Patent US3357948A successfully refreshed from Google Patents.
US3357948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenolic compound having antioxidant properties
Assignee: FMC Corp
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Filing: 1964-07-15
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Granted: 1967-12-12
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Expires: 1984-07-15
Abstract
No abstract record available.
Inventors
- 👤 Hans H Stockmann
- 👤 Jr Horace W Blakeslee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:35
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A COMPOSITION COMPRISING A RESINOUS POLYMER OF AN ALPHA-MONO-OLEFIN HAVING FROM 2 TO 8 CARBON ATOMS, AND AN ANTIOXIDANT AMOUNT OF 2,6-DI(3A,4,5,6,7,7A-HEXAHYDRO4,7-METHANOINDANYL)-PARA-CRESOL.
Claim 2
Dependent Claim
22 words
A COMPOSITION COMPRISING A RESINOUS POLYMER OF AN ALPHA-MONO-OLEFIN HAVING FROM 2 TO 8 CARBON ATOMS, AND AN ANTIOXIDANT AMOUNT OF 2,6-DI(3A,4,5,6,7,7A-HEXAHYDRO4,7-METHANOINDANYL)-PARA-CRESOL.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |