US3034898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixed partial ester compositions
Assignee: Eastman Kodak Co
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Filing: 1960-12-09
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Granted: 1962-05-15
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Expires: 1980-12-09
Abstract
No abstract record available.
Inventors
- 👤 Noel H Kuhrt
- 👤 Russell A Broxholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:37
CPC Classifications
A; A23; A23D; A23D9/00; A23D9/007; A23D9/013; A23D7/00; A23D7/01; A23D7/011; C; C11; C11C; C11C3/00; C11C3/04; C11C3/06; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
THE PROCESS WHICH COMPRISES PROVIDING A PARTIAL ESTER COMPOSITION IN THE MOLTEN STATE COMPRISED PREDOMINATELY OF FATTY ACID MONOESTERS OF GLYCEROL AND FATTY ACID MONOESTERS OF 1,2-PROPANEDIOL, SAID PARTIAL ESTER COMPOSITION CONTAINING 35 TO 60 MOLE PERCENT OF SAID MONOESTERS OF GLYCEROL AND 40 TO 65MOLE PERCENT OF SAID MONOESTERS OF 1,2-PROPANEDIOL, AND THEREAFTER RAPIDLY COOLING SAID MOLTEN PARTIAL ESTER COMPOSITION TO CONDURRENTLY SOLIDIFY SAID MONOESTERS AND FORMING A SOLID PARTIAL ESTER COMPOSITION WHEREIN A SUBSTANITAL PORTION OF SAID MONOESTERS OF GYLCEROL ARE IN A NORMALLY UNSTABLE POLYMORPHIC CRYSTALLINE FORM, THE FATTY ACID MOIETIES OF SAID MONOESTERS CONSISTING ESSENTIALLY OF SATURATED FATTY ACIDS HAVING 16 TO 20 CARBON ATOMS, AT LEAST ABOUT 75 MOLE PERCENT OF THE FATTY MOIETIES OF SAID MONOESTERS OF GLYCEROL BEING THE SAME AS THE FATTY ACID MOIETIES OF SAID MONOESTERS OF 1,2-PROPANEDIOL, AND LESS THAN ABOUT 5 MOLE PERCENT OF THE FATTY ACID MOITIES COMPRISING SAID PARTIAL ESTER COMPOSITION BEING UNSATURATED FATTY ACID MOIETIES.
Claim 2
Dependent Claim
159 words
THE PROCESS WHICH COMPRISES PROVIDING A PARTIAL ESTER COMPOSITION IN THE MOLTEN STATE COMPRISED PREDOMINATELY OF FATTY ACID MONOESTERS OF GLYCEROL AND FATTY ACID MONOESTERS OF 1,2-PROPANEDIOL, SAID PARTIAL ESTER COMPOSITION CONTAINING 35 TO 60 MOLE PERCENT OF SAID MONOESTERS OF GLYCEROL AND 40 TO 65MOLE PERCENT OF SAID MONOESTERS OF 1,2-PROPANEDIOL, AND THEREAFTER RAPIDLY COOLING SAID MOLTEN PARTIAL ESTER COMPOSITION TO CONDURRENTLY SOLIDIFY SAID MONOESTERS AND FORMING A SOLID PARTIAL ESTER COMPOSITION WHEREIN A SUBSTANITAL PORTION OF SAID MONOESTERS OF GYLCEROL ARE IN A NORMALLY UNSTABLE POLYMORPHIC CRYSTALLINE FORM, THE FATTY ACID MOIETIES OF SAID MONOESTERS CONSISTING ESSENTIALLY OF SATURATED FATTY ACIDS HAVING 16 TO 20 CARBON ATOMS, AT LEAST ABOUT 75 MOLE PERCENT OF THE FATTY MOIETIES OF SAID MONOESTERS OF GLYCEROL BEING THE SAME AS THE FATTY ACID MOIETIES OF SAID MONOESTERS OF 1,2-PROPANEDIOL, AND LESS THAN ABOUT 5 MOLE PERCENT OF THE FATTY ACID MOITIES COMPRISING SAID PARTIAL ESTER COMPOSITION BEING UNSATURATED FATTY ACID MOIETIES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |