US3458637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions stabilized with tocopheramine antioxidants
Assignee: F Hoffmann La Roche AG
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Filing: 1964-12-14
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Granted: 1969-07-29
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang Schlegel
- 👤 Ulrich Schwieter
- 👤 Rudolf Tamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:26
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/06; A61K47/22; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/762; A23B2/771; A23K; A23K30/00; A61K31/00; A61K31/59; C; C07; C07D; C07D311/00; C07D311/02; C07D311/04; C07D311/58; C07D311/70; C09; C09K; C09K15/00; C09K15/04; C09K15/16; C11; C11B; C11B5/00; C11B5/0042; C11B5/005
Claims Analysis
Total Claims: 0
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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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |