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| Number | Title | Issue Date |
| 7855261 | Aldehyde removal Disclosed are filter elements constructed of a filter support material coated with an acetoacetate-functional polymeric composition that reacts with and removes aldehydes, especially formaldehyde, present in gases such as air. Also disclosed are methods for the remo... | 12/21/2010 |
| 7465774 | Use of copolymers of carboxylic acids and long-chain compounds with isolated C-C multiple bonds as thickeners or dispersants The use of copolymers obtainable by the radically initiated polymerization of A) 50 to 99.9 wt % of an olefinically unsaturated C3 to C5 monocarboxylic acid, an olefinically unsaturated C4 to C8 dicarboxylic acid or its anhydride, or a mixture of such carboxylic aci... | 12/16/2008 |
| 7388122 | Dewaxing aid The present invention relates to dewaxing aids comprising the mixture of two or more polyalkyl(meth)acrylates having an exothermic heat initiation temperature within the specific range when chilled at 30° C./minute rate, to be added together with the wax-containing... | 06/17/2008 |
| 7371796 | Copolymers of vinyl alcohol and itaconic acid for use in paper coatings The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95% hydrolyzed... | 05/13/2008 |
| 7354476 | Inkjet ink composition An inkjet ink composition having a binder including an aqueous dispersion of polymer particles, the polymer comprising as polymerized units from 3 to 20 wt. % monoethylenically unsaturated acid monomer, based on polymer weight, and having a glass transition temperat... | 04/08/2008 |
| 7304116 | Braided comb-shaped salt-resistant polymer thickening agent A braided comb-shaped salt-resistant thickening agent for tertiary oil extraction from class I oil reservoir is disclosed. The agent is polymerized with monomer (A) and monomer (B), and monomer (A) is one or multiple water soluble non-saturated compound(s) wi... | 12/04/2007 |
| 7285610 | Synthesis method for polymers by controlled radical polymerisation with xanthates A polymer composition and method of preparing same is described wherein an ethylenically unsaturated monomer is contacted with a source of free radicals and a compound of formula (1A), (1B) and (1C) as defined herein. The polymer composition may be a homopolymer or ... | 10/23/2007 |
| 7264866 | Laminate film The object of the present invention is to provide a laminated film excellent in light resistance, scratch resistance, transparency, dimensional stability and adhesion to a hard coating layer. The present invention is a laminated film comprising a base material layer... | 09/04/2007 |
| 7232875 | Preparation of comb-branched polymers A comb-branched polymer is disclosed. The polymer comprises recurring units of an unsaturated carboxylic monomer, an oxypropylene-rich poly(oxyethylene-oxypropylene) macromonomer and an oxyethylene-rich poly(oxyethylene-oxypropylene) macromonomer. The comb-branched ... | 06/19/2007 |
| 7175918 | Polyolefin compositions The present invention relates to polyolefin compositions that incorporate an acrylic/polyether comb-branched copolymer, articles made from the compositions, such as polyolefin films and polyolefin fibers, and methods for making the compositions and the articles.... | 02/13/2007 |
| 7049373 | Process for preparation of graft polymers A polymerization process is provided for the preparation of graft (co)polymers. An embodiment of the polymerization process of the present invention comprises copolymerizing macromonomers with (co)monomers utilizing a macroinitiator to form a graft (co)polymer. A fu... | 05/23/2006 |
| 7005082 | Fluorine-free fire fighting agents and methods A foam concentrate provides a fire-fighting composition when mixed with water so that the fire-fighting composition does not form a stable seal on cyclohexane and meets UL 162, Class B performance criteria for at least one of AFFF agents and fluoroprotein (FP) agent... | 02/28/2006 |
| 6939935 | Anionic polymers of acrylic and/or methacrylic acids and maleic esters, and salts thereof, and their use as cement/concrete additives Anionic polymers obtainable by: (a) esterifying maleic acid or its anhydride with alkyl polyalkylene glycols; (b) copolymerizing the esters obtained with (meth)acrylic acid; and (c) converting the polymers obtained into the salt form by addition of alkali metal base... | 09/06/2005 |
| 6939914 | High stiffness absorbent polymers having improved absorbency rates and method for making the same Superabsorbent polymer materials are provided including absorbent polymers having a fast vortex time, desirably about 10 seconds or less, and a stiffness index of at least about 0.7, as determined by test procedures described herein. The absorbent polymers can be mo... | 09/06/2005 |
| 6900280 | Acid macromonomers and their method of preparation The invention relates to a composition comprising: a) an acid monomer or oligomer of acrylic acid or of an acid derivative of acrylic acid or mixtures thereof; or a mixture of an ethylenically unsaturated monomer or oligomer and an acid monomer or oligomer of acryli... | 05/31/2005 |
| 6881818 | Method of producing allyletherester monomers for production of cement dispersants Allyletherester monomers to be used as an intermediate product for the production of graft copolymers and/or their salts for use as cement dispersants are prepared by an esterification reaction of α-allyl-ω-hydroxy-polyoxyalkylene refined so as to have peroxide va... | 04/19/2005 |
| 6858678 | Continuous bulk polymerization and esterification process and compositions including the polymeric product A continuous bulk polymerization and esterification process includes continuously charging into a reaction zone at least one ethylenically unsaturated acid-functional monomer and at least one linear or branched chain alkanol having greater than 11 carbon atoms. The ... | 02/22/2005 |
| 6849703 | Water-soluble polymers of esters made from acrylic acid and alkylpolyalkylene glycols Water-soluble polymers of esters made from acrylic acid and alkylpolyalkylene glycols, obtainable by azeotropic esterification of a mixture of acrylic acid and alkylpolyalkylene glycol in a molar ratio of from 2 to 3:1 in the presence of at least 85% by weight, base... | 02/01/2005 |
| 6828401 | Preparation method of peg-maleimide derivatives The present invention relates to novel synthetic methods for PEG-maleimide derivatives, specifically, novel synthetic methods for PEG-maleimide. The final products thereof are useful as a pegylation reagent in the field of bioengineering and the medicinal field or t... | 12/07/2004 |
| 6822064 | Polymerizable macromers and preparation thereof The present invention relates to a polymerizable macromers for applications in medicine and biotechnology and synthesis thereof. Macromers comprises polyvalent various carbohydrates including N-Acetyl Glucosamine(NAG) which bind more efficiently to lysozyme than NAG... | 11/23/2004 |
| 6822062 | Supported group 8-10 transition metal olefin polymerization catalysts Methods for preparing olefin polymers, and catalysts for preparing olefin polymers are disclosed. The polymers can be prepared by contacting the corresponding monomers with a Group 8-10 transition metal catalyst and a solid support. The polymers are suitable for pro... | 11/23/2004 |
| 6809164 | Synthesis method for polymers by controlled radical polymerisation with xanthates The invention concerns a method for preparing polymers, characterised in that it consists in contacting: at least an ethylenically unsaturated polymer, at least a source of free radicals, and at least a compound of general formula (IA) wherein R2 represen... | 10/26/2004 |
| 6794467 | Process for the preparation of polymeric absorbents The invention discloses a process for the preparation of polymeric absorbents useful for gelling organic liquids. The process comprises mixing one or more monomers with a cross-linking agent, a free radical initiator, an optional solvent, optionally in the presence ... | 09/21/2004 |
| 6765077 | Negative-chargeability control resin A negative-chargeability control resin containing a specific vinyl copolymer imparts stable chargeability to toner. The vinyl copolymer is obtainable by copolymerizing a monomer composition which contains at least i) a vinyl monomer (A) as exemplified by N-acryloylm... | 07/20/2004 |
| 6762268 | Acetal group containing norbornene copolymer for photoresist, method for producing the same and photoresist composition containing the same An acetal group containing norbornene-based copolymer useful for a photoresist composition, a method for producing the same, and a photoresist composition containing the same are disclosed. According to the present invention, a copolymer of the present invention has... | 07/13/2004 |
| 6762220 | Cement additive A cement additive comprising a polycarboxylic acid type copolymer and/or a salt thereof and a polyalkylene glycol derivative, wherein said polycarboxylic acid type copolymer contains one or more species of copolymers composed of at least an unsaturated polyalkylene ... | 07/13/2004 |
| 6743520 | Polymeric film A primer useful in the preparation of an anti-fouling surface contains (I) a copolymer formed from acrylates, free carboxyl group containing monomer and an aromatic sulfonic acid or salt, an acrylic polymeric resin and a cross-linking agent. ... | 06/01/2004 |
| 6709735 | Oxygen barrier coating and coated film A film with excellent oxygen barrier properties is disclosed. A barrier coating used thereon is also disclosed, including polyvinyl alcohol and a copolymer of maleic acid and acrylic acid, and wherein the copolymer of maleic acid and acrylic acid has a weight averag... | 03/23/2004 |
| 6706836 | Hydrophilic polymers, pressure sensitive adhesives and coatings A method for the preparation of gel-free poly 2-hydroxyethyl methacrylate substantially in the absence of a chain transfer agent, comprising introducing monomeric 2-hydroxyethyl methacrylate containing ethylene glycol dimethacrylate impurities in the range of about ... | 03/16/2004 |
| 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 |
| 6689853 | Process for producing polymers by free radical polymerization and condensation reaction, and products related thereto The present invention provides a high temperature continuous polymerization and condensation process for preparing a polymeric product. The process includes continuously charging into a reaction zone: at least one radically-polymerizable monomer having a ... | 02/10/2004 |
| 6624274 | Polymers having novel cure system The present invention provides a polymer composition capable of being cured or crosslinked in the absence or without the use of conventional sulfur and accelerator cure systems. The polymer is formed from olefinically unsaturated monomers and includes at ... | 09/23/2003 |
| 6624243 | Functionalized copolymers for preparing coating compositions The invention provides functionalized copolymers in the form of their aqueous dispersions or water-redispersible powders, based on a) one or more monomers from the group consisting of vinyl esters of unbranched or branched alkylcarboxylic acids having 1 to... | 09/23/2003 |
| 6617389 | Aqueous polymer dispersion for use in water based glossy lacquers An aqueous polymer dispersion is disclosed for use in coating compositions comprising monomer compositions A and B, wherein the difference of the Tg of A and B after monomer polymerization is at least 60° C. and with the highest of such T... | 09/09/2003 |
| 6586510 | Removable emulsion pressure-sensitive adhesives Improved, removable PSA compositions and constructions contain an emulsion acrylic PSA copolymer of a plurality of acrylic monomers and at least one multifunctional crosslinking monomer, compounded with a wax and a plasticizer. Peel forces required to rem... | 07/01/2003 |
| 6569976 | Amphiphilic polymer composition Polymer compositions derived from selected monoethylenically unsaturated (C3 -C6)carboxylic acid monomers, (C1 -C4)alkyl (meth)acrylate ester monomers and alkoxylated (meth)acrylate monomers used in certain weig... | 05/27/2003 |
| 6569973 | Process for making vinyl caprolactam-based polymers A process of making a vinyl caprolactam (VCL)-based polymer which comprises suspension polymerizing the monomers in aqueous medium in the absence of an added protective colloid, wherein polymer formed at an early stage of the polymerization functions as a... | 05/27/2003 |
| 6566473 | Process for making a vinyl amide polymer composition for skin and hair compositions A non-aqueous, heterogeneous polymerization process comprises heating a reaction mixture of about 5-70%, preferably 10-50%, by weight, of a vinyl amide monomer in an oil as solvent, and a water-soluble cosolvent, and a free radical initiator, optionally i... | 05/20/2003 |
| 6558795 | Strippable coating system A radiation curable coating contains an agent that imparts greater strippability to the cured coating. The agent can be included in the coating or in one or more subsequently applied maintenance coats.... | 05/06/2003 |
| 6552144 | Process for the continuous production of gel free polymers, and powder and liquid coating applications containing gel free polymers A process is disclosed for a continuous, high temperature polymerization process for preparing a gel free polymeric product. The process comprises continuously charging into a reactor at least one monomer such that the reactor is filled to 100 percent of ... | 04/22/2003 |
