Patents for C10N 70 - Special methods of preparation (2,081)
01/1990
01/17/1990EP0351052A2 A process for the production of a lubricating oil additive concentrate
01/10/1990CN1006400B Suspeuded process of solid lubricant
12/1989
12/28/1989WO1989012672A1 Synthetic polyolefin lubricant blends having high viscosity indices
12/28/1989WO1989012665A1 Lubricant blends having high viscosity indices
12/28/1989WO1989012664A1 Phosphonate adducts of olefinic lubricants having enhanced properties
12/28/1989WO1989012662A1 Olefinic oligomers having lubricating properties and process of making such oligomers
12/20/1989EP0347104A2 A process for the production of a lubricating oil additive concentrate
12/20/1989EP0347103A1 A process for the production of a lubricating oil additive concentrate
12/14/1989WO1989011907A1 Process for preparing a stable, low-viscosity oil-in-water emulsion of polar oil components
12/13/1989EP0345586A1 Process for preparing stable low-viscosity oil-in-water emulsions of polar oil components
10/1989
10/31/1989CA1262549A1 Polymeric thiadiazole lubricant additive
10/24/1989US4876113 Method for producing magnetic recording media
10/10/1989US4873006 Compositions containing active sulfur
09/1989
09/20/1989EP0333371A1 Homogeneous additive concentrates and their formation
09/20/1989EP0332687A1 Magnesium overbasing process
09/19/1989CA1259602A1 Overbased additives
09/08/1989WO1989008139A1 Method for synthesizing greases permitting good control of their mechanical behaviour, and greases so obtained
08/1989
08/23/1989EP0329254A1 Lubricant composition containing a viscosity index improver having dispersant properties
08/22/1989US4859353 Sulphur-containing borate esters
08/22/1989CA1258670A1 Preactivated organophilic clay gellant for lubricating greases, lubricating grease thickened with preactivated organophilic clay gellant, process for preparing preactivated organophilic clay gellants and preactivated organophilic clay gellants thus
08/15/1989US4857214 Oil-soluble phosphorus antiwear additives for lubricants
08/08/1989US4855074 Heating long chain succinimide and benzotriazole
07/1989
07/27/1989WO1989006682A1 Sulfurized compositions, and additive concentrates and lubricating oils containing same
07/19/1989EP0324528A1 Process for the preparation of a lubricating base oil
07/05/1989EP0323092A2 Process for the hydroisomerization of Fischer-Tropsch wax to produce lubricating oil
07/05/1989EP0323086A2 Process for preparing detergents
06/1989
06/21/1989EP0321307A2 Method for isomerizing wax to lube base oils
06/21/1989EP0321304A2 Method of improving lube oil yield by wax isomerization employing low treat gas rates
06/21/1989EP0321302A2 Method for isomerizing wax to lube base oils using an isomerization catalyst
06/13/1989US4839094 Overbased alkali metal additives
06/13/1989CA1255650A1 Process for the solubilization of mercaptobenzothiazole in a lubricating oil composition
05/1989
05/31/1989EP0318186A1 Procedure for producing poly-alpha-olefin-type lubricant
05/30/1989US4835070 Magnetic recording medium and method of producing the same
05/30/1989US4834892 Additives for lubricating oils, their process of preparation and lubricating compositions containing them
05/23/1989US4832702 Fuel additives
05/17/1989EP0315873A1 Method for working metal
05/09/1989US4828737 Mixture of carboxylic acid, tertiary alkylalkkanolamine, and solubilizer
05/09/1989US4828736 Process and composition for mechanical working of aluminum and aluminum alloys
05/09/1989US4828731 Oiliness and extreme pressure agents
05/09/1989US4828728 Diamond-like carbon
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
04/11/1989US4820584 Carbon lubricant layer
04/11/1989US4820400 Introducing free charge before filtration with undewaxed oil
03/1989
03/29/1989EP0308462A1 Protic solvent in a dehydrohalogenation process.
03/29/1989EP0308445A1 Process for the preparation of a superalkalinized additive containing an inorganic boron derivative, additive produced by said process and lubricating compositions containing said additive.
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
02/21/1989US4806281 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
02/09/1989WO1989001022A1 Magnesium overbasing process
02/08/1989EP0302625A2 Method for preparing lubricated surfaces
02/07/1989US4803005 Perfluoropolyether solid fillers for lubricants
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
01/10/1989US4797217 Lubricants for automobiles, lithium sulfonates overbased with carbon dioxide
01/10/1989CA1248518A1 Additive for power transmission shift fluids
12/1988
12/21/1988EP0295853A1 Ethylene copolymer viscosity index improver dispersant additive useful in oil compositions
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
12/06/1988CA1246093A1 Carbonate treated dispersants
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
10/25/1988US4780228 Viscosity index improver--dispersant additive useful in oil compositions
10/25/1988CA1243660A1 Method for controlling viscosity of lubricating oils
10/20/1988WO1988007031A3 Protic solvent in a dehydrohalogenation process, the product obtained therefrom and lubricant compositions containing same
10/18/1988US4778611 Oil additive process
10/12/1988EP0285711A1 Thermally stable sulfonate compositions
10/06/1988WO1988007535A1 Sulphur-containing borate esters
10/05/1988EP0285455A1 Sulphur-containing borate esters
10/04/1988US4775490 Magnesium overbasing process
09/1988
09/22/1988WO1988007073A1 Process for the preparation of a superalkanized additive containing a boron derivative, additive produced by said process and lubricating compositions containing said additive
09/22/1988WO1988007031A2 Protic solvent in a dehydrohalogenation process, the product obtained therefrom and lubricant compositions containing same
09/14/1988EP0282013A2 Novel method for refining electrical insulating oil
08/1988
08/17/1988EP0278693A2 Process for producing formulated dewaxed oil products
08/10/1988US4764297 Protic solvent in a dehydrohalogenation process, the product obtained therefrom and lubricant compositions containing same
08/03/1988EP0276293A1 Perfluoropolyether solid fillers for lubricants.
07/1988
07/27/1988EP0276096A1 An olefin metathesis process
07/06/1988EP0273588A1 Sulphurised alkaline earth metal hydrocarbyl phenates, their production and use thereof
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
06/22/1988CN87108344A Sulphurized alkaline earth metal hydrocarby phenates, their production and use thereof
06/16/1988WO1988004314A1 Process for producing a ptfe-dispersion suitable as lubricating oil or as additive for lubricating oils
06/15/1988EP0271262A1 Alkaline earth metal hydrocarbyl phenates, their sulphurised derivatives, their production and use thereof
06/15/1988CN87108239A Alkaline earth metal hydrocarbyl phenates, their sulphurised derivates, their production and use thereof
06/15/1988CN87106930A Methods for preparing group ii metal overbased sulfurized alkylphenols
06/07/1988US4749505 Olefin polymer viscosity index improver additive useful in oil compositions
06/07/1988CA1237725A1 Copper complexes of oxazolines and lactone oxazolines as lubricating oil additives
06/02/1988WO1988003945A1 Sulphurised alkaline earth metal hydrocarbyl phenates, their production and use thereof
06/02/1988WO1988003944A1 Alkaline earth metal hydrocarbyl phenates, their sulphurised derivatives, their production and use thereof
05/1988
05/24/1988US4746463 Process for producing novel products by hydrogen fluoride with esters of fatty acids
05/17/1988US4744921 Methods for preparing, group II metal overbased sulfurized alkylphenols
05/04/1988EP0266034A1 Overbased alkali metal additives
05/04/1988EP0265966A2 Super paramagnetic fluids and methods of making super paramagnetic fluids
04/1988
04/05/1988US4735734 Process for preparing suspensions of solid lubricants
03/1988
03/09/1988EP0258426A1 Process for producing an additive for lubricants and for aqueous heating agents and fuels.
03/09/1988CN87103469A Method in mechanical working of aluminium and aluminium alloys in presence of cooling lubricant, and concentrate of cooling lubricant
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