Patent US5151291A successfully refreshed from Google Patents.
US5151291A
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Glycerides of eicosapentaenoic acid, processes for preparing the same and oil and fat products containing the same
Assignee: Tsukishima Foods Industry Co Ltd
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Filing: 1990-01-16
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Granted: 1992-09-29
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Expires: 2010-01-16
Abstract
Abstract Glycerides of eicosapentaenoic acid (EPA) and other higher fatty acids, which contain high levels of EPA and docosahexaenoic acid. These glycerides are incorporated in oils and fats products such as margarine, shortening, mayonnaise, butter, dressing or edible oil.
Inventors
- 👤 Shigeru Tokairin
- 👤 Tetsuo Nishimaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:22
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/04; C11C3/10; A; A23; A23D; A23D7/00; A23D7/001; A23D7/003; A23D9/00; A23L; A23L33/00; A23L33/10; A23L33/115; A23L33/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
88 words
A product selected from the group consisting of margarine, shortening, mayonnaise, butter, dressing and edible oil, which comprises a glyceride of eicosapentaenoic acid represented by the formula ##STR3## wherein R1, R2 and R3, which are the same or different, each represent eicosapentaenoyl group or an acyl radical of higher fatty acids other than eicosapentaenoic acid, provided that either one of R 1 , R 2 and R 3 represents eicosapentaenoyl group and the remaining groups are all an acyl radical of higher fatty acids other that eicosapentaenoic acid.
Claim 2
Dependent Claim
88 words
A product selected from the group consisting of margarine, shortening, mayonnaise, butter, dressing and edible oil, which comprises a glyceride of eicosapentaenoic acid represented by the formula ##STR3## wherein R1, R2 and R3, which are the same or different, each represent eicosapentaenoyl group or an acyl radical of higher fatty acids other than eicosapentaenoic acid, provided that either one of R 1 , R 2 and R 3 represents eicosapentaenoyl group and the remaining groups are all an acyl radical of higher fatty acids other that eicosapentaenoic acid.
Claim 3
Dependent Claim
15 words
The product of claim 1 which further comprises a lower alkyl ester of eicosapentaenoic acid.
Claim 4
Dependent Claim
23 words
A product selected from the group consisting of margarine, shortening, mayonnaise, butter, dressing and edible oil which comprises a triglyceride of docosahexaenoic acid.
Claim 5
Dependent Claim
23 words
A product selected from the group consisting of margarine, shortening, mayonnaise, butter, dressing and edible oil which comprises a triglyceride of docosahexaenoic acid.
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) | 1995-09-29 | 1996-03-30 | 1996-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-09-29 | 2000-03-30 | 2000-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-09-29 | 2004-03-30 | 2004-09-29 | $7700.00 | Window Closed / Lapsed |