Patent US3637772A successfully refreshed from Google Patents.
US3637772A
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US
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Antioxidant compositions
Assignee: F Hoffmann La Roche AG
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Filing: 1968-10-14
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Granted: 1972-01-25
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Expires: 1988-10-14
Abstract
Abstract ANTIOXIDANT COMPOSITIONS CONTAINING A MISTURE OF COLAMINE AND/OR A HIGHER FATTY ACID SALT THEREOF AND A HIGHER FATTY ACID ESTER OF ASCORBIC ACID ARE DISCLOSED.
Inventors
- 👤 Heinrich Klaui
- 👤 Wolfgang Schlegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:33
CPC Classifications
C; C07; C07C; C07C403/00; C07C403/24; A; A61; A61K; A61K31/00; A61K31/59; C07C403/06; C07C403/12; C09; C09K; C09K15/00; C09K15/04; C09K15/20; C09K15/24; C09K15/28; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; C11B5/0092; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 0
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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) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |