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Matches 251 - 300 out of 1,506

Document Document Title
WO/2002/092645A1
The invention relates to a method for producing polyalkenyl succinimide products, especially polyisobutenyl succinimide products, wherein a polyalkene is reacted with maleic acid, maleic acid hydride or a functional derivative therefrom ...  
WO/2002/090602A1
An oil composition for heat treatment comprising an oil base mixture consisting of (A) 50 to 95 wt.% low−viscosity oil base having a dynamic viscosity as measured at 40°C of 5 to 60 mm2&sol s and (B) 50 to 5 wt.% high−viscosity oil ...  
WO2002026919B1
According to the invention there is provided a liquid friction control composition characterized as either having a high and positive friction characteristic or a low and neutral friction characteristic, comprising a retentivity agent. T...  
WO/2002/088283A1
Compositions for improving at least the low temperature flow properties of high viscosity index, high saturates, low sulfur lubricating oils (also known as American Petroleum Institute Group II and Group III oils). The compositions compr...  
WO/2002/088284A1
There are disclosed novel reaction products of a borated hydrocarbyl succinimide dispersant and phosphate or phosphite compounds which are highly effective combustion improver additives for use in two-cycle and small engine four-cycle lu...  
WO/2002/083825A1
A lubricating oil composition comprising an oil of lubricating viscosity and a total of from about 1 to about 50% by weight of copolymers comprising (A) at least one ethylene-aliphatic olefin copolymer wherein the aliphatic olefins conta...  
WO/2002/077129A1
The present invention is directed to a composition for use in a combustion engine either as a fuel additive or as an additive for a crankcase lubricant. The composition may include a polyunsaturated aliphatic or alicyclic compound having...  
WO/2002/061021A1
A tightened body tightening force stabilization agent capable of minimizing a variation in torque coefficient suitable for controlling a tightened body tightening force by a torque method, comprising, as an active ingredient, a polymer o...  
WO/2002/059519A1
A threaded joint for steel pipe, comprising a pin and a box allowed to be fitted to each other, wherein a porous zinc or zinc alloy layer as a lower layer by a projection plating method and a solid lubrication film (film containing lubri...  
WO/2002/046338A1
A composition for lubricating-film formation which comprises a base and dissolved therein at least one basic oil selected among basic sulfonates, basic salicylates, and basic phenates. The composition is applied to the frictional surface...  
WO/2002/024843A1
A method of operating a camless internal combustion engine comprises: (A) operating said engine using a normally liquid or gaseous fuel composition; and (B) lubricating said engine using a low-phosphorus or phosphorus-free lubricating oi...  
WO/2002/014384A2
A liquid polyalphaolefin homo- or copolymer, preferably 1-decene, which is substantially amorphous is obtained by a polymerization process employing hydrogen and a particular type of metallocene catalyst. Additionally, liquid polyalphaol...  
WO/2002/010276A2
A mixture comprising A) a copolymer comprising from about 70 to about 79 % by weight of units derived from ethylene, and having (a) M¿w? measured by gel permeation chromatography employing polystyrene standard ranging from about 50,000 ...  
WO/2002/000815A2
A composition, comprising: A) at least one triglyceride oil of the formula (I) wherein R?1¿, R?2¿ and R?3¿ are aliphatic hydrocarbyl groups containing from about 7 to about 23 carbon atoms; B) a pour point depressant comprising (1) an...  
WO/2001/087996A2
This invention is directed to a catalyst and an associated process for polymerizing olefins or olefin-containing compounds, to corresponding olefin polymers, to derivatives of the olefin polymers, and to lubricant and fuel compositions t...  
WO/2001/085880A1
A lubricating oil composition which is excellent not only in low-temperature properties, oxidative stability, lubricity at high temperatures, and energy saving but in low-temperature handleability; and a viscosity modifier for lubricatin...  
WO/2001/072457A1
A lubricant for die lubrication, characterized in that it is a mixed powder of two or more lubricants having a melting point higher than a predetermined temperature of pressing; and a method for producing a high density product of formin...  
WO/2001/070918A2
The invention relates to a coating material comprising: a) at least one bonding agent; b) at least one substance that releases gases at an increased temperature, and; c) at least one additive that reduces the coefficient of friction. The...  
WO/2001/058968A1
Ethylene-base copolymers comprising ethylene with an a-olefin, wherein the dyad chain distribution [EA] of ethylene (E) and the $g(a)-olefin (A) measured by ?13¿C NMR spectrometry and the ethylene content $g(a) (mol %) measured by ?13¿...  
WO/2001/057166A1
The present invention relates to formulated lubricant oils derived from a highly paraffinic basestock. The formulated lubricant oils of the present invention comprise a wax isomerate paraffinic hydrocarbon basestock component in which th...  
WO/2001/042401A1
A method for reducing the molecular weight of olefin copolymers comprises contacting an olefin copolymer and a base oil containg less than about 0.05 wt. % sulfur in the presence of oxygen and at a temperature of at least about 60 °C.  
WO/2001/038461A1
There is provided a composition comprising a fatty acid and a flow improver.  
WO/2001/034738A2
A traction fluid useful in automotive power transmitting equipment includes a base fluid of polymers of at least one olefin which contains 3 to 5 carbon atoms, hydrocarbon molecules containing non-aromatic cyclic moieties, or mixtures th...  
WO/2001/030947A1
Lubricating oil compositions comprising substantially random interpolymers comprising (1) ethylene, (2) one or more vinylic monomers selected from the group consisting of aromatic, hindered aliphatic, and cycloaliphatic vinylic monomers,...  
WO/2001/019882A1
Graft copolymers useful as a dispersant-viscosity improver for lubricating oil compositions comprise a hydrocarbon polymer having graft polymerized thereon at least two nitrogen containing units, at least one of the nitrogen containing u...  
WO/2001/010985A2
The invention relates to a lubricant for a ball-and-socket joint. Ball-shaped particles having two different particle sizes are inserted into an oil or a lubricating grease. The greater particles act as spacers which prevent a ball of th...  
WO/2001/004243A1
The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have bee hydrogenated, functionalized, optionally modified, and post treated. The dispersant substances include...  
WO/2000/071648A1
An oil composition useful as a high stress electrical oil and especially as a transformer load tap changer oil is provided. The composition comprises a major amount of a paraffinic oil having a low viscosity of less than about 20 cSt @ 4...  
WO/2000/060032A1
A lubricant composition characterized in that it comprises a lubricating oil base (A) and an ethylene/C¿3-20? $g(a)-olefin copolymer (B), that the content of the copolymer (B) is 1 to 20 wt.%, and that the copolymer (B) has the followin...  
WO/2000/058423A1
High performance engine oils and other liquid lubricants comprise a liquid lubricant basestock of low viscosity from 1.5 to 12 cSt (110C) with two dissolved polymer components of differing molecular weights. The basestock is preferably a...  
WO/2000/044857A2
A macromolecular cold flow improver in which a crystalline moiety and an oil-solubility enhancing moiety are linked by a functional group.  
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/2000/027956A1
A lubricating oil composition comprising a di-block copolymer of poly(monovinyl aromatic hydrocarbon) and hydrogenated poly(conjugated diene) as a dispersant additive is described. The said di-block copolymer preferably comprises poly(mo...  
WO/2000/026265A1
The invention concerns a polymerisation method by dielectric heating of unsaturated fatty acids, unsaturated fatty acid esters, unsaturated hydrocarbons, or unsaturated derivatives of said products, and the resulting polymers and uses of...  
WO/1999/067349A1
The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified, and post treated. The dispersant substances includ...  
WO/1999/067301A1
The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified and post treated. The dispersant substances include...  
WO/1999/067347A2
The invention relates to oligodecenes which are obtained by oligomerisation of linear 1-decene, whereby up to 40 mol %, in relation to the quantity of linear 1-decene, of other linear C¿8?-C¿12?-1-alkenes can be included by polymerizat...  
WO/1999/067348A1
The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified and post treated. The dispersant substances include...  
WO/1999/060038A1
A composition including polyalphaolefins that function as drag reducing agents and a process for the preparation of polyalphaolefins that function as drag reducing agents are disclosed. The process includes contacting alpha olefin monome...  
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/1999/047627A1
The novel synthetic polyethylene fluids of the present invention are characterized by high viscosity indices (about 94-151 VI), low pour points (about -60 to -10 °C), and a kinematic viscosity of about 6 to 28 cSt KV at 100 °C. The pro...  
WO/1999/047628A1
The novel synthetic polyethylene fluids of the present invention are characterized by high viscosity indices (about 94-151 VI), low pour points (about -60 to -10 °C), and a kinematic viscosity of about 6 to 28 cStKV at 100 °C. The prod...  
WO/1999/042542A1
Star polymers which can be used as viscosity index improvers in oil compositions formulated for high performance engines. The star polymers have tetrablock copolymer arms of hydrogenated polyisoprene-polybutadiene-polyisoprene with a blo...  
WO/1999/027039A1
An ultrahigh molecular weight polymer, such as ultrahigh molecular weight polyisobutylene, is used as an additive to enhance the lubricating/coating properties of a solvent. The polyisobutylene has a molecular weight of at least 2.5 - 3....  
WO/1999/024532A1
A lubricating oil composition comprising oil, and an additive combination comprising a poly alpha-olefin polymer dispersant with a number average molecular weight above 2500, and a metal dihydrocarbyl dithiophosphate sufficient to yield ...  
WO/1999/020720A1
A liquid hydrocarbon composition, containing paraffinic hydrocarbon components in which the extent of branching, as measured by the percentage of methyl hydrogens (BI), and the proximity of branching, as measured by the percentage of rec...  
WO/1998/058978A1
A viscosity modifier comprising a low molecular weight block copolymer including A blocks and B blocks, wherein the A blocks comprise at least about 93 wt.% polyethylene and the B blocks comprise a copolymer of between about 40 wt.% to 7...  
WO/1998/033823A1
Oily hyperbranched polymers derived from ethylene, propylene, butene and/or a C�5?-C�24? $g(a)-olefin, and a method for their synthesis, are disclosed. The polymers have non-regular microstructures and are characterized by a ratio (R...  
WO/1998/033828A1
A graft copolymer is disclosed. The copolymer is prepared by the interpolymerization of a mixture of monomers comprising ethylene, a C�3? to C�12? alpha monoolefin, and a polyene being a member selected from the group consisting of n...  
WO/1998/033872A1
A lubricating oil comprising a random copolymer of an $g(a)-olefin/aromatic vinyl compound, wherein the copolymer has a viscosity falling within a specific range and comprises ethylene, an aromatic vinyl compound, and optionally an $g(a)...  

Matches 251 - 300 out of 1,506