US2997490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing fatty esters
Assignee: Procter and Gamble Co
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Filing: 1959-05-08
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Granted: 1961-08-22
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Expires: 1979-05-08
Abstract
No abstract record available.
Inventors
- 👤 Wilson F Huber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:32
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/03; C11; C11C; C11C3/00; C11C3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS FOR PREPARING PARTIAL FATTY ESTERS OF INOSITOL WHICH COMPRISES REACTING INOSITOL WITH A FATTY ACID ESTER SELECTED FROM THE GROUP CONSISTING OF THE FATTY ACID ESTERS OF ALIPHATIC PRIMARY MONO-HYDROXY ALCOHOLS HAVING FROM 1 TO ABOUT 8 CARBON ATOMS AND FATTY ACID ESTERS OF POLYHYDRIC ALCOHOLS HAVING NOT MORE THAN 3 CARBON ATOMS IN THE PRESENCE OF AN INTERESTERIFICATION CATALYST AT A TEMPERATURE OF FROM ABOUT 50*C. TO ABOUT 150*C. AND IN THE PRESENCE OF DIMETHYLSULFOXIDE.
Claim 2
Dependent Claim
78 words
A PROCESS FOR PREPARING PARTIAL FATTY ESTERS OF INOSITOL WHICH COMPRISES REACTING INOSITOL WITH A FATTY ACID ESTER SELECTED FROM THE GROUP CONSISTING OF THE FATTY ACID ESTERS OF ALIPHATIC PRIMARY MONO-HYDROXY ALCOHOLS HAVING FROM 1 TO ABOUT 8 CARBON ATOMS AND FATTY ACID ESTERS OF POLYHYDRIC ALCOHOLS HAVING NOT MORE THAN 3 CARBON ATOMS IN THE PRESENCE OF AN INTERESTERIFICATION CATALYST AT A TEMPERATURE OF FROM ABOUT 50*C. TO ABOUT 150*C. AND IN THE PRESENCE OF DIMETHYLSULFOXIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |