US3741909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antioxidant composition to stabilize organic materials
Assignee: Lion Fat and Oil Co Ltd
•
Filing: 1971-05-04
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Granted: 1973-06-26
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Expires: 1991-05-04
Abstract
Abstract A STABLE ORGANIC MATERIAL COMPOSITION PREPARED BY MIXING A COMPOUND EXPRESSED BY THE GENERAL FORMULA: (R-S-X-COO)N-M (WHEREIN R REPRESENTS HYDROCARBON RADICAL HAVING 6-22 CARBON ATOMS, X REPRESENTS A LOWER ALKYLENE RADICAL HAVING 1-5 CARBON ATOMS, M REPRESENTS NON-ALKYLENE RADICAL HAVN REPRESENTS AN INTEGER RANGING FROM 1 TO 5), ALONG WITH A PHENOL-TYPE ANTIXIDANT OR AMINE-TYPE ANTIOXIDANT, WITH SUCH AN ORGANIC MATERIAL AS SYNTHETIC RESIN, RUBBERLIKE SUBSTANCE, VARIOUS OILS, ETC.
Inventors
- 👤 M Takai
- 👤 I Yamane
- 👤 M Nagayama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:21
CPC Classifications
C; C09; C09K; C09K15/00; C09K15/04; C09K15/12; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/372
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) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |