Patent US3573936A successfully refreshed from Google Patents.
US3573936A
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Plicatic acid and thiodipropionic acid as antioxidants for use in animal fats and vegetable oils
Assignee: Rayonier Inc
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Filing: 1967-12-15
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Granted: 1971-04-06
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Expires: 1987-12-15
Abstract
Abstract A MIXTURE OF PLICATIC ACID AND THIODIPROPIONIC ACID EXHIBITS A SYNERGISTIC ANTIOXIDANT EFFECT WHEN ADDED TO ANIMAL FATS AND VEGETABLE OILS AND FOODSTUFFS CONTAINING THESE MATERIALS. THE PLICATIC ACID-THIODIPROPIONIC ACID ADDITIVE, WHICH COMPRISES SUBSTANTIALLY EQUAL AMOUNTS OF EACH OILS WHEN ADDED THERETO IN AMOUNTS APPROXIMATING 100 PARTS PER MILLION.
Inventors
- 👤 Arthur Karchmar
- 👤 Kevin L Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:05
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0092; A; A61; A61K; A61K36/00; A61K36/18; A61K36/185; A61K36/28; A61K36/286; C07; C07D; C07D307/00; C07D307/02; C07D307/26; C07D307/30; C07D307/32; C07D307/33
Claims Analysis
Total Claims: 0
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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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |