Patent US2782944A successfully refreshed from Google Patents.
Patent US3189548A successfully refreshed from Google Patents.
US3189548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyphenyl ethers containing an extreme pressure additive
Assignee: Monsanto Research Corp
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Filing: 1963-04-30
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Granted: 1965-06-15
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Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Glenn R Wilson
- 👤 John R Stemniski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:59
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/02; C10M133/16; C10M105/00; C10M105/08; C10M111/00; C10M111/04; C10M133/04; C10M133/12; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2207/00; C10M2207/04; C10M2207/08; C10M2207/09; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/109; C10M2209/11; C10M2209/112; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/044; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/067; C10M2215/068; C10M2215/08; C10M2215/082; C10M2215/14; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/06; C10M2223/061; C10M2227/00; C10M2227/02; C10M2227/04; C10M2227/08; C10M2227/081; C10M2227/09; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10N; C10N2010/00; C10N2010/10; C10N2010/14; C10N2030/00; C10N2030/08; C10N2030/32; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A COMPOSITION CONSISTING ESSENTIALLY OF (1) A MAJOR AMOUNT OF A BASE OIL OF LUBRICATING VISCOSITY WHICH REMAINS IN THE LIQUID PHASE UP TO AT LEAST ABOUT 500*F., AND (2) A DIAMINODICHLOROBENZOQUINONE HAVING AN AROMATIC RADICAL ATTACHED TO EACH OF THE AMINO NITROGEN ATOMS SELECTED FROM THE CLASS CONSISTNG OF ARYL AND ARYLCARBONYL RADICALS, IN AN AMOUNT SUFFICIENT TO IMPROVE THE EXTREME PRESSURE AND ANTI-WEAR CHARACTERISTICS OF SAID BASE OIL.
Claim 2
Dependent Claim
70 words
A COMPOSITION CONSISTING ESSENTIALLY OF (1) A MAJOR AMOUNT OF A BASE OIL OF LUBRICATING VISCOSITY WHICH REMAINS IN THE LIQUID PHASE UP TO AT LEAST ABOUT 500*F., AND (2) A DIAMINODICHLOROBENZOQUINONE HAVING AN AROMATIC RADICAL ATTACHED TO EACH OF THE AMINO NITROGEN ATOMS SELECTED FROM THE CLASS CONSISTNG OF ARYL AND ARYLCARBONYL RADICALS, IN AN AMOUNT SUFFICIENT TO IMPROVE THE EXTREME PRESSURE AND ANTI-WEAR CHARACTERISTICS OF SAID BASE OIL.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |