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Matches 301 - 350 out of 1,506

Document Document Title
WO/1998/031718A1
A low-sediment, low-tar, chlorine-free thermal process for preparing oil-soluble polyalkenyl derivatives of monounsaturated C�3?-C�10? monocarboxylic acid producing compounds and monounsaturated C�4?-C�10? dicarboxylic acid produ...  
WO/1998/023711A1
Lubricant compositions suitable for use in automative engines, especially internal combustion engines, the lubricant having a kinematic viscosity at 100 �C of less than 12.5 mm?2�/s and a high temperature, high shear dynamic viscosit...  
WO/1998/020053A1
The present invention relates to at least simply unsaturated polyolefins with a number mean molecular weight in the range of 400 to 1,500 dalton and a dispersibility of M�W?/M�N? < 1,2, obtained through catalytic dimerization from at...  
WO/1998/018887A1
A two-cycle oil composition is disclosed comprising a high and low molecular weight polybutene polymer, solvent and mineral oil which has suitable viscosity and exhibits improved smoke performance in the JASO test.  
WO/1998/017696A1
The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated and functionalized. The dispersant substances include compositions including a copolymer...  
WO/1998/016566A1
Disclosed is a solvent-free polymer-in-polymer dispersion consisting of polyalkyl(meth)acrylates (PAMA) and olefin copolymers (OCP), as well as their use as a viscosity index improver and a pour point depresser.  
WO/1998/014537A1
The invention concerns a lubricating oil for superchargers containing at least one lubricating base characterised in that it contains 0.3 to 30 wt. % of at least one polymer of the group consisting of polyolefines obtained from ethylene ...  
WO/1997/048741A1
Polymers (including copolymers) derived from one or more olefins, such including ethylene and C3-C20 'alpha'-olefins such as propylene and 1-butene, which polymers have (a) an average ethylene sequence length, ESL, of from about 1.0 to l...  
WO/1997/043322A1
The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene/alpha-olefin/diene interpolymer of 300 to 20,000 number average molecular weight substituted with mono- ...  
WO/1997/038019A1
A polyolefin elastomer possessing a unique combination of properties, i.e., high molecular weight (Mw), high Mooney viscosity (ML1+4 at 125 �C), low polydispersity index (Mw/Mn), low glass transition temperature (Tg) and low hysteresis...  
WO/1997/034937A1
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 alphaolefin monomer...  
WO/1997/034970A1
Mist oil lubricants are disclosed based on polycarboxylic acid esters as the base oil which have added 1 to 5 % of polyisobutylene Mn 400-2500 as stray mist suppressants.  
WO/1997/032946A1
Substantially linear ethylene polymers, such as ethylene/octene copolymers and ethylene/propylene/diene modified polymers, when added in a viscosity modifying amount to an oleaginous material, such as a lubricating oil, provides the mate...  
WO/1997/018280A1
Biodegradable polyalphaolefin fluids which are useful in fucntional fluid and lubricant compositions are oligomers of mixtures of C12 and C14 alphaolefins. The fluids have kinematic viscosities at 100 �C of from 5 to 20 mm2/s and a bio...  
WO/1996/040845A1
The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated and functionalized. The dispersant substances include compositions including a copolymer...  
WO/1996/040846A1
The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated and functionalized. The dispersant substances include compositions including a copolymer...  
WO/1996/037580A1
Novel fluid mixtures of specified hydrocarbons meeting an array of structural criteria are described. Linear hydrocarbons having terminal double bonds and internal segments of specified differing chain lengths separated by one or more ca...  
WO/1996/033147A1
The application relates to a process for the oligomerization of aromatic or alicyclic hydrocarbons by means of a complex made up of BF3 and a cocatalyst. The aromatic hydrocarbon may preferably be styrene, alpha-methyl styrene, or a mixt...  
WO/1996/023010A2
Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalysed by selected tra...  
WO/1996/019551A1
A lubricating oil composition having improved fuel economy and fuel economy retention property which comprises a lubricating oil basestock, a boron containing alkenyl succinimide, molybdenum, dithiocarbamate and/or molybdenum dithiophosp...  
WO/1996/016144A1
Adducts useful as fuel or lubricating oil additives are disclosed. The adducts comprise the reaction product of at least one quinone compound and an amine-containing polymeric material comprising at least one member selected from the gro...  
WO/1996/016145A1
An oil-soluble lubricating oil and fuel additive, useful as a multifunctional viscosity modifier comprising succinimide and other amine-containing polymers reacted with a quinone or substituted quinone adducts. Suitable polymers are thos...  
WO/1996/015211A2
A lubricant additive formulation for addition to conventional motor oil to improve the lubricating properties of the engine oil and enhance the performance of the engine. The engine treatment oil additive comprises a synergistic blend of...  
WO/1996/012746A1
A grafted polyolefin containing one or more of N-vinylimidazole, 4-vinylpyridine, or other ethylenically-unsaturated nitrogen-containing or oxygen-containing graftable monomers grafted to a polyolefin backbone is disclosed. The grafted p...  
WO/1996/005276A1
Copolymers and functionalised copolymers comprising ethylene units, in combination with non ethylene copolymer derivatives, give improved engine piston cleanliness when used as lubricating oil additives.  
WO/1995/035329A1
A dispersant derivatized from a functionalized hydrocarbon and a polyamine having one primary amine and 1-10, preferably 3-8 secondary or tertiary amines; preferably where said functionalized hydrocarbon is a Koch-derived hydrocarbon.  
WO/1995/035325A1
A continuous process for functionalizing olefins, especially polymer olefins in a CSTR or pipe reactor. Esters are preferably produced by continuous reaction of the olefin with carbon monoxide and a nucleophilic trapping agent. The liqui...  
WO/1995/035324A1
A rapid, batch Koch carbonylation/functionalization reaction of at least one polymer olefin, carbon monoxide, and an aliphatic or aryl alcohol in the presence of an acid catalyst with either an alcohol:polymer olefin mole ratio 1:1, or a...  
WO/1995/033781A1
The invention pertains to olefinically unsaturated polymers wherein at least a portion of the olefinic unsaturation has three hydrocarbyl substituents attached to the two carbons of an olefinic unsaturation (i.e., trisubstituted vinyl). ...  
WO/1995/027738A1
The invention concerns fuel or lubricant additives based on the reaction products of an ethylenically unsaturated poly-1-alkene derived from one or more 1-alkenes with 3 to 24 carbon atoms and 0 to 50% by wt. of ethene, as well as a meth...  
WO/1995/027746A1
This invention relates to block polymers containing both crystalline and elastomeric blocks, the block copolymer having an A block and a B block. The A block is a polyethylene or an ethylene polymer optionally containing an alpha-olefin ...  
WO/1995/027745A1
This invention relates to block polymers containing both cristalline and elastomeric blocks, the block copolymer having an A block and a B block. The A block is a polyethylene or an ethylene polymer optionally containing an alpha-olefin ...  
WO/1995/018782A1
A hydrocarbon oligomer and a process for its production is disclosed that is useful as a pour point depressant and as a combination pour point depressant and viscosity index improver for mineral oil or synthetic oil. The oligomer is also...  
WO/1995/013272A1
A chroman derivative represented by general formula (I), a pharmaceutically acceptable salt thereof, and a medicinal use thereof, wherein R1 is cyano, nitro, trihalomethyl, trihalomethoxy or halogen; R2 is lower alkoxyalkyl, aryloxyalkyl...  
WO/1995/006669A1
Novel polymer and copolymer compositions produced from the polymerization of non-conjugated dienes have been found. The novel compositions are produced by an equally novel process comprising cyclopolymerization of non-conjugated dienes e...  
WO/1994/029413A1
Ashless dispersants are formed using copolymers of propylene characterized in that they are liquid substantially linear polymers, they have stereo-irregularity in the polymer chain, at least 60 mol percent of the polymer has a terminal v...  
WO/1994/021760A1
There is disclosed a method of suppressing misting or spatting from an oil-containing functional fluid, such as a chain saw lubricant, by blending with the functional fluid a mist suppressing effective amount of a copolymer of a C3 or C4...  
WO/1994/020554A1
The invention concerns non-drying chlorine-free copolymers of isobutene with C4 to C10 dienes having isolated or conjugated double bonds, the copolymers having a terminal-double-bond content of at least 60 mole %. The invention also conc...  
WO/1994/019436A2
The invention pertains to oil soluble copolymers derived from ethylene and 1-butene which have a number average molecular weight between about 1,500 and 7,500, at least about 30 percent of all polymer chains terminated with ethylvinylide...  
WO/1994/013761A1
Gel-free dispersant additives for lubricating and fuel oil compositions comprise at least one adduct of (A) alpha-olefin homopolymer or interpolymer of 700 to 10,000 M(Boolean not)n, free radically grafted with an average of from 0.5 to ...  
WO1994013709A2
A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least one ethylenic double bond per polymer chain, with carbon monoxide and a nucleophili...  
WO/1994/013709A1
A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least one ethylenic double bond per polymer chain, with carbon monoxide and a nucleophili...  
WO/1994/013763A1
The present invention relates to novel multifunctional viscosity modifiers comprising a mixture of derivatized ethylene-alpha olefin copolymers, A and B. Said A copolymer comprising from about 30 to about 60 weight percent monomer units ...  
WO/1993/024539A1
Catalysts and processes are described to make low molecular weight, essentially terminally-unsaturated, viscous poly(1-olefin) or copoly(1-olefin) having a high terminal vinylidine content from a feed stock containing one or more 1-olefi...  
WO/1993/019106A1
Homo- or co-polymers derived from one or more alpha-olefins having a number average molecular weight of up to 15,000 and an isotacticity of 75 % or greater, and their use as Cold Flow Improvers in crude, fuel or lubricating oil.  
WO/1993/012056A1
The invention discloses hydrocarbon lubricants containing olefinic unsaturation participate in an olefin metathesis reaction with alkenes containing polar functional groups to provide an equilibrium mixture containing hydrocarbon lubrica...  
WO/1993/007243A1
A non-aqueous electrorheological fluid comprising a hydrophobic liquid phase and a dispersed particulate phase comprising conductive polymers selected from the group consisting of polypyrroles, polyphenylenes, polyacetylenes, polyvinylpy...  
WO/1992/016567A1
The present invention relates to hydrogenated copolymers of butadiene and at least one other diene, preferably isoprene. The copolymer is hydrogenated and comprises at least 10 % by weight of at least one crystallizable segment and at le...  
WO/1992/016568A1
The present invention relates to hydrogenated polybutadiene comprising monomeric units of 1,4-butadiene and 1,2-butadiene addition products. The copolymer is hydrogenated and comprises at least 10 % by weight of at least one crystallizab...  
WO/1992/015622A2
A functionalised polymer, especially an ashless dispersant or a viscosity index improver dispersant, suitable for use as a lubricating or fuel oil additive, or as an intermediate for use in the manufacture of such an additive, is prepare...  

Matches 301 - 350 out of 1,506