Patents
Patents for C10M 177 - Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes (2,766)
12/1989
12/06/1989EP0344418A1 Process for the preparation of non-ionogenic tensides
12/05/1989USRE33124 Oil-soluble sulfur- or chlorosulfur-containing additive in stable aqueous dispersion with polymeric thickener; extreme pressure lubricants
11/1989
11/07/1989US4879054 Process for producing low temperature high performance grease
10/1989
10/11/1989EP0336664A2 Improved dispersant additives derived from amido-amine adducts
10/10/1989US4873006 Compositions containing active sulfur
09/1989
09/26/1989US4869837 Preparation of a basic salt
09/21/1989WO1989008693A1 Viscosity-modifiers for aqueous-based functional products
09/08/1989WO1989008139A1 Method for synthesizing greases permitting good control of their mechanical behaviour, and greases so obtained
08/1989
08/02/1989CN1034385A Method of preparation of lube oil for the motors of submerged oil pumps
06/1989
06/13/1989CA1255650A1 Process for the solubilization of mercaptobenzothiazole in a lubricating oil composition
06/06/1989US4837338 Removal of impurities from n-methyl-pyrrolidone using highly pure water washed activated alumina
05/1989
05/31/1989EP0318186A1 Procedure for producing poly-alpha-olefin-type lubricant
05/30/1989US4834894 PTFE oil additive
05/09/1989US4828742 Lactone-modified, mannich base dispersant additives useful in oleaginous compositions
05/09/1989US4828574 Process for producing an additive for lubricants, as well as for aqueous heating medium and fuel systems, as well as the special use possibilities thereof
04/1989
04/25/1989US4824585 Calcium soaps possessing a high basicity reserve
04/18/1989US4822503 Method of manufacturing an improved multi-grade lubricating grease
04/11/1989US4820584 Carbon lubricant layer
03/1989
03/29/1989EP0309054A1 Use as hydraulik fluid or metal-rolling fluid of a lubricant
03/01/1989CN1031391A Olefines polysulfurees composition with a high content sulphur and a very low content chlorine and its preparation uses for lubricant additive thereof
02/1989
02/23/1989WO1989001506A1 Production of low pour point lubricating oils
02/22/1989EP0304175A1 Lactone-modified, Mannich base dispersant additives useful in oleaginous compositions
02/21/1989US4806281 Ptfe in oil copolymerized with nonionic wetting agent; friction and wear resistance
02/15/1989CN1031106A Process for producing a mixture of sulfides of alkaline earth metal salts of alkylhydroxybenzoic acid and alkylphenol
02/08/1989EP0302625A2 Method for preparing lubricated surfaces
02/08/1989EP0302606A2 Method and apparatus for lubricating a magnetic disk continuously in a recording file
02/07/1989US4803003 Graft polymerization with ethylenically unsaturated dicarboxylic acid material and polyamine
01/1989
01/31/1989US4802058 Novel method for refining electrical insulating oil
01/25/1989EP0300486A2 Process for producing a mixture of sulfides of alkaline earth metal salts of alkylhydroxybenzoic acid and alkylphenol
01/18/1989EP0299671A2 Production of high viscosity index lubricating oils from lower olefins and small amounts of water
01/18/1989EP0299149A2 Process for working up used lubricants by hydrogenation
01/17/1989CA1248901A1 Reclaiming lube oil in mrs unit
01/11/1989EP0298572A1 Process for the preparation of a basic salt, salt thus prepared and oil compositions containing such a salt
12/1988
12/28/1988CA1247589A Oil additive
12/21/1988EP0295853A1 Ethylene copolymer viscosity index improver dispersant additive useful in oil compositions
12/13/1988US4790954 Reacting monodispersed monolayer hydroxide gels with hydrophilic organics; oil drilling
12/07/1988EP0294096A1 Improved process for preparing stable oleaginous compositions
12/07/1988EP0293427A1 Process for producing a ptfe-dispersion suitable as lubricating oil or as additive for lubricating oils.
12/07/1988CN88103104A Improved process for preparing stable oleaginous compositions
12/06/1988US4789913 Method and apparatus for lubricating a magnetic disk continuously in a recording file
12/01/1988DE3816971A1 Dispersion eines pulvers eines fluorharzes in einer organischen fluessigkeit Dispersion of a powder of a fluorine resin in an organic liquid
11/1988
11/30/1988EP0293299A1 Process for the preparation of polysulphurized olefin compositions with a high sulphur and very low chlorine content.
11/22/1988US4786423 Oxidation and friction resistance, mineral or synthetic oils
10/1988
10/26/1988EP0288320A2 Process for removing soluble compounds of tin from esters of mono- or poly-carboxylic acids
10/25/1988CA1243582A1 Oil-in-alcohol microemulsion
10/18/1988US4778611 Oil additive process
10/06/1988WO1988005072A3 Removal of carcinogenic hydrocarbons from used lubricating oil
09/1988
09/14/1988EP0282013A2 Novel method for refining electrical insulating oil
09/06/1988CA1241742A1 Diskette having wear-resistant magnetizable layer
08/1988
08/17/1988EP0278693A2 Process for producing formulated dewaxed oil products
08/11/1988WO1988005811A1 Determination of metal source in used oil
07/1988
07/27/1988EP0276096A1 An olefin metathesis process
07/20/1988EP0275148A2 Removal of carcinogenic hydrocarbons from used lubricating oil
07/19/1988US4758360 Process for synthesizing overbased additives under constant pressure of carbon dioxide
07/14/1988WO1988005072A2 Removal of carcinogenic hydrocarbons from used lubricating oil
07/06/1988EP0273264A2 Hydraulic solicone crumb with improved heat stability
06/1988
06/28/1988US4754096 Metallosilicate acid catalyst, zeolite zsm-5 support; synthetic lubricating oils
06/16/1988WO1988004314A1 Process for producing a ptfe-dispersion suitable as lubricating oil or as additive for lubricating oils
06/07/1988US4749499 Carbonating mixture of alkaline earth compounds, surfactant in oil and solvent with oxygen- and nitrogen-based promoters; for lubricating oils and fuels
03/1988
03/09/1988EP0258426A1 Process for producing an additive for lubricants and for aqueous heating agents and fuels.
02/1988
02/02/1988US4722957 Organozirconium, hafnium and titanium components for stability
01/1988
01/07/1988EP0251517A2 A method of removing impurities from n-methyl-pyrrolidone used for solvent extraction of lube oil fractions using activated alumina
12/1987
12/16/1987EP0249216A2 Magnetic recording medium and method of manufacturing the same
12/09/1987EP0248465A1 Process for the preparation of a basic salt, such a salt and lubricating oil compositions containing such a salt
12/02/1987EP0247046A1 Hygienization of water-miscible cooling lubricant emulsions by irradiation with hard gamma rays
09/1987
09/30/1987EP0239088A2 A lubricant and process for its production
09/02/1987EP0234149A1 Calcium soaps with high reserve basicity
08/1987
08/19/1987EP0232617A1 A process for making lubricating oil from olefins
08/13/1987WO1987004717A1 Process for producing an additive for lubricants and for aqueous heating agents and fuels, as well as special application possibilities thereof
08/12/1987EP0231906A1 Process for the preparation of an additive for lubricants or for aqueous heating or fuel systems, and their particular application possibilities
07/1987
07/29/1987EP0141839B1 Phosphorus-containing metal salts/sulfurized phenate compositions/aromatic substituted triazoles, concentrates, and functional fluids containing same
07/28/1987US4683070 Determination of metal source in used oil
05/1987
05/19/1987US4666754 Multilayer, nonmagnetic substrate, overcoatings
05/12/1987US4664843 Ion exchanging; drilling muds
04/1987
04/22/1987CN86104614A Mixed metal layered hydroxide-clay adducts as thickeners for water and other hydrophylic fluids
04/21/1987US4659334 Particulate compositions used in petroleum systems comprising encapsulated materials
02/1987
02/25/1987EP0211689A2 Determination of metal source in used oil
02/04/1987CN86104606A Mixed metal hydroxides for thickening water or hydrophylic fluids
01/1987
01/07/1987EP0207811A2 Mixed metal hydroxides for thickening water or hydrophylic fluids
01/07/1987EP0207810A2 Mixed metal layered hydroxide-clay adducts as thickeners for water and other hydrophylic fluids
01/07/1987EP0207737A2 Process for the stabilization of mercaptobenzothiazole in a lubricating oil composition
12/1986
12/02/1986US4626463 Acicular iron oxide, head cleaning, magnetic particles with topical lubricant
11/1986
11/18/1986US4623472 Thermoset microporous polymer lubricating composition and method for forming the same
10/1986
10/22/1986EP0198472A2 Magnetic recording medium and method for producing the same
08/1986
08/12/1986US4605422 Oil-in-alcohol microemulsion
07/1986
07/31/1986WO1986004348A1 Hygienization of water-miscible cooling lubricant emulsions by irradiation with hard gamma rays
07/29/1986CA1208420A1 Phosphorus-containing metal salts/sulfurized phenate compositions/aromatic substituted triazoles, concentrates, and functional fluids containing same
07/01/1986US4597881 Process for producing a lithium-soap grease
05/1986
05/20/1986US4589991 Process for the solubilization of mercaptobenzothiazole in a lubricating oil composition
05/13/1986US4588640 Particulate compositions
05/07/1986EP0179814A1 Additives for lubricants and functional fluids which exhibit improved performance and method for preparing same.
05/06/1986CA1203976A1 Refined electrical insulating oil and oil-filled electrical appliances
04/1986
04/02/1986EP0176368A2 Diskette having wear-resistant magnetizable layer
11/1985
11/07/1985WO1985004896A1 Additives for lubricants and functional fluids which exhibit improved performance and method for preparing same
10/1985
10/22/1985US4549034 Refined electrical insulating oil and oil-filled electrical appliances
10/09/1985EP0157388A2 Oil-in-alcohol microemulsion
09/1985
09/24/1985US4543196 Method for making grease from reclaimed oil
09/10/1985CN85200099U Circular shear with speed-changing and pressure regulating units
08/1985
08/28/1985EP0152744A1 Process for applying a lubricative and protective coating on a flexible magnetic recording medium
08/21/1985EP0151825A2 Process for the continuous manufacture of a lubricating grease
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