Patent US3211652A successfully refreshed from Google Patents.
US3211652A
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Phenolic compositions
Assignee: Ethyl Corp
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Filing: 1962-12-03
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Granted: 1965-10-12
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Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 James B Hinkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:36
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07C; C07C37/00; C07C37/11; C07C37/115; C07C37/20; C09; C09K; C09K15/00; C09K15/04; C09K15/06; C09K15/08; C10L; C10L1/00; C10L1/10; C10L1/103; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/04; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/10; C10M2207/16; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/101; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/109; C10M2211/00; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/08; C10M2215/082; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/028; C10M2217/04; C10M2217/06; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2227/00; C10M2227/08; C10M2227/082; C10M2227/083; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/08; C10N2040/00; C10N2040/08; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/10; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PHENOLIC COMPOSITION COMPRISING A MAJOR AMOUNT OF A MIXTURE OF METHYLENEBIS PHENOLS, SAID MIXTURE COMPRISING (1) A SUBSTANTIAL AMOUNT OF 4,4'' METHYLENEBIS(2,6DI-TERT-BUTYLPHENOL) AND (2) A SUBSTANTIAL AMOUNT OF AT LEAST ONE ASYMMETRIC METHYLENEBIS PHENOL SELECTED FROM (3,5-DI-TERT-BUTYL - 4-HYDROXYPHENYL) - (3-TERT-BUTYL-4-HYDROXYPHENYL) - METHANE AND (3,5-DI-TERT-BUTYL-4-HYDROXYPHENYL)-(3-TERT-BUTYL-2-HYDROXYPHENYL) METHANE.
Claim 2
Dependent Claim
34 words
THE LUBRICATING OIL CONTAINING FROM 0.001 TO ABOUT 5 PERCENT BY WEIGHT OF THE PHENOLIC COMPOSITION OF CLAIM 3 AND FROM 0.01 TO ABOUT 2 PERCENT BY WEIGHT OF A PHOSPHONATE HAVING THE FORMULA:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |