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US3189548A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyphenyl ethers containing an extreme pressure additive

Assignee: Monsanto Research Corp
•
Filing: 1963-04-30
•
Granted: 1965-06-15
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Expires: 1983-04-30
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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 08:27
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)

US2134505A Cited
US2367344A Cited
US3037015A Cited
US3036071A Cited

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

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