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Class 508/470 - Nitrogen attached indirectly to the -C(=O)O- groups by nonionic bonding (e.g., lauryl methacrylate-diethylaminomethyl-acrylate copolymer, etc.)


Subclass of Class 508 - Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions
Definition: Compositions wherein the -C(=O)O- groups of the
No. of patents: 66
Last issue date: 01/10/2012


1    
NumberTitleIssue Date
8093191Engine 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
8012919Oil 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
7811977Thermoplastic 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
7696138Alkyl 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
7560420Oil 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
7358216Lubricant 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
7101928Polymeric 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
7067464Easily 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
7067462UV 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
7018962Viscosity 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
6784141Methods, 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
6767871Diesel 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
6746993Viscosity 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
6642189Engine 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
6458749Method 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
6365558Vegetable 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
6323164Dispersant (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
6271184Viscosity 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
6258761Lubricating 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
6133210Homogeneous 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
6127325Viscosity 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
6124249Viscosity 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
6100225Sulfonate 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
6071862Lubricating 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
5906970Additives and oleaginous compositions containing a dendrine coldflow improver additive
A dendrimer-based cold flow additive material....
05/25/1999
5880074Additive 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
5843874Clean 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
5807815Automatic 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
5756433Lubricant 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
5726136Multifunctional 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
5665685Gear 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
5641734Biodegradable 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
5622924Viscosity 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
5565130Comb 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
5399275Environmentally 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
5322632Multifunctional 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
5298565Graft 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
5043087Addives 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
5013470Antioxidant 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
4985160Branched 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
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