"The man with a new idea is a crank until the idea succeeds."
Samuel Clemens
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8093191 | Engine lubricant for improved fuel economy A lubricant composition comprising an oil of lubricating viscosity, an amino-functionalized acrylic or methacrylic-containing polymer, comprising about 2 percent to about 8 percent by weight of an amine moiety bearing a tertiary amino group, attached to said polymer... | 01/10/2012 |
| 8012919 | Oil composition for lubricating an EGR equipped diesel engine and an EGR equipped diesel engine comprising same The present invention is directed to a lubricating oil composition, a diesel engine comprising a lubricating oil composition, and a method of lubricating a diesel engine provided with an exhaust gas recirculation system, comprising lubricating said engine with a lub... | 09/06/2011 |
| 7811977 | Thermoplastic resin composition, resinous material including same composition, and sliding members using same material A sliding member formed of a resinous material is in sliding contact with a steel member in an automotive internal combustion engine. The resinous material includes a thermoplastic resin composition which includes a fluororesin in an amount ranging from 5 to 40 part... | 10/12/2010 |
| 7696138 | Alkyl acrylate copolymer dispersants and uses thereof A novel reaction product and method for making the reaction product. The reaction product is a copolymer obtained by reacting together i) an acylated alkylacrylate copolymer having a number average molecular weight ranging from about 5,000 to about 500,000; ii) a hy... | 04/13/2010 |
| 7560420 | Oil composition for lubricating an EGR equipped diesel engine and an EGR equipped diesel engine comprising same The present invention is directed to a lubricating oil composition, a diesel engine comprising a lubricating oil composition, and a method of lubricating a diesel engine provided with an exhaust gas recirculation system, comprising lubricating said engine with a lub... | 07/14/2009 |
| 7358216 | Lubricant compositions and methods A process is disclosed for manufacturing a lubricant composition comprising combining a superabsorbent polymer with a material for decreasing friction between moving surfaces. The superabsorbent polymer absorbs from about 25 to greater than 100 times its weight in w... | 04/15/2008 |
| 7101928 | Polymeric thickeners for oil-containing compositions Novel thickeners for oil-containing compositions are crystalline polymers, preferably side chain crystalline polymers, which (a) have a crystalline melting point, Tp, and an onset of melting temperature, To, such that Tp−To | 09/05/2006 |
| 7067464 | Easily dispensed, anti-traction, mobility denial system The present invention relates to a lubricious anti-traction material for effectively denying the mobility and access of personnel and vehicles to selected areas. The anti-traction material is composed of a slurry combined with water. The slurry is composed of an emu... | 06/27/2006 |
| 7067462 | UV curable lubricant compositions The present invention discloses an ultraviolet light curable lubricating composition and method for making such a composition that may be used to produce a lubricating layer. The disclosed composition does not contain any significant amount of volatile organic solve... | 06/27/2006 |
| 7018962 | Viscosity index improver concentrates A viscosity index (VI) improver concentrate containing at least one VI improver, from 0 to about 5 mass % of lubricating oil flow improver (LOFI) and diluent oil, wherein the diluent oil has a kv100 of at least about 3.0 cSt and a CCS at −35° C. of les... | 03/28/2006 |
| 6784141 | Methods, aqueous well treating fluids and friction reducers therefor The present invention relates to methods, aqueous treating fluids and friction pressure reducers for the treating fluids. A treating fluid of the invention comprises water and a non-toxic environmentally acceptable friction pressure reducer comprising a mixture of a... | 08/31/2004 |
| 6767871 | Diesel engine lubricants The lubricating oil of the present invention has a viscosity suitable for use in a diesel engine and includes at least one functionalized olefin polymer, and at least one zinc dialkyl dithiophosphate (ZDDP). The ZDDP is made from a mixture of primary alcohols or a m... | 07/27/2004 |
| 6746993 | Viscosity index improver and lube oil containing the same Viscosity index improvers, are disclosed, comprising the following polymer (A1) or (A0). Polymer (A1) has a solubility parameter of 8.6-9.4, a crystallizing initiation temperature of −15° C. or less and a steric hindrance factor (F) of 0-13, and comprises ... | 06/08/2004 |
| 6642189 | Engine oil compositions Engine oil compositions are provided containing (A) a lubricating base oil having a kinematic viscosity at 100° C. of 3 to 6 mm2 /S, a viscosity index of 120 or more, and a total aromatic content of 5 percent by mass or less and (B) a polymeth... | 11/04/2003 |
| 6458749 | Method for improving low-temperature fluidity of lubricating oils using high-and-low-molecular weight polymer A method for improving the low temperature fluidity of lubricating oil compositions based on addition to lubricating oils of a mixture of selected high molecular weight and low molecular weight alkyl (meth)acrylate copolymers is disclosed. Combinations of... | 10/01/2002 |
| 6365558 | Vegetable oils containing styrene/butadiene copolymers in combination with additional commercial polymers that have good low temperature and high temperature viscometrics A composition is disclosed which comprises (A) At least one oil comprising a synthetic triglyceride, a natural oil or a derivative of a natural oil; (B) a hydrogenated block copolymer comprising a normal block copolymer or a random block copolymer, said normal... | 04/02/2002 |
| 6323164 | Dispersant (meth) acrylate copolymers having excellent low temperature properties Polyalkyl (meth)acrylate copolymers comprising from about 12 to about 18 weight percent methyl methacrylate; from about 75 to about 85 weight percent of a C10 -C15 alkyl (meth)acrylate; and from about 2 to about 5 weight percent of a... | 11/27/2001 |
| 6271184 | Viscosity improvers for lubricating oil-compositions A copolymer comprising units derived from (a) methaciylic 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... | 08/07/2001 |
| 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 |
| 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 |
| 6100225 | Sulfonate containing copolymers as mist suppressants insoluble oil (water-based) metal working fluids Aqueous metal working fluids containing a mist suppressing copolymer are disclosed. The copolymer includes hydrophobic and hydrophilic monomers. Optionally, the metal working fluid may be an oil-in-water emulsion.... | 08/08/2000 |
| 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 |
| 5906970 | Additives and oleaginous compositions containing a dendrine coldflow improver additive A dendrimer-based cold flow additive material.... | 05/25/1999 |
| 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 |
| 5843874 | Clean performing gear oils A clean performing gear oil for use in transmission oils and axle lubricants is provided. The gear oil having a Brookfield Viscosity at -12° C. ranging from about 1,000 to about 150,000 cP, comprises a base oil having a kinematic viscosity at 100° C. ra... | 12/01/1998 |
| 5807815 | Automatic transmission fluid having low Brookfield viscosity and high shear stability An automatic transmission fluid of low Brookfield viscosity and high shear stability is disclosed which contains a base oil of lubricating viscosity and a combination of a poly alkyl (meth) acrylate viscosity index improver of low Brookfield viscosity and... | 09/15/1998 |
| 5756433 | Lubricant additives A composition comprising a carrier and a comb copolymer made by copolymerizing a polyalkyl (meth)acrylate macromonomer, present in an amount of 10-90 wt %, with the following monomers in a total amount of 90-10 wt %: (a) 0-90 wt % of C6 -C... | 05/26/1998 |
| 5726136 | Multifunctional additive for lubricating oils compatible with fluoroelastomers A description follows of an additive for lubricating oils which is a viscosity-index improver, with dispersing properties and stable towards fluoroelastomers, having a greater shear stability and improved rheological behaviour at low temperature. The abov... | 03/10/1998 |
| 5665685 | Gear and transmission lubricant compositions of improved sludge-dispersibility, fluids comprising the same A gear or transmission lubricant composition, comprising a major portion of mineral base oil, containing added thereto (A) a phosphorus-containing metal-free organic compound, such as a phosphate ester or amine salt thereof, and (B) an oil-soluble copolym... | 09/09/1997 |
| 5641734 | Biodegradable chain bar lubricant composition for chain saws A lubricant composition is described which is useful as a chain bar lubricant for chain saws. The composition comprises (A) at least one triglyceride wherein the ratio of the oleic acid moiety:linoleic acid moiety is from about 2 up to about 90, (B) at least o... | 06/24/1997 |
| 5622924 | Viscosity index improver and lubricating oil There are disclosed a viscosity index improver comprising a polymer containing at least 70% by weight of structural units of an alkyl (meth)acryrate monomer containing not more than 10 carbon atoms in the alkyl group, and a lubrication oil, comprising sai... | 04/22/1997 |
| 5565130 | Comb polymers based on olefin copolymer macromonomers The invention relates to comb polymers based on olefin copolymer macromonomers. Preferred comb polymers are copolymers of optionally hydrogenated olefin copolymer macromonomers of formula I ##STR1## wherein R' is hydrogen or methyl R1 is t... | 10/15/1996 |
| 5399275 | Environmentally friendly viscosity index improving compositions A lubricant composition having improved viscosity index characteristics is described that comprises (A) at least one vegetable or synthetic triglyceride oil of the formula ##STR1## wherein R1, R2 and R3 are aliphatic hydr... | 03/21/1995 |
| 5322632 | Multifunctional additive for lubricating oils A lubricating oil viscosity index improvement additive with dispersant and ntioxidant properties of general formula: ##STR1## where R' is hydrogen or an alkyl, Ra and Rb are alkyl radicals, Rc is a nitrogenated alkyl r... | 06/21/1994 |
| 5298565 | Graft copolymers and lubricants containing such as dispersant-viscosity improvers A graft polymer is prepared by grafting, onto a polymeric substantially saturated hydrocarbon backbone, a free-radical polymerizable vinyl nitrogen monomer, which grafting takes place with improved efficiency in the presence of minor amounts of a volatile... | 03/29/1994 |
| 5043087 | Addives for paraffinic lubricants Multifunctional additives for lubricating oils containing n-paraffins, said additives comprising a solvent and a blend of polymers containing (I) from 10 to 99 percent by weight of one or more polymers P1 composed of monomers of (A) esters of methacrylic acid,... | 08/27/1991 |
| 5013470 | Antioxidant VII lubricant additive An antioxidant bound VII polymethacrylate lubricant additive composition prepared by: (a) combining an antioxidant monomer (C1 -C20) alkyl monomers in an oil solvent to provide an intermediate reaction mixture; (b) stirring and purging th... | 05/07/1991 |
| 4985160 | Branched polymers as fuel oil additives Oil soluble copolymers comprised of an addition-type polymeric main chain and a plurality of addition-type polymeric side branches which contain basic amine groups are disclosed which stabilize distillate fuel and lubricating oil compositions against dete... | 01/15/1991 |