Patent US3043775A successfully refreshed from Google Patents.
US3043775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic material containing a 4, 4'-methylenebis phenol
Assignee: Individual
•
Filing: 1959-07-24
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Granted: 1962-07-10
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Expires: 1979-07-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Coffield
- 👤 Allen H Filbey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:31
CPC Classifications
C; C09; C09K; C09K15/00; C09K15/04; C09K15/06; C09K15/08; C07; C07C; C07C37/00; C07C37/11; C07C37/20; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C10; C10M; C10M1/00; C10M1/08; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; C10M2203/00; C10M2203/06; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/04; C10M2205/22; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/024; C10M2207/025; C10M2207/027; C10M2207/028; C10M2207/04; C10M2207/046; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/16; C10M2207/22; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/288; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/086; C10M2219/087; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10M2223/045; C10M2223/06; C10M2223/061; C10M2223/10; C10M2223/12; C10M2225/00; C10M2225/04; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/04; C10N2010/06; 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
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
37 words
ORGANIC MATERIAL NORMALLY SUBJECTED TO OXIDATIVE DETERIORATION, CONTAINING AN ANTIOXIDANT QUANTITY OF A 4,4''METHYLENEBIS(2,6-DIALKYLPHENOL) IN WHICH ALL THE ALKYL GROUPS CONTAIN FROM 3-8 CARBON ATOMS, WHICH ALKYL GROUPS ARE ALL BRANCHED ON THEIR RESPECTIVE ALPHA CARBON ATOMS.
Claim 2
Dependent Claim
37 words
ORGANIC MATERIAL NORMALLY SUBJECTED TO OXIDATIVE DETERIORATION, CONTAINING AN ANTIOXIDANT QUANTITY OF A 4,4''METHYLENEBIS(2,6-DIALKYLPHENOL) IN WHICH ALL THE ALKYL GROUPS CONTAIN FROM 3-8 CARBON ATOMS, WHICH ALKYL GROUPS ARE ALL BRANCHED ON THEIR RESPECTIVE ALPHA CARBON ATOMS.
Claim 3
Dependent Claim
46 words
LUBRICATING OIL NORMALLY SUSCEPTIBLE TO OXIDATIVE DETERIORATION CONTAINING FROM ABOUT 0.001 TO ABOUT 2 PERCENT BY WEIGHT OF A 4.4'' METHYLENEBIS(2,6-DIALKYLPHENOL) IN WHICH ALL THE ALKYL GROUPS CONTAIN FROM 3 TO 8 CARBON ATOMS, WHICH ALKYL GROUPS ARE ALL BRANCHED ON THEIR RESPECTIVE ALPHA CARBON ATOMS.
Claim 4
Dependent Claim
46 words
LUBRICATING OIL NORMALLY SUSCEPTIBLE TO OXIDATIVE DETERIORATION CONTAINING FROM ABOUT 0.001 TO ABOUT 2 PERCENT BY WEIGHT OF A 4.4'' METHYLENEBIS(2,6-DIALKYLPHENOL) IN WHICH ALL THE ALKYL GROUPS CONTAIN FROM 3 TO 8 CARBON ATOMS, WHICH ALKYL GROUPS ARE ALL BRANCHED ON THEIR RESPECTIVE ALPHA CARBON ATOMS.
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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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |