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| Number | Title | Issue Date |
| 7989567 | Method for production of water/oil repellent composition and article To provide a method for producing a water/oil repellent composition which can impart water/oil repellency to a surface of an article and has excellent durability (wash durability and heavy-rain durability) and an article which has water/oil repellency and is less su... | 08/02/2011 |
| 7923518 | Nitrile rubbers The present application provides novel nitrile rubbers comprising repeating units of at least one α,β-unsaturated nitrile, at least one conjugated diene and optionally one or more further copolymerizable monomers which nitrile rubbers are distinguished by a specif... | 04/12/2011 |
| 7405264 | Polycarboxylic acid copolymer, production method and use thereof It is an object of the present invention to provide a polycarboxylic acid polpolymer which improves the water reducing capacity and workability of cement compositions and the like and making them easier to handle when the fluidity and water reducing capacity are at ... | 07/29/2008 |
| 7402271 | Castable liquid rubber compositions for golf balls A golf ball comprising a layer made from a liquid rubber composition is disclosed. A castable liquid polybutadiene is the preferred principal rubber component. The molecular weight of the castable liquid polybutadiene is at least about 1,000 and the castable liquid ... | 07/22/2008 |
| 7384992 | Rosin-fatty acid ester vinylic polymers This invention relates to novel rosin-alkyl ester of unsaturated fatty acid vinylic polymer and emulsion compositions and the processes for preparing them. In particular, the invention relates to novel rosin-alkyl ester of unsaturated fatty acid vinylic polymer and ... | 06/10/2008 |
| 7351754 | Water-based ink A water-based ink comprising a colorant and a water-insoluble polymer having at least two hydroxyl groups at its end; a water-based ink comprising a water-insoluble polymer having an ionic group at its end and a pigment; and a process for preparing a water-based ink... | 04/01/2008 |
| 7262238 | Resin composition The present invention refers to a resin composition comprising an ester compound and a polymer, wherein the ester compound and the polymer are obtainable by reacting a diene, a dienophile and a carboxylic acid. The invention also refers to adhesive compositions comp... | 08/28/2007 |
| 7220808 | Thiol compound, copolymer and method for producing the copolymer By resolving objections in the prior art, provided are a novel copolymer suitable as a coating polymers which is excellent in adhesion to a substrate and can be used suitably as the polymer for the coating film having durability against pattern collapse in the finer... | 05/22/2007 |
| 7214751 | Radical polymerization method performed in the presence of disulfide compounds The invention relates to a method of preparing a composition of living polymers comprising a non-photoinitiated radical polymerization step using a composition consisting of: at least one ethylenically unsaturated monomer, preferably a methacrylic monomer, at least ... | 05/08/2007 |
| 7169867 | Catalyst for bulk polymerization A catalyst for bulk polymerization of a polymerizable unsaturated compound of the invention comprises a compound having at least one thiol group and a secondary hydroxyl group and represented by the following formula (I): ... | 01/30/2007 |
| 7165839 | Method for producing tinted contact lenses The invention provides a method of producing a full-body tinted contact lens. The method of the invention comprises the steps of: preconditioning particles of a pigments; dispersing the preconditioned pigment particles in a polymerizable fluid composition to obtain ... | 01/23/2007 |
| 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 |
| 7151153 | Use of hyperbranched polyurethanes for producing printing inks Hyperbranched polyurethanes are used for the preparation of printing inks and of printing varnishes. Printing inks and printing varnishes contain the hyperbranched polyurethanes as binders. ... | 12/19/2006 |
| 7151154 | Graft polymer curatives and polyurethanes formed therefrom Graft polymer curatives comprise a side chain having an average molecular weight of at least about 500, a main chain having an average molecular weight of less than about 200, and diol functionality on the main chain. The graft polymer curative is formed via free ra... | 12/19/2006 |
| 7144928 | UV-transparent pressure sensitive adhesive A UV-transparent pressure sensitive adhesive comprising (a) a copolymer of (a1) from 75 to 99.8% by weight of acrylic esters and/or methacrylic esters of the formula CH2═CH(R1)(C... | 12/05/2006 |
| 7115672 | Production method of porous resin A production method of a porous resin or an intermediate therefor, which comprises a step of producing a styrene-acyloxystyrene-divinylbenzene copolymer comprising suspension copolymerization of a styrene monomer, an acyloxystyrene monomer and a divinylbenzene monom... | 10/03/2006 |
| 7105602 | Processing aid for thermoplastic resin and thermoplastic resin composition containing the same The present invention provides a processing aid for thermoplastic resin having a weight average molecular weight of 10,000 to 300,000, which is obtained by polymerizing an alkyl (meth)acrylate, or an alkyl (meth)acrylate and another vinyl monomer copolymerizable the... | 09/12/2006 |
| 7098281 | Plastic optical fiber, optical fiber cable, optical fiber cable with plug, method for producing methyl methacrylate based polymer and method for producing plastic optical fiber This invention provides a process for manufacturing a methyl methacrylate polymer comprising the steps of feeding a monomer containing at least 80 wt % of methyl methacrylate and a radical polymerization initiator represented formula (III) to a reactor; polymerizing... | 08/29/2006 |
| 7094833 | Block copolymer Provided are a block copolymer including a polymer block containing acrylonitrile or methacrylonitrile as a principal constituent, which is excellent in heat resistance, weatherability, oil resistance, flame retardancy, and low-temperature resistance and which can b... | 08/22/2006 |
| 7084224 | Use of C-C-polymercaptopolyols as regulators in solution or precipitation polymerization The present invention relates to C4–C6-polymercaptopolyols as regulators in the free-radically initiated solution and precipitation polymerization of ethylenically unsaturated monomers. ... | 08/01/2006 |
| 7060762 | Preparation of aqueous styrene-butadiene polymer dispersions A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M that comprises styrene, butadiene, and if desired up t... | 06/13/2006 |
| 7060736 | Blowing agent solubility in polymers The selection of additives to improve the solubility of blowing agents may be facilitated by using a method that involves determining and comparing the activity coefficients of prospective additives to the activity coefficients of candidate blowing agents in a given... | 06/13/2006 |
| 6992138 | Polyurethane polymer Provided is a polyurethane polymer which is excellent in oil resistance, weatherability, light resistance, heat resistance, hot water resistance, hydrolysis resistance, strength, chlorine resistance, and chemical resistance, and which can be produced simply and econ... | 01/31/2006 |
| 6987153 | Latex binder for nonwoven fibers and article made therewith The invention relates to a latex that may be utilized as a binder for nonwoven applications to form a permeable sublayer of personal hygiene articles. The latex is prepared by a process including the steps of (1) polymerizing a monomer mixture comprising styrene, it... | 01/17/2006 |
| 6972311 | Optimizing polystyrene in the presence of additives It has been discovered that improved polystyrene products may be obtained by polymerizing styrene in the presence of at least one multifunctional initiator, at least one chain transfer agent, and at least one cross-linking agent. The presence of the multifunctional ... | 12/06/2005 |
| 6930141 | Aqueous polymer blend composition An aqueous polymer blend composition including a predominant amount of soft polymer particles and a minor amount of hard polymer particles is provided. The soft polymer particles contain, as copolymerized units, 70 to 99.7% by weight monoethylenically unsaturated (m... | 08/16/2005 |
| 6887933 | Aqueous acrylic emulsion polymer composition An aqueous acrylic emulsion polymer including, as copolymerized units, 70 to 99.5% by weight, based on dry polymer weight, monoethylenically unsaturated nonionic (meth)acrylic monomer and from 0.3 to 10% by weight, based on dry polymer weight, monoethylenically unsa... | 05/03/2005 |
| 6809165 | Method for producing polymers A process for the preparation of polymers is described, wherein at least one first ethylenically unsaturated monomer is subjected to a free radical polymerization in the presence of stable free radicals or sources of stable free radicals and of a compound having at ... | 10/26/2004 |
| 6806331 | Process for bulk polymerization using a catalyst A catalyst for bulk polymerization of a polymerizable unsaturated compound comprises a compound having at least one thiol group and a secondary hydroxyl group and represented by the following formula (I): wherein R | 10/19/2004 |
| 6727327 | Aqueous n-butyl acrylate copolymer dispersions for use as laminating adhesives The present invention provides aqueous polymer dispersions comprising at least one particulate polymer P having a glass transition temperature Tg of less than 0° C. which is composed of ethylenically unsaturated monomers M including: i. from 60 to... | 04/27/2004 |
| 6720399 | UV-crosslinkable acrylic hotmelt PSAs with narrow molecular weight distribution A polyacrylate pressure sensitive adhesive, having an average molecular weight Mw (weight average) of from 100 000 to 600 000 g/mol a polydispersity of not more than 3.0 copolymerized photoinitiator units, and a process for pre... | 04/13/2004 |
| 6680362 | Ring-opened azlactone initiators for nitroxide-mediated polymerization Initiators for nitroxide-mediated radical polymerizations are described. The initiators have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers.... | 01/20/2004 |
| 6677413 | Azlactone initiators for nitroxide-mediated polymerization Initiators for nitroxide-mediated radical polymerizations are described. The initiators have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers.... | 01/13/2004 |
| 6649708 | Process for producing polymer particles To provide a process for producing polymer particles which are spherical and have smooth surfaces and small contents of oil- and the solvent-soluble at the time of being compounded. Polymer particles are produced by adding 0.099 to 47 parts by mass of a c... | 11/18/2003 |
| 6646068 | Polymer composition Branched polymers are prepared by mixing together monofunctional vinylic monomer with from 0.3 to 100% w/w of polyfunctional vinylic monomer and from 0.0001 to 50% w/w of chain transfer agent and thereafter reacting the mixture to form a polymer. The resu... | 11/11/2003 |
| 6605682 | Resin molded article for optical product and light transmitting plate comprising the same The invention provides a resin molded article for optical products comprising a copolymer predominantly composed of methyl methacrylate and a styrenic monomer, wherein the number of foreign bodies contained in the resin molded article having a length of 2... | 08/12/2003 |
| 6605681 | Process for the continuous production of epoxylated addition polymers, and powder and liquid coating applications containing epoxylated addition polymers A process is disclosed for a continuous, high temperature polymerization process for preparing a free radically polymerized epoxy-functional polymeric product. The process comprises continuously charging into a reactor at least one epoxy-functional acryli... | 08/12/2003 |
| 6492470 | Thermosetting acrylic gel coat An invention is disclosed which pertains to components for gel coat compositions, a process for making such gel coat compositions, and a process for making gel coated articles. Low molecular weight unsaturated polymers which incorporate multiple pendent a... | 12/10/2002 |
| 6462157 | Methylmethacrylate/acrylic acid copolymer antinoise sheets Antinoise and flame-resistant barriers formed by supports and by sheets fixed thereon, characterized by the fact that the sheets consist of a methylmethacrylate copolymer and acrylic acid comprised between 1 and 20% by weight.... | 10/08/2002 |
| 6395804 | Polyelectrolyte dispersants for hydrophobic particles in water-based systems Dispersants that strongly adsorb to hydrophobic particles in aqueous media are described. The dispersants comprise one or more polyelectrolyte(s) and further comprise a hydrophobic hydrocarbon moiety. Suspensions and inks comprising the dispersants are al... | 05/28/2002 |
