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Patent Searching and Data


Matches 201 - 250 out of 1,808

Document Document Title
WO/2001/046343A1
A process for making a lube base stock wherein a highly paraffinic feedstock (with boiling points within the range of from 258° to 1100° F) is dehydrogenated to produce an olefinic feedstock, which is oligomerized to produce an oligome...  
WO/2001/040416A1
The invention concerns a process for the preparation of a lubricant combination including to steps of selecting a first and a second lubricant; mixing the lubricants and subjecting the mixture to conditions for adhering the particles of ...  
WO/2001/038466A1
The present invention relates to the methods of treatment of friction surfaces of friction units and is destined for decreasing mechanical losses from friction and increasing longevity of friction units of internal-combustion engine, agg...  
WO/2001/034737A1
Solid anhydrous lithium hydroxide and lithium hydroxide polyolefin film which has a melting point below 280 °F and dissolves in hot lubrication oil with substantially no residue at low levels. More particularly, the pouches contain pre-...  
WO/2001/034735A1
A method for blending base oils for use in passenger car motor oils. The PCMOs blended from these base oils show improved volatility and fuel economy, while maintaining current engine durability/wear protection and providing improved low...  
WO/2001/014505A1
The present invention provides a method and use of incorporating water-soluble or water-dispersible polymer(s), stabilized in an invert (water-in-oil) emulsion, into an oil continuous metalworking emulsifiable concentrate, which is then ...  
WO/2001/010986A1
The invention relates to a method for cutting- or non-cutting shaping of metals using two cooling lubricants. A first cooling lubricant in the form of an oil or a first emulsion with an oil content of at least 10 weight % is applied to t...  
WO/2001/007537A1
A method for concentrating the amount of alkylated mono-aromatics in a lubricating oil feedstock useful as a feedstock for sulfonation. The method comprises extracting a feedstock rich in aromatics with a solvent selected from NMP, pheno...  
WO/2001/005916A1
A sulfurized extreme-pressure additive which contains no surfactants, is perfectly soluble in water, is reduced in odor, and has a satisfactory hue; and a cutting fluid and a grinding fluid which are excellent in antifoaming and anticorr...  
WO/2001/002520A1
The present invention relates to the lubricant grease compositions, in particular to the compositions for the treatment of friction pairs, and can be used in the machine building for the treatment of friction units, and also during the e...  
WO/2000/045228A1
A compositional model (801) is run on a computer or processor (803) having attached memory (805). The processor (803) may be PC-based or main frame-based and the memory (805) may be RAM, ROM or any appropriate storage device. The composi...  
WO/2000/042125A1
A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrodesulfurizing stage containing one or ...  
WO/2000/042127A1
A slurry hydroprocessing process for upgrading a hydrocarbon feedstock containing nitrogen and sulfur using bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least two Group VIB metals wherein the ra...  
WO/2000/042126A1
A process fo hydroprocessing petroleum and chemical feedstocks by use of a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least one, preferably two Group VIB metal wherein the ratio of Group VIB m...  
WO/2000/042128A1
Hydrocracking process for hydrocracking petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.  
WO/2000/042131A1
Hydroprocessing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.  
WO/2000/042082A1
This invention provides a process for hydrotreating hydrocarbon resins, which process comprises contacting a feedstock comprising a hydrocarbon resin or rosin, under suitable hydrotreating conditions, with a bulk multimetallic catalyst c...  
WO/2000/042124A1
A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrdesulfurzing stage containing one or mo...  
WO/2000/042121A1
Hydrofining of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.  
WO/2000/042129A1
A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrodesulfurizing stage containing one or ...  
WO/2000/041988A1
An improved process for preparing alcohols by the Oxo process. More particularly this invention relates to an improvement in the hydrogenation step of the Oxo process characterized in the use of certain bulk multimetallic hydrogenation c...  
WO/2000/042120A1
Hydrotreating a petroleum feedstream comprised of at least 50 wt. % of an atmospheric distillation distillate boiling range product stream, preferably hydrodesulfurization of raw virgin petroleum distillates, using a bulk multimetallic c...  
WO/2000/042119A1
Hydroconversion processing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.  
WO/2000/034420A1
A viscosity modifier for lubricating oils which is capable of giving a lubricating oil composition excellent in low-temperature properties; and a lubricating oil composition which contains the viscosity modifier and has excellent low-tem...  
WO/2000/022074A1
Lubricating oils exhibiting anti rust-properties are obtained by adding to the lubricating oil an acidic anti-rust additive and an acid scavenger such as carbodiimide, in a specific sequence.  
WO/2000/014187A2
Premium synthetic lubricants comprise a synthetic isoparaffinic hydrocarbon base stock and an effective amount of at least one, and typically a plurality of lubricant additives such as a detergent, dispersant, antioxidant, antiwear addit...  
WO/1999/052997A1
The invention relates to solid lubricants and a solid lubricant combination with a tin sulphide and carbon base, to a method for producing them and to their use in friction pad mixtures and friction pads such as brake pads or clutch lini...  
WO/1999/052999A1
Concentrates for lubricating oil compositions are prepared by mixing at elevated temperature: (i) at least one high molecular weight ashless dispersant; (ii) at least one oil-soluble overbased metal detergent; and (iii) at least one othe...  
WO/1999/045084A1
A process for producing a lubricating oil basestock having at least 90 wt % saturates and a VI of at least 105 by solvent extracting a feedstock in unit (20) to produce a raffinate, solvent dewaxing the raffinate, selectively hydroconver...  
WO/1999/042541A1
Greases having low noise properties are prepared by cycling kettle contents, during at least the initial stage of soap-forming or other thickening, round a processing loop comprising (i) agitation and heating and (ii) shearing. Lithium c...  
WO/1999/041327A1
A process for producing a lubricating oil basestock having at least 90 wt.% saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone (20) to a two step hydroconversion through a first h...  
WO/1999/027038A1
A grease made by combining polychlorotrifluoroethylene oil with a thickening agent comprising polychlorotrifluoroethylene (PCTFE) polymer. The thickening agent is made by polymerizing chlorotrifluoroethylene [R-1113] in the presence of a...  
WO/1999/010416A1
A process for forming a dispersion of dry polytetrafluoroethylene particles in an organic carrier fluid comprising the steps of: a) surface functionalizing the polytetrafluoroethylene particles having an average primary particle size of ...  
WO/1998/044075A1
A process for reducing the Mutagenicity Index and/or the PCA content of a lubricating oil extract by re-extracting a lubricating oil extract with a second extraction solvent, different from the first extraction solvent, to form a seconda...  
WO/1998/023706A1
The invention concerns a method for improving the pour-point of a feedstock containing paraffin of more than 10 carbon atoms, whereby the feedstock to be treated is contacted with a catalyst containing NU-86 zeolite and at least a hydro-...  
WO/1998/010044A1
The invention concerns a mixture of superalkalified earth-alkaline comprising: (a) 50 % to 85 % by weight of one mono-alkyl-sulphonate with a C�14?-C�40? linear chain in which the molar ratio of phenyl-sulphonate substituent in posit...  
WO/1998/005409A1
An oil filter (10) includes a colloidal suspension (12) of PTFE particles less than 2 microns in size retained by capillary forces within the intricacies of the filter media (26) until the filter (10) is installed and engine oil flows at...  
WO/1997/047710A1
The invention relates to lubricating grease compositions which consist of (a) an oil based on hydrocarbons; (b) a perfluorinated polyalkyl ether oil of the general formula A' - (O-CF2)v-(O-C2F4)w-(O-C3F6)x-(O-C4F8)y-(O-CF2CF(CF3))z-O-A''...  
WO/1997/026238A1
A lubricant which is prepared from at least one synthetic ester composition exhibiting thermal and oxidative stability which comprises the reaction product of: 3,5,5-trimethyl-1-hexanol and an acid or anhydride; and a lubricant additive ...  
WO/1997/024418A1
A homogenous product is formed by heating at a temperature in the range of from 50� to 150 �C a mixture of a benzotriazole and a 2,5-dihydrocarbyldithio-1,3,4-thiadiazole.  
WO/1997/024417A1
Sulphur monochloride and a phenol are reacted to produce an oil-soluble intermediate which is then reacted with an unsaturated organic compound having one or more olefinic or acetylenic bonds to reduce the amount of active sulphur in the...  
WO/1997/020640A1
Process comprising the application on the metal surface of the part of an aqueous dispersion of a copolymer, which is then dried so as to obtain a non cross-linked film having a thickness comprised between 0.5 and 5 'mu'm; the copolymer ...  
WO/1997/020641A1
A method comprising the use of a non-cross-linked block or graft copolymer film having a thickness of 0.5-5 'mu'm and including at least one "polar" block (ii) and at least one "apolar" block (i). The solubility parameters of the monomer...  
WO/1997/017001A1
A bladder for containing a cushioning medium. The bladder includes open compartments which are created by welding or otherwise fastening a first bladder wall against a second bladder wall. The periphery of the bladder walls are welded or...  
WO/1996/039065A1
A composite mixture of spherical objects and lubricant useful for its cushioning properties is disclosed and claimed. The composite mixture may be composed of microspheres typically less than 2000 microns in diameter with inert atmospher...  
WO/1996/034931A1
The present invention discloses the use of nonmetallic, finely divided polymeric or natural fibers in anti-seize thread compound formulations for use on rotary shouldered, oilfield tubular good or tapered threaded connections. The additi...  
WO/1996/017902A1
Petroleum wax feeds having a low oil content are converted to high viscosity index lubricants by a two-step hydrocracking-hydroisomerization process in which the wax feed is initially subjected to hydrocracking under mild conditions with...  
WO/1996/016113A2
The invention provides composites of organic polymeric compositions including a matrix of an organic polymer and a filler distributed throughout the matrix, the filler being present in the matrix substantially as separate particles, each...  
WO/1996/011244A1
A process and an apparatus for lubricating with multiple phases of lubricants and a multiphase lubricant, are described. Lubricants of different phases (10 and 12) are used in a process of lubricating one or more operating components (22...  
WO/1996/004356A1
A process is described wherein olefins or acetylenic compounds are reacted with sulfurised intermediates to produce nitrile seal compatible additives. Olefin or acetylenic compound reaction with sulfurised compounds e.g. sulfurised pheno...  

Matches 201 - 250 out of 1,808