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Lubricant compositions containing zirconyl soaps

Assignee: Mooney Chemical Inc
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Filing: 1978-05-22
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Granted: 1979-10-16
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Expires: 1998-05-22
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Abstract

Abstract Compositions useful as lubricants comprising a major proportion of an oleaginous liquid of lubricating viscosity and an additive mixture of (a) a zirconium salt of a carboxylic acid or mixture of carboxylic acids, and (b) at least one oil-soluble sulfur-containing extreme pressure agent containing up to about 25% combined sulfur Are described. Such compositions are useful as extreme pressure lubricants such as gear lubricants adapted for heavy duty service.

Inventors

  • 👤 Albert V. Collins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 05:59
CPC Classifications
C; C10; C10M; C10M141/00; C10M141/10; C10M129/00; C10M129/02; C10M129/26; C10M135/00; C10M135/02; C10M135/12; C10M135/14; C10M135/18; C10M135/20; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M141/08; C10M2203/00; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2205/028; C10M2205/04; C10M2205/22; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/025; C10M2207/026; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/18; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/108; C10M2209/11; C10M2209/111; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2211/08; C10M2213/00; C10M2213/04; C10M2213/06; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/086; C10M2219/087; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2223/06; C10M2223/065; C10M2223/12; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10N; C10N2010/00; C10N2010/04; C10N2010/08; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08; C10N2040/135; C10N2040/20; C10N2040/25; C10N2040/251; C10N2040/252; C10N2040/253; C10N2040/255; C10N2040/26; C10N2040/28; C10N2070/00; C10N2070/02

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 56 words
A lubricating composition comprising a major proportion of an oleaginous liquid of lubricating viscosity and a minor amount of an additive composition comprising a mixture of (a) a zirconium salt of a carboxylic acid or mixture of carboxylic acids, and (b) at least one oil-soluble sulfur-containing extreme pressure agent containing up to about 25% combined sulfur.
Claim 2
Dependent Claim 56 words
A lubricating composition comprising a major proportion of an oleaginous liquid of lubricating viscosity and a minor amount of an additive composition comprising a mixture of (a) a zirconium salt of a carboxylic acid or mixture of carboxylic acids, and (b) at least one oil-soluble sulfur-containing extreme pressure agent containing up to about 25% combined sulfur.
Claim 3
Dependent Claim 23 words
The lubricating composition of claim 1 wherein the sulfur-containing agent comprises one or more organic polysulfides, sulfurized oils, thiocarbamates, thiophosphates or mixtures thereof.
Claim 4
Dependent Claim 13 words
The lubricating composition of claim 2 wherein the thiocarbamate is a dialkyl dithiocarbamate.
Claim 5
Dependent Claim 12 words
The lubricating composition of claim 2 wherein the thiophosphates are dialkyl dithiophosphates.
Claim 6
Dependent Claim 32 words
The lubricating composition of claim 1 wherein the composition comprises from about one to 15% of the zirconium salt and from about one to about 10% by weight of the sulfur-containing agent.
Claim 7
Dependent Claim 13 words
The composition of claim 1 wherein the sulfur-containing agent also contains a halogen.
Claim 8
Dependent Claim 14 words
The composition of claim 2 wherein the organic polysulfides are aromatic or aliphatic disulfides.
Claim 9
Dependent Claim 12 words
The composition of claim 7 wherein the disulfide is an aromatic disulfide.
Claim 10
Dependent Claim 20 words
The composition of claim 2 wherein the sulfur-containing agent is a mixture of an aromatic disulfide and a dialkyl dithiocarbamate.
Claim 11
Dependent Claim 14 words
The lubricating composition of claim 1 wherein the oleaginous liquid is a mineral oil.
Claim 12
Dependent Claim 31 words
The lubricating composition of claim 1 wherein the additive agent is a mixture of a zirconium salt of a mixture of carboxylic acid, and a sulfurized ester of a fatty acid.
Claim 13
Dependent Claim 17 words
The composition of claim 11 wherein the carboxylic acids contain from about six to 12 carbon atoms.
Claim 14
Dependent Claim 67 words
A lubricating composition comprising a major amount of an oleaginous liquid of lubricating viscosity, from about one to about 15% by weight of an oil-soluble zirconium salt of a carboxylic acid or mixture of carboxylic acids containing six to 12 carbon atoms, and from about one to about 10% by weight of one or more oil-soluble sulfur-containing extreme pressure agents containing up to about 25% combined sulfur.
Claim 15
Dependent Claim 67 words
A lubricating composition comprising a major amount of an oleaginous liquid of lubricating viscosity, from about one to about 15% by weight of an oil-soluble zirconium salt of a carboxylic acid or mixture of carboxylic acids containing six to 12 carbon atoms, and from about one to about 10% by weight of one or more oil-soluble sulfur-containing extreme pressure agents containing up to about 25% combined sulfur.
Claim 16
Dependent Claim 26 words
The lubricating composition of claim 13 wherein the sulfur-containing agent is an organic polysulfide, a sulfurized oil, a dialky dithiocarbamate, a dialkyl dithiophosphate, or mixtures thereof.
Claim 17
Dependent Claim 14 words
The lubricating composition of claim 14 wherein the organic polysulfide is an aromatic disulfide.
Claim 18
Dependent Claim 18 words
The lubricating composition of claim 14 wherein the sulfurized oil is a sulfurized ester of a fatty acid.
Claim 19
Dependent Claim 35 words
The lubricating composition of claim 13 wherein the composition has a zirconium content of from about 0.2 to about 1.0% by weight and a sulfur content of from about 0.3% to about 2.2% by weight.
Claim 20
Dependent Claim 17 words
The composition of claim 13 wherein the oleaginous liquid is a mineral oil or a synthetic oil.
Claim 21
Dependent Claim 68 words
An additive concentrate composition comprising (a) from about five to about 90% by weight of an oil-soluble zirconium salt of a carboxylic acid or mixture of carboxylic acids, (b) from about five to about 90% by weight of an oil-soluble sulfur-containing extreme prssure agent containing up to about 25% by weight of combined sulfur, and (c) from about zero to about 48% by weight of an oleaginous liquid.
Claim 22
Dependent Claim 68 words
An additive concentrate composition comprising (a) from about five to about 90% by weight of an oil-soluble zirconium salt of a carboxylic acid or mixture of carboxylic acids, (b) from about five to about 90% by weight of an oil-soluble sulfur-containing extreme prssure agent containing up to about 25% by weight of combined sulfur, and (c) from about zero to about 48% by weight of an oleaginous liquid.
Claim 23
Dependent Claim 25 words
The additive composition of claim 19 wherein the zirconium salt is a salt of a monocarboxylic acid containing from about six to 12 carbon atoms.
Claim 24
Dependent Claim 25 words
The additive composition of claim 19 wherein the sulfur-containing agent comprises one or more organic polysulfides, sulfurized oils, dialkyl dithiocarbamates, dialkyl dithiophosphates, or mixtures thereof.
Claim 25
Dependent Claim 24 words
The additive composition of claim 19 wherein the mole ratio of the sulfur compound to zirconium compound is from about 1:6 to about 1:1.

References Cited (Backward Citations)

US2681922A Cited
US2802847A Cited
US3030320A Cited
US3017361A Cited
US3238130A Cited
US3318808A Cited
US3513094A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-10-15 1983-04-16 1983-10-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-10-15 1987-04-16 1987-10-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-10-15 1991-04-16 1991-10-16 $7700.00 Window Closed / Lapsed

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