GB652754A - Silicone greases and method of preparation - Google Patents

Silicone greases and method of preparation

Info

Publication number
GB652754A
GB652754A GB5604/48A GB560448A GB652754A GB 652754 A GB652754 A GB 652754A GB 5604/48 A GB5604/48 A GB 5604/48A GB 560448 A GB560448 A GB 560448A GB 652754 A GB652754 A GB 652754A
Authority
GB
United Kingdom
Prior art keywords
silicone
phenyl
dimethyl
silicones
mixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5604/48A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Silicones Corp
Original Assignee
Dow Corning Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Corning Corp filed Critical Dow Corning Corp
Publication of GB652754A publication Critical patent/GB652754A/en
Expired legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/02Mixtures of base-materials and thickeners
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/026Butene
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/129Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more carbon atoms
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/14Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/14Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/142Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings polycarboxylic
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/16Naphthenic acids
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064Di- and triaryl amines
    • C10M2215/065Phenyl-Naphthyl amines
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/26Amines
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04Siloxanes with specific structure
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04Siloxanes with specific structure
    • C10M2229/041Siloxanes with specific structure containing aliphatic substituents
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04Siloxanes with specific structure
    • C10M2229/042Siloxanes with specific structure containing aromatic substituents
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04Siloxanes with specific structure
    • C10M2229/043Siloxanes with specific structure containing carbon-to-carbon double bonds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04Siloxanes with specific structure
    • C10M2229/044Siloxanes with specific structure containing silicon-to-hydrogen bonds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00Metal present as such or in compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00Metal present as such or in compounds
    • C10N2010/02Groups 1 or 11
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00Metal present as such or in compounds
    • C10N2010/04Groups 2 or 12
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00Metal present as such or in compounds
    • C10N2010/06Groups 3 or 13
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01Physico-chemical properties
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/08Resistance to extreme temperature
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/12Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/02Bearings
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/12Gas-turbines
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/12Gas-turbines
    • C10N2040/13Aircraft turbines
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10Semi-solids; greasy
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2070/00Specific manufacturing methods for lubricant compositions

Abstract

A lubricating grease consists of an organo-silicon polymer and less than 30 per cent of lithium salt of a fatty acid with at least 8 carbon atoms in the molecule. The lithium soap may be dispersed in a relatively low-boiling (e.g. 300-40 DEG F.) petroleum fraction, mixed with a liquid silicone, the mixture heated until homogeneous and the petroleum solvent then removed by evaporation. When using relatively very low-boiling petroleum solvent, e.g. petroleum ether, pressure may be necessary to attain the solvation temperature of the soap. The silicone may have the formula <FORM:0652754/IV (a)/1> R1, R2, R3, R4 and R5 being the same or different alkyl, aryl, alkaryl or aralkyl radicals and n a whole number greater than 1. Examples are dimethyl, diethyl, ethyl methyl, diphenyl, ditolyl, phenyl tolyl, methyl phenyl and ethyl phenyl silicones. Other suitable compounds are described in Specifications 583,875, 583,878 and 585,400. Small amounts of other ingredients, e.g. corrosion and oxidation inhibitors may be added to the grease, e.g. aryl fatty acids or soaps thereof, naphthenic acid or naphthenates, aliphatic amines, or metallic soaps such as zinc myristate. All the examples use lithium stearate which is mixed in example (1) with phenyl silicone, (2) with dimethyl silicone, (3) dimethyl silicone, polybutene also being included, (4) diethyl silicone, (5) a mixture of dimethyl and diphenyl silicones, (6) a mixture of dimethyl and diethyl silicones, (7) a mixture of phenyl and ethyl silicones.ALSO:A lubricating grease consists of an organo-silicon polymer (see Group IV (a)) and a lithium salt of a fatty acid with at least 8 carbon atoms in the molecule. Preferably, lithium stearate is used. Small amounts of other ingredients, e.g. corrosion and oxidation inhibitors may be added. Examples are aryl fatty acids or soaps thereof, naphthenic acid or naphthenates, aliphatic amines, or metallic soaps such as zinc myristate.
GB5604/48A 1945-06-21 1948-02-25 Silicone greases and method of preparation Expired GB652754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US600777A US2446177A (en) 1945-06-21 1945-06-21 Silicone grease and method of preparation

Publications (1)

Publication Number Publication Date
GB652754A true GB652754A (en) 1951-05-02

Family

ID=24404992

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5604/48A Expired GB652754A (en) 1945-06-21 1948-02-25 Silicone greases and method of preparation

Country Status (4)

Country Link
US (1) US2446177A (en)
DE (1) DE850047C (en)
FR (1) FR962224A (en)
GB (1) GB652754A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2506974A (en) * 2012-08-14 2014-04-16 Dow Corning Lubricant compositions

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756212A (en) * 1956-07-24 Siloxyglycol
US2508741A (en) * 1948-04-12 1950-05-23 Texas Co Lubricating grease composition
US2693449A (en) * 1948-08-13 1954-11-02 George M Hain Silicone greases
US2551931A (en) * 1948-09-29 1951-05-08 Dow Corning Polysiloxane grease and method of preparation
US2599984A (en) * 1949-02-07 1952-06-10 Dow Corning Lubricant consisting of copolymeric siloxanes substituted with methyl, phenyl, and halogenated-aryl radicals
US2616850A (en) * 1949-11-22 1952-11-04 Standard Oil Co Grease preparation
US2599917A (en) * 1950-01-25 1952-06-10 Dow Corning Siloxane lubricants
US2681313A (en) * 1950-02-20 1954-06-15 California Research Corp Alkyl orthosilicate and alkoxysiloxane base grease compositions
BE500983A (en) * 1950-02-21
US2654710A (en) * 1951-06-22 1953-10-06 California Research Corp Polysiloxane-aluminum soap greases
US2652364A (en) * 1951-12-29 1953-09-15 Shell Dev High-temperature grease compositions
US2642395A (en) * 1952-02-08 1953-06-16 Dow Corning Siloxane boundary lubricants
US2684944A (en) * 1952-06-02 1954-07-27 Standard Oil Co Lithium polyorgano siloxane polymer grease compositions
US2758981A (en) * 1952-10-29 1956-08-14 Exxon Research Engineering Co Corrosion preventive composition
DE943188C (en) * 1953-04-30 1956-05-17 Standard Oil Dev Co lubricant
US2826551A (en) * 1954-01-04 1958-03-11 Simoniz Co Nontangling shampoo
US2861950A (en) * 1955-02-28 1958-11-25 Theodore A Renshaw Method for grease manufacture utilizing fused metallic soaps
DE1001793B (en) * 1955-04-26 1957-01-31 Goldschmidt Ag Th Lubricating greases containing metal soap
US3120184A (en) * 1960-04-22 1964-02-04 Universal Match Corp Pyrotechnical devices and methods of making the same
US3047499A (en) * 1960-08-15 1962-07-31 Gen Electric Grease compositions
US3047497A (en) * 1960-08-15 1962-07-31 Gen Electric Greases thickened with metal salts of carboxyalkylpolysiloxanes

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1753659A (en) * 1926-05-13 1930-04-08 Vaman R Kokatnur Anhydrous soap gels and method of making same
US2350906A (en) * 1938-05-20 1944-06-06 Frank S Busser Lubricant grease
US2407037A (en) * 1939-10-21 1946-09-03 Frank J Sowa Lubricant and process of lubricating surfaces therewith
US2274674A (en) * 1940-04-05 1942-03-03 Clarence E Earle Lubricant containing a lithium compound
NL137009C (en) * 1940-04-05
US2362767A (en) * 1942-06-03 1944-11-14 Cities Service Oil Co Lubricants
US2354171A (en) * 1942-06-23 1944-07-18 Cities Service Oil Co Lubricant
US2351280A (en) * 1942-07-16 1944-06-13 Cities Service Oil Co Lubricant
US2375007A (en) * 1943-04-15 1945-05-01 Shell Dev Antifoaming composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2506974A (en) * 2012-08-14 2014-04-16 Dow Corning Lubricant compositions

Also Published As

Publication number Publication date
US2446177A (en) 1948-08-03
FR962224A (en) 1950-06-07
DE850047C (en) 1952-09-22

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