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| Number | Title | Issue Date |
| 8362173 | Polymer capable of adsorbing acidic water-soluble target substance, and method for production of the polymer To provide a polymer which selectively adsorbs an acidic water-soluble target substance, a polymer which has a specific recognition site for an acidic water-soluble target substance, a production process thereof, and an acidic water-soluble target substance-adsorbin... | 01/29/2013 |
| 7662898 | Biocompatible material A biocompatible material having excellent biocompatibility such as small interaction with a component of a living body such as a protein or blood cell. A biocompatible material comprising a polymer obtained by polymerizing a monomer composition comprising an amino a... | 02/16/2010 |
| 7659354 | Hydrophobically modified polymers as laundry additives The present invention is directed to polymeric compounds comprising a main backbone derived from at least the following monomeric components: (I) 20 to 99.9% by weight, preferably 50% to 99% by weight, of at least one cationic monomer according to formula (I), and (... | 02/09/2010 |
| 7622538 | Self-etching dental materials based on (METH) acrylamide phosphates Polymerizable dental material, characterized in that it contains at least one (meth)acrylamide phosphate of the following general formula (I): in which R1 is H or CH3; R2 is H or a C1 | 11/24/2009 |
| 7402641 | Terpolymer compositions for coating substrates used in computer printers Terpolymer compositions of vinyl caprolactam (VCL), dimethylaminopropyl methacrylamide (DMAPMA) and hydroxyethyl methacrylate (HEMA) are described to coat substrates for use in computer printers, and provide advantageous print quality thereon. ... | 07/22/2008 |
| 7393821 | Detergent builder and detergent composition It is an object of the present invention to provide a detergent builder comprising a copolymer excellent in compatibility with a liquid detergent and capable of exhibiting excellent basic abilities such as prevention of recontamination and detergency ratio, and a de... | 07/01/2008 |
| 7361693 | Low density polymer beads Low density polymeric beads made by polymerizing monomeric building blocks into large crosslinked polymer molecules in porous, spherical bead form by droplet or suspension polymerization in the presence of a porogen. ... | 04/22/2008 |
| 7335709 | Polymerizate composition and a method for producing the same The invention relates to water-soluble, preferably powder-form polymer compositions which are obtained by continuous polymerization of at least one unsaturated monomer. At least one parameter that influences the polymerization is varied according to a recurrent patt... | 02/26/2008 |
| 7300700 | Cationic microspheres and method of making cationic microspheres An adhesive composition that incorporates cationic microspheres and a fluidizing medium effective for supporting application of the adhesive composition to a substrate. ... | 11/27/2007 |
| 7247693 | Monomer compound comprising several cationic groups, process for making the same, and polymers comprising units deriving therefrom A polymer includes repetitive units derived from a monomer compound according to formula (I): wherein R1 is a hydrogen atom, a methyl group or an ethyl group, A, which is identical or different, is a g... | 07/24/2007 |
| 7238760 | Water-soluble or water-swellable, associatively thickening copolymers containing sulfo groups, method for producing the same and use thereof The invention relates to water-soluble or water-swellable copolymers which contain sulfo groups and which are based on (meth)acrylamide-alkylsulfonic acids and (meth)acrylamide or N-vinyl compounds, and to their use as additives for aqueous construction materials sy... | 07/03/2007 |
| 7226603 | HBV core antigen particles with multiple immunogenic components attached via peptide ligands This invention relates to hepatitis B virus (“HBV”) core antigen particles that are characterized by multiple immunogen specificities. More particularly, the invention relates to HBV core antigen particles comprising immunogens, epitopes, or other related struct... | 06/05/2007 |
| 7220708 | Drilling fluid component A method and composition is provided for a relative permeability modifying polymer for use with drilling fluids that comprises a water soluble polymer formed from a hydrophobic or hydrophobically modified hydrophilic monomer and a hydrophilic monomer. In an alternat... | 05/22/2007 |
| 7216707 | Cement compositions with improved fluid loss characteristics and methods of cementing using such cement compositions The present invention provides a method of cementing in a subterranean formation that includes providing a cement composition that includes water, cement, and a fluid loss control additive that includes a water-soluble hydrophobically modified polymer or a hydrophil... | 05/15/2007 |
| 7214752 | Homopolymers which exhibit a high level of photo-inducable birefringence Homopolymers suitable for storage of information provided optically are disclosed. The are formed from monomers which contain groupings which are at least trinuclear, which are capable of absorbing the electromagnetic radiation of ... | 05/08/2007 |
| 7208555 | Process for preparing polyvinylidene fluoride copolymer The present invention provides a polyvinylidene fluoride copolymer capable of forming a uniform film, a solution of the copolymer and a thin film comprising the polyvinylidene fluoride copolymer. The polyvinylidene fluoride copolymer of the present invention is char... | 04/24/2007 |
| 7207387 | Methods and compositions for use with spacer fluids used in subterranean well bores The present invention relates to spacer fluids used in subterranean operations and, more particularly, to spacer fluids that comprise water-soluble relative permeability modifiers and methods of using the spacer fluids in subterranean operations. In one embodiment, ... | 04/24/2007 |
| 7182136 | Methods of reducing water permeability for acidizing a subterranean formation The present invention provides a method of stimulating a subterranean formation penetrated by a well. The formation has a water-bearing section and a hydrocarbon-bearing section. The method includes the steps of: (a) introducing into the formation an aqueous treatme... | 02/27/2007 |
| 7159656 | Methods of reducing the permeabilities of horizontal well bore sections Methods of temporarily reducing the permeability of one or more selected sections of a subterranean formation penetrated by a horizontal well bore and the flow of water or water and hydrocarbons or hydrocarbons therefrom are provided. The methods comprise the steps ... | 01/09/2007 |
| 7160953 | Polymeric surface coatings A biocompatibilizing process in which a substrate having a surface which bears substrate pendant functional groups is biocompatibilized by coating it with a coating composition containing a polymer formed from a radical polymerizable monomers including a radical pol... | 01/09/2007 |
| 7157538 | Covalently-bound, hydrophilic coating compositions for surgical implants Covalently-bound, hydrophilic copolymer coatings for implants are disclosed. The copolymer coatings comprise a hydrophobic aryl acrylic monomer, a hydrophilic monomer selected from the group consisting of hydroxyalkyl (meth)acrylates, n-vinyl pyrrolidone and acrylam... | 01/02/2007 |
| 7117942 | Methods useful for controlling fluid loss during sand control operations The present invention relates to methods useful during sand control operations and, more particularly, to using water-soluble relative permeability modifiers that are useful for controlling fluid loss during sand control operations. In one embodiment, the present in... | 10/10/2006 |
| 7114568 | Hydrophobically modified polymers for a well completion spacer fluid A method and composition is provided for a relative permeability modifier for use with aqueous well treatment fluids that comprises a hydrophobically modified water soluble polymer or a hydrophilically modified water soluble polymer. ... | 10/03/2006 |
| 7091159 | Compositions for and methods of stabilizing subterranean formations containing clays A composition of matter for use in stablizing shale formations in earth boreholes comprising polymeric products, e.g., polymers of a dialkyl aminoalkyl methacrylate, which can optionally be quaternized with an alkyl halide to produce drilling fluid additives which s... | 08/15/2006 |
| 6984705 | Composition and method for recovering hydrocarbon fluids from a subterranean reservoir A composition comprising expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 10 microns and a cross linking agent content of from about 9,000 to about 200,000 ppm of labile cross lin... | 01/10/2006 |
| 6977286 | Crosslinked rubber particles and rubber compositions An objective of the invention is to provide a rubber composition which has satisfactory processability and dimension stability, and the like, gives a vulcanized rubber exhibiting excellent wearing resistance and tensile strength, and the like, and thus is useful in ... | 12/20/2005 |
| 6956092 | Poly (meth) acrylamide with a high stereoregularity and process for producing the same The present invention provides a novel high-molecular substance having a unique function and a process for producing the same. That is, it is a poly(meth)acrylamide which has a syndiotacticity of 50% or lower and is highly isotactic or heterotactic. The poly(meth)ac... | 10/18/2005 |
| 6946510 | Use of weakly anionic copolymers as dispersing and/or grinding aid agent of an aqueous suspension of mineral materials The invention relates to the use of a slightly anionic and water-soluble copolymer, as a dispersing agent and/or an agent for assisting the grinding of pigments and/or mineral fillers in aqueous suspension giving on the one hand a low Zeta potential to the aqueous s... | 09/20/2005 |
| 6946512 | Molding materials and method for producing molded parts Use of a copolymer (A) preparable by free-radical polymerization of a) at least one olefinically unsaturated monomer and b) at least one olefinically unsaturated monomer different than the olefinically unsaturated monomer (a) and of the gen... | 09/20/2005 |
| 6939934 | Terpolymer compositions for coating substrates used in computer printers Terpolymer compositions of vinyl caprolactam (VCL), dimethylaminopropyl methacrylamide (DMAPMA) and hydroxyethyl methacrylate (HEMA) are described to coat substrates for use in computer printers, and provide advantageous print quality thereon. ... | 09/06/2005 |
| 6930133 | Low density polymer beads Low density polymeric beads made by polymerizing monomeric building blocks into large crosslinked polymer molecules in porous, spherical bead form by droplet or suspension polymerization in the presence of a porogen. ... | 08/16/2005 |
| 6875833 | Monomers and homopolymers, having high photoinduceable double refraction, prepared therefrom Disclosed are monomers which contain groups that are at least trinuclear, which are capable of absorbing the electromagnetic radiation of visible light, and which are structured such that in their thermodynamically stable state they are distended and strongly anisom... | 04/05/2005 |
| 6855747 | Method of producing ion sensitive film for ion sensor There is disclosed a method of easily producing a long-lived ion sensitive film having excellent durability and used in an ion sensor. The method starts with preparing a monomer mixture consisting chiefly of monomer units including a functional group and a second gr... | 02/15/2005 |
| 6852815 | Conditioning/styling tetrapolymers What is described herein are conditioning/styling tetrapolymers of vinyl caprolactam (VCL), vinylpyrrolidone (VP), dimethylaminopropyl methacrylamide (DMAPMA) and C8-C24 alkyl quaternized dimethylaminopropyl (meth)acrylamide or methacrylic acid... | 02/08/2005 |
| 6818717 | Fluorinated polymeric paper sizes and soil-release agents Novel fluorine-containing paper sizes which impart oil and grease resistance to paper and soil-release properties to textile products are described which are the copolymerization products of (a) a perfluoroalkyl-substituted (meth)acrylate or (meth)acrylamide, (b) a ... | 11/16/2004 |
| 6743878 | Polymeric surface coatings A biocompatibilising process in which a substrate having a surface which bears substrate pendant functional groups is biocompatibilised by coating it with a coating composition containing a polymer formed from a radical polymerisable monomers including a radical pol... | 06/01/2004 |
| 6703468 | Compound, polymer prepared from the compound, and composition comprising the polymer A composition comprising a polymer containing a compound represented by Formula (1) or a salt thereof as a constituent monomer, or a polymer containing a structure represented by Formula (9) as a partial structure is used for protecting or improving skin.... | 03/09/2004 |
| 6642337 | Stabilized cyanoacrylate adhesives The problem addressed by the invention was to find an anionic polymerization inhibitor for cyanoacrylate adhesives containing one or more cyanoacrylates, stabilizers against anionic and radical polymerization and auxiliaries typically used in such adhesiv... | 11/04/2003 |
| 6639034 | Dispersant-viscosity improvers for lubricating oil compositions A process for preparing nitrogen-containing copolymers useful as dispersant-viscosity improvers for lubricating oil compositions, additive concentrates and lubricating oil compositions are described.... | 10/28/2003 |
| 6627719 | Cationic latex terpolymers for sludge dewatering A cationic latex terpolymer prepared by polymerizing from about 1 to about 99.1 mole percent of one or more cationic monomers, from about 0.9 to about 5 mole percent of one or more hydroxyalkyl (meth)acrylates and from 0 to about 98.1 mole percent of one ... | 09/30/2003 |
