Patent US2502109A successfully refreshed from Google Patents.
US2502109A
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Stabilization of edible fats, oils, and foods containing fats and oils
Assignee: Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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Filing: 1948-12-04
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Granted: 1950-03-28
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Expires: 1968-12-04
Abstract
No abstract record available.
Inventors
- 👤 Frederik D Tollenaar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:29
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/767; A23B2/788; C; C11; C11B; C11B5/00; C11B5/0071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
PROCESS FOR PREVENTING THE AUTOXIDATION OF EDIBLE FATS, OILS, AND OF FOODSTUFFS CONTAINING EDIBLE FATS OR OILS, CHARACTERIZED IN THAT A SMALL PERCENTAGE OF AN ANTIOXIDANT TETRA ALKYLTHIURAM DISULPHIDE IS INCORPORATED AMOUNTING TO NOT MORE THAN .1% OF THE FAT OR OIL INVOLVED.
Claim 2
Dependent Claim
43 words
PROCESS FOR PREVENTING THE AUTOXIDATION OF EDIBLE FATS, OILS, AND OF FOODSTUFFS CONTAINING EDIBLE FATS OR OILS, CHARACTERIZED IN THAT A SMALL PERCENTAGE OF AN ANTIOXIDANT TETRA ALKYLTHIURAM DISULPHIDE IS INCORPORATED AMOUNTING TO NOT MORE THAN .1% OF THE FAT OR OIL INVOLVED.
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) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |