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US3926820A Expired / Lapsed US ⏱️ 0.0 years remaining

Grease compositions

Assignee: Mobil Oil AS
•
Filing: 1974-09-23
•
Granted: 1975-12-16
•
Expires: 1994-09-23
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Abstract

Abstract Grease compositions are provided comprising a major proportion of an oil of lubricating viscosity and a thickening amount of a salt of a C-alkyl or alkenyl succinimidoarylsulfonic acid having from about 14 to about 30 carbon atoms in the alkyl or alkenyl group.

Inventors

  • 👤 Jr Joseph J Dickert
  • 👤 El-Ahmadi I Heiba

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 08:23
CPC Classifications
C; C10; C10M; C10M115/00; C10M115/10; C10M2201/00; C10M2201/06; C10M2201/065; C10M2201/066; C10M2201/10; C10M2201/105; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/028; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2211/00; C10M2211/02; C10M2213/00; C10M2213/04; C10M2213/06; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/10; C10M2215/102; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2227/00; C10M2227/02; C10M2227/04; C10M2227/08; C10M2227/081; C10M2229/00; C10M2229/04; C10M2229/05; C10M2229/051; C10N; C10N2010/00; C10N2010/02; C10N2010/04

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 42 words
A GREASE COMPOSITION COMPRISING A KAJOR PROPORTION OF AN OIL OF LUBRICATING VISCOSITY AND A THICKENING AMOUNT OF A SALT OF A C-ALKYL OR ALKENYL SUCCINIMIDOARYLSULFONIC ACID HAVING FROM ABOUT 14 TO ABOUT 30 CARBON ATOMS IN THE ALKYL OR ALKENYL GROUP.
Claim 2
Dependent Claim 42 words
A GREASE COMPOSITION COMPRISING A KAJOR PROPORTION OF AN OIL OF LUBRICATING VISCOSITY AND A THICKENING AMOUNT OF A SALT OF A C-ALKYL OR ALKENYL SUCCINIMIDOARYLSULFONIC ACID HAVING FROM ABOUT 14 TO ABOUT 30 CARBON ATOMS IN THE ALKYL OR ALKENYL GROUP.
Claim 3
Dependent Claim 18 words
A grease composition as defined in claim 1 wherein said acid is a C-alkyl or alkenyl succinimidobenzenesulfonic acid.
Claim 4
Dependent Claim 18 words
A grease composition as defined in claim 1 wherein said acid is a C-alkyl or alkenyl succinimidonaphthalenesulfonic acid.
Claim 5
Dependent Claim 18 words
A grease composition as defined in claim 1 wherein said salt is the sodium-lithium salt of C-n-octadecylsuccinimidonaphthalenedisulfonic acid.
Claim 6
Dependent Claim 18 words
A grease composition as defined in claim 1 wherein said salt is the sodium-calcium salt of C-n-octadecylsuccinimidohydroxybenzenesulfonic acid.
Claim 7
Dependent Claim 18 words
A grease composition as defined in claim 1 wherein said salt is the triethylamine-sodium salt of C-n-docosenylsuccinimidonaphthalenesulfonic acid.
Claim 8
Dependent Claim 18 words
A grease composition as defined in claim 1 wherein said salt is the sodium salt of C-n-docosenylsuccinimidohydroxybenzenesulfonic acid.
Claim 9
Dependent Claim 18 words
A grease composition as defined in claim 1 wherein said salt is the lithium salt of C-n-docosenylsuccinimidohydroxybenzenesulfonic acid.
Claim 10
Dependent Claim 18 words
A grease composition as defined in claim 1 wherein the oil lubricating viscosity is a mineral lubricating oil.
Claim 11
Dependent Claim 19 words
A grease composition as defined in claim 1 wherein the oil of lubricating viscosity is a synthetic lubricating oil.
Claim 12
Dependent Claim 30 words
A grease composition as defined in claim 1 wherein the oil of lubricating viscosity has a viscosity range from about 45 SSU at 100*F. to about 6,000 SSU at 100F.
Claim 13
Dependent Claim 30 words
A grease composition as defined in claim 1 wherein the oil of lubricating viscosity has a viscosity range from about 50 SSU at 210*F. to about 250 SSU at 210*F.

References Cited (Backward Citations)

US3219666A Cited
US3189544A Cited
US3725434A Cited
US3401117A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-12-15 1979-06-16 1979-12-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-12-15 1983-06-16 1983-12-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-12-15 1987-06-16 1987-12-16 $7700.00 Window Closed / Lapsed

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