Patent US3082228A successfully refreshed from Google Patents.
US3082228A
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Method for producing monoesters of polyunsaturated fatty acids
Assignee: Escambia Chemical Corp
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Filing: 1960-11-04
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Granted: 1963-03-19
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Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Leslie H Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:10
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/04; C07; C07C; C07C67/00; C07C67/03; C11C1/00; C11C1/08; C11C1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A PROCESS FOR PRODUCING A PRODUCT COMPRISING AT LEAST 60 PERCENT OF MONO ESTERS OF POLYUNSATURATED FATTY ACIDS HAVING AT LEAST 20 CARBON ATOMS WHICH COMPRISES SUBJECTING A MIXTURE CONSISTING ESSENTIALLY OF MONO ESTERS SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL ESTERS AND MONOGLYCERIDES OF SUBSTANTIALLY UNCONJUGATED FATTY ACIDS FROM NATURAL GLYCERIDE OILS TO DISTILLATION IN A SHORTPATH MOLECULAR STILL UNDER A VACUUM AT LEAST AS HIGH AS ONE MILLIMETER OF MERCURY AT A TEMPERATURE BELOW 100* C. TO PRODUCE THE SAID FRACTION OF MONO ESTERS OF POLYUNSATURATED ACIDS OF AT LEAST 20 CARBON ATOMS.
Claim 2
Dependent Claim
96 words
A PROCESS FOR PRODUCING A PRODUCT COMPRISING AT LEAST 60 PERCENT OF MONO ESTERS OF POLYUNSATURATED FATTY ACIDS HAVING AT LEAST 20 CARBON ATOMS WHICH COMPRISES SUBJECTING A MIXTURE CONSISTING ESSENTIALLY OF MONO ESTERS SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL ESTERS AND MONOGLYCERIDES OF SUBSTANTIALLY UNCONJUGATED FATTY ACIDS FROM NATURAL GLYCERIDE OILS TO DISTILLATION IN A SHORTPATH MOLECULAR STILL UNDER A VACUUM AT LEAST AS HIGH AS ONE MILLIMETER OF MERCURY AT A TEMPERATURE BELOW 100* C. TO PRODUCE THE SAID FRACTION OF MONO ESTERS OF POLYUNSATURATED ACIDS OF AT LEAST 20 CARBON ATOMS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |