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| Number | Title | Issue Date |
| 7776801 | Additive mixture as component of a mineral oil composition An additive mixture as component of a composition of mineral oil as main component and trace portions of an additive mixture containing the additive components a) ethylene-vinylester copolymers modified by polar groups with molecular mass weight average... | 08/17/2010 |
| 7348038 | IOL insertion apparatus and method for making and using same Apparatus for inserting intraocular lenses (IOLs) into eyes include a hollow tube including a material and having an interior wall defining a hollow space through which an IOL is passed and an outlet through which the IOL is passed from the hollow space into an eye,... | 03/25/2008 |
| 7250458 | Stable polymer dispersions and method for the production thereof The present invention relates to a stable polymer dispersion comprising A) at least one dispersed polyolefin, B) at least one dispersing component, C) at least one ester and D) at least one ether comprising (oligo)... | 07/31/2007 |
| 7244695 | Method for reducing wear of steel elements in sliding-rolling contact According to the invention there is provided a method of reducing wear of one or both of two steel elements having surfaces in sliding or sliding-rolling contact. The method involves applying an HPF friction control composition to one, or more than one contacting su... | 07/17/2007 |
| 7214648 | Lubricant and additive formulation An engine lubricant formulated as a complete crankcase motor oil or additive concentrate composed of a combination of chemical constituents including a base oil selected from a synthetic oil, a mineral oil or semi-synthetic base oil (hydrogenated oil) or combination... | 05/08/2007 |
| 7214649 | Hydrocarbyl dispersants including pendant polar functional groups A dispersant composition for use as a lubricant additive. The dispersant composition includes a reaction product of an acrylamide and a compound having at least one primary or secondary amine group and being selected from the group consisting of hydrocarbyl-substitu... | 05/08/2007 |
| 7189682 | All-weather tractor hydraulic fluid using a mixture of viscosity modifier types to meet shear-stable multigrade viscosity requirements A composition of the following components: an oil of lubricating viscosity; a polymethacrylate viscosity modifier; an ester of a maleic acid/styrene copolymer; and optionally, an additive package that imparts to the fluid the capacity to meet bench and dynamometer t... | 03/13/2007 |
| 7091162 | Cured lubricant for container coveyors Lubricants for containers and for conveyors for transporting containers are provided. The lubricants provide container and conveyor surfaces having low coefficients of friction. In one embodiment, the lubricants comprise a cured coating containing hydrophobic polyme... | 08/15/2006 |
| 7045489 | Friction control compositions 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. The liquid friction control co... | 05/16/2006 |
| 7037990 | Transition metal complexes in the controlled synthesis of polyolefins substituted with functional groups A method is provided for the polymerization of olefins substituted with a functional group using a transition metal catalyst that, by virtue of one or more stabilizing groups incorporated within the catalyst structure, “fixes” the stereoconfiguration of each ole... | 05/02/2006 |
| 6992139 | Monodisperse heterotelechelic diol/amine-based polyurethane/urea hybrids for use golf balls A golf ball including a core and a cover layer, where the cover layer includes a curing agent and a polyurethane/urea hybrid prepolymer formed from a polyisocyanate and a monodisperse heterotelechelic polymer having a polydispersity of from about 1.0 to about 1.3, a... | 01/31/2006 |
| 6964999 | Polymer and curable composition A vinyl polymer having at least one terminal group of the general formula (1) per molecule; —OC(O)C(R)═CH2 (1) wherein R represents hydrogen or an organic group containing 1 to 20 carbon atoms; | 11/15/2005 |
| 6821933 | Additives for improving the cold flow properties and the storage stability of crude oil The invention relates to additives for improving the flowability of mineral oils, containing: A) 1-40 wt. % of at least one copolymer, which is oil-soluble and improves the cold flow properties of mineral oil, selected from A1) cop... | 11/23/2004 |
| 6500789 | Anti-corrosion lubricant for pollution sensitive uses An economical lubricant blended from refined bleached deodorized soybean oil, a food grade. additive that confers "tack" or stringiness, and a food grade anti-oxidant. The preferred food grade additive that confers "tack" is FUNCTIONAL V-584 and the prefe... | 12/31/2002 |
| 6475964 | Motor oil with high dispersivity and good wear protection characteristics Motor oils and transmission oils of the usual commercial SAE single- and multiple viscosity classes, which oils contain polymeric additives and which have high dispersivity and good wear protection characteristics, said oils containing the following addit... | 11/05/2002 |
| 6461999 | Starch-containing lubricant systems for oil field applications Lubricating additives for drilling fluids are prepared from semi-solid highly viscous and/or high molecular weight lubricants, such as polyalkylenes (e.g., polybutene), by steam jet cooking a mixture of starch, water, and the lubricant in order to uniform... | 10/08/2002 |
| 6350723 | Block copolymers prepared by anionic polymerization Block copolymers having a molecular weight distribution of between 1.0 and 5.0 comprising at least one block of polymerized alkyl methacrylate monomer(s), wherein from 50 to 100% by weight of the monomers for forming the alkyl methacrylate block are C12-C... | 02/26/2002 |
| 6258761 | Lubricating oil additives A composition prepared by reacting (A) an esterified carboxy-containing interpolymer, said interpolymer being derived from at least two monomers, (i) one of said monomers being at least one vinyl aromatic monomer and (ii) the other of said monomers being ... | 07/10/2001 |
| 6228819 | Process for making a viscosity index improving copolymer A method for making viscosity index improving copolymer includes polymerizing a monomer mixture including a first (meth)acrylate monomer, a second (meth)acrylate monomer and a styrenic monomer in an oil soluble diluent and in the presence of a polymerizat... | 05/08/2001 |
| 6172015 | Polar monomer containing copolymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such copolymers and additives and use thereof Polar monomer-containing copolymers derived from at least one , ଲ unsaturated carbonyl compound, such as alkyl acrylates and one or more olefins, such olefins including ethylene and C3 -C20 -olefins such as propyl... | 01/09/2001 |
| 6133210 | Homogeneous additive concentrates for preparing lubricating oil compositions A homogeneous composition comprising (A) at least one polymeric carboxylic ester viscosity improver optionally containing nitrogen-containing groups, and (B) at least one hydrocarbyl group substituted ashless dispersant wherein the hydrocarbyl group has M... | 10/17/2000 |
| 6127325 | Viscosity index improver, process for preparing the same and lubricating oil composition A viscosity index improver for addition to lubricating oil or the like, which comprises a graft copolymer having structural units of an oil-soluble polymer (a) comprising an olefin polymer and structural units of a copolymer (b) of a monomer having a pero... | 10/03/2000 |
| 6124249 | Viscosity improvers for lubricating oil compositions A copolymer comprising units derived from (a) methacrylic acid esters containing from about 9 to about 25 carbon atoms in the ester group and (b) methacrylic acid esters containing from 7 to about 12 carbon atoms in the ester group, said ester groups havi... | 09/26/2000 |
| 6080794 | Demulsifiers The invention concerns demulsifiers and methods of demulsifying based on polyalkyl (meth)acrylated co-oligomers or copolymers, CNP, built up from the following components consisting essentially of: A) 10 to less than 60 weight % of alkyl (meth)acrylic acid est... | 06/27/2000 |
| 6071862 | Lubricating oil additives A composition, comprising from about 20% to about 80% by weight of a diluent, prepared by reacting a mixture comprising (A) an esterified carboxy-containing interpolymer, said interpolymer being derived from at least two monomers, (i) one of said monomers bein... | 06/06/2000 |
| 6066603 | Polar monomer containing copolymers derived from olefins useful as lubricant and useful as lubricant and fuel oil additivies process for preparation of such copolymers and additives and use thereof Polar monomer-containing copolymers derived from at least one , ଲ unsaturated carbonyl compound, such as alkyl acrylates and one or more olefins, such olefins including ethylene and C3 -C20 -olefins such as propyl... | 05/23/2000 |
| 6034041 | Lubricant for metal forming Disclosed is a solid or aqueous lubricant concentrate used for the cold forming of metals, which, with reference to the solids content, including a) 20 to 50 parts by weight polyethylene with a softening point above 120° C. and a particle size int he ran... | 03/07/2000 |
| 5939365 | Lubricant with a higher molecular weight copolymer lube oil flow improver A lubricant which comprises: a mineral oil basestock which has been dewaxed via catalytic cracking and/or catalytic isomerization; an alkylene-alkylene copolymer; and a lubricating oil flow improver formed from the reaction product of: (a) an unsaturated ... | 08/17/1999 |
| 5891831 | Viscosity index improver, engine lubricant composition, and concentrate Disclosed are a viscosity index improver which comprises a copolymer (A) consisting essentially of an alkyl methacrylate (a1), and one or more monomers (a2) selected from the group of conjugated dienes, acetylene, substituted acetylene, alkyl vinyl ethers... | 04/06/1999 |
| 5880074 | Additive concentrates containing mixtures of organic diluents and esterified carboxy-containing interpolymers and lubricants containing them Additive concentrates comprising from at least one organic diluent selected from the group consisting of naphthenic oils and synthetic oils and from about 95% to about 50% by weight of an ester as defined herein are useful to prepare lubricating oils havi... | 03/09/1999 |
| 5866519 | Automatic transmission fluids of improved viscometric properties This invention provides a composition and method for producing partial synthetic automatic transmission fluids having improved shear-stability and low temperature properties without the need to incorporate polymeric viscosity modifiers.... | 02/02/1999 |
| 5733852 | Lubricating oil compositions Copolymers and functionalized copolymers comprising ethylene units, in combination with non ethylene copolymer derivatives, give improved engine piston cleanliness when used as lubricating oil additives.... | 03/31/1998 |
| 5707943 | Mixtures of esterified carboxy-containing interpolymers and lubricants containing them Mixtures of esterified carboxy-containing interpolymers and additive concentrates and lubricating oil compositions containing same. Residual acidity of the esterified interpolymers may be neutralized by reaction with an amine.... | 01/13/1998 |
| 5691284 | Synthetic oligomeric oils Synthetic oils comprising 5-100 percent by weight of an oligomer of A) 0-75 wt. % of at least one 1-alkene, B) 20-100 wt. % of at least one (meth)acrylic acid ester of the formula ##STR1## wherein R is hydrogen or methyl and R1 is optionally branche... | 11/25/1997 |
| 5646099 | Automatic transmission fluids of improved viscometric properties This invention provides a composition and method for producing partial synthetic automatic transmission fluids having improved shear-stability and low temperature properties without the need to incorporate polymeric viscosity modifiers.... | 07/08/1997 |
| 5585337 | Hydrocarbon oil compositions having improved cold flow properties This invention provides hydrocarbon oil compositions comprising a major amount of a hydrocarbon oil and, as active ingredients, minor amounts of a copolymer of at least one n-(C8 -C40 -alkyl) (meth)acrylate with maleic anhydride, and... | 12/17/1996 |
| 5554200 | Oil additives and compositions Compositions comprising two or more ethylene-unsaturated ester copolymers differing in their ester proportions improve the low temperature properties of fuel oils.... | 09/10/1996 |
| 5523007 | Stabilized diesel engine oil A lubricant oil composition comprising a diesel engine lubricating oil and, as antioxidant, a compound of formula I ##STR1## wherein R1 and R2 are each independently of the other C1 -C12 alkyl and X is ... | 06/04/1996 |
| 5435925 | Polyethylene lubricant-dispensing compositions Solid lubricant-dispensing plastics containing: polyethylene with a molecular weight of about 200-700,000; an oil; an optional compatibilizing agent for the oil; and, a bleed control agent that controls the rate of release of the oil. Methods are also dis... | 07/25/1995 |
| 5429758 | Graft copolymers prepared from solvent-free reactions and dispersant derivatives thereof Compositions useful as oil additives are prepared in a solvent or a solvent free system by reacting (B) an unsaturated carboxylic acid reagent with (A) a hydrogenated block copolymer in the presence of (C) free radical initiators. The formed reaction prod... | 07/04/1995 |
