUTION OF GLYCINE AND PHOSPHORIC ACID IN A POLYALKYLENE OXIDE DERIVATIVE OF A FATTY ACID PARTIAL ESTER OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF POLYHYDRIC ALCOHOLS AND THEIR ANHYDRIDES.
Claim 2
Dependent Claim
48 words
A FATTY COMPOSITION CONSISTING PREDOMINANTLY OF FATTY MATERIAL NORMALLY SUBJECT TO OXIDATION AND HAVING ADMIXED THEREWITH A SOLUTION OF GLYCINE AND PHOSPHORIC ACID IN A POLYALKYLENE OXIDE DERIVATIVE OF A FATTY ACID PARTIAL ESTER OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF POLYHYDRIC ALCOHOLS AND THEIR ANHYDRIDES.
References Cited (Backward Citations)
US2511804A
Cited
US2535910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |