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US3185644A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricating compositions containing amine salts of boron-containing compounds

Assignee: Texaco Inc
•
Filing: 1961-01-17
•
Granted: 1965-05-25
•
Expires: 1981-01-17
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Abstract

No abstract record available.

Inventors

  • 👤 Edwin C Knowles
  • 👤 Edward L Kay

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 07:56
CPC Classifications
C; C10; C10M; C10M139/00; C07; C07F; C07F5/00; C07F5/02; C07F5/04; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/30; C10M2207/304; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/11; C10M2209/111; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/08; C10M2219/082; C10M2219/084; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2227/00; C10M2227/06; C10M2227/061; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/05

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 31 words
A LUBRICATING OIL CONTAINING AN AMINE SALT OF A TETRACOVALENT BORON ACID IN AN AMOUNT SUFFICIENT TO IMPROVE THE LOAD CARRYING PROPERTIES THEREOF, SAID AMINE SALT HAVING THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim 31 words
A LUBRICATING OIL CONTAINING AN AMINE SALT OF A TETRACOVALENT BORON ACID IN AN AMOUNT SUFFICIENT TO IMPROVE THE LOAD CARRYING PROPERTIES THEREOF, SAID AMINE SALT HAVING THE FOLLOWING GENERAL FORMULA:

References Cited (Backward Citations)

US2312208A Cited
US2582191A Cited
US2629732A Cited
US2795547A Cited
US2795548A Cited
US2957840A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-05-24 1968-11-23 1969-05-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-05-24 1972-11-23 1973-05-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-05-24 1976-11-23 1977-05-25 $7700.00 Window Closed / Lapsed

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