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| Number | Title | Issue Date |
| 7361727 | Copolymerization of 1,4-dioxan-2-one and a cyclic ester monomer producing thermal stabilized 1,4-dioxan-2-one (co)polymers A polymerization process to derive a thermal-stabilized poly(1,4-dioxan-2-one) and cyclic ester monomer copolymer using a coordination-insertion catalyst/initiator. 1,4-dioxan-2-one and cyclic ester monomer, each containing less than 100-ppm water and having an acid... | 04/22/2008 |
| 7342084 | Peroxidically crosslinked hydrogenated vinylpolybutadienes and their use for production of technical rubber products with good recovery performance over a wide temperature range The present invention provides peroxidically crosslinked hydrogenated vinylpolybutadienes which serve for production of technical rubber products and which have very good recovery performance over a wide temperature range. ... | 03/11/2008 |
| 7259217 | Controlled-architecture polymers and use thereof as separation media Controlled architecture polymers made preferably with acrylamide type monomers are prepared in living-type or semi-living-type free radical polymerizations, with the architecture preferably being other than linear, such as star, branched, grafted or hyper-branched. ... | 08/21/2007 |
| 7223460 | Rubber modified styrenic copolymers and their use in disposable card applications A thermoplastic sheet that includes a continuous phase and a dispersed phase, where A) the continuous phase contains a polymer composition resulting from the polymerization of a monomer mixture containing a styrenic monomer and an ... | 05/29/2007 |
| 7196141 | Polymer and epoxy resin compositions The present invention provides a vinyl polymer with an epoxy group terminally introduced therein and an epoxy resin composition comprising (A) an epoxy resin and (B) a vinyl polymer which has a main chain produced by living-radical polymerization and has a reactive ... | 03/27/2007 |
| 7195816 | Acrylic film and laminates comprising the same To provide an acrylic film, composed of a resin composition (C) that includes an acrylic graft copolymer (A) containing an acrylic ester rubber-like polymer and a methacrylic polymer (B) containing 80% by weight or more of methyl methacrylate, wherein (1) the conten... | 03/27/2007 |
| 7101937 | Dendritic based macromolecules Macromolecules in the shape of three-dimensional kites, barbells, and other shapes are disclosed. The shaped macromolecules are prepared the reaction of one or more dendritic polymers and a linear polymer. The kite-shaped macromolecules are dendritic polymers attach... | 09/05/2006 |
| 7094832 | Polymer particles and process for production thereof The present invention suggests thermoplastic polymer particles for molding, which can solve all at once the problem of fine powder caused by suspension polymerization process, the problem of reducing energy consumption when drying caused by emulsion polymerization p... | 08/22/2006 |
| 7060751 | Graft polymers based on ethylene/α-olefin rubbers and process for their production A thermoplastic molding composition comprising a graft polymer is disclosed. The graft polymer contains: a) a continuous phase containing the polymerized product of at least one vinylaromatic monomer and at least one ethylenically ... | 06/13/2006 |
| 7056984 | Acrylic syrup and method of producing same Disclosed is an acrylic syrup containing a vinyl monomer (A) of methyl methacrylate and a polymerized solid component (B) which is a high polymer of said vinyl monomer and has a weight average molecular weight of from 30,000 to 2,000,000 as measured by the GPC and a... | 06/06/2006 |
| 7015282 | Impact additive of the core/shell type for thermoplastic polymers The invention relates to an impact additive of the core/shell type for thermoplastic polymers. This impact additive comprises a crosslinked elastomeric core based on n-alkyl acrylate and a shell made of poly(alkyl methacrylate) grafted onto said core. ... | 03/21/2006 |
| 6972275 | Oil-in-oil emulsion lubricants for enhanced lubrication Novel oil-in-oil emulsions and methods of lubrication using the same are provided. The lubricants are stable emulsions of carrier fluid and high viscosity fluid that display superior properties related to lubricating film thickness and reduced shear strength. ... | 12/06/2005 |
| 6939917 | Impact-resistant composition based on thermoplastic methacrylic (co)polymer The impact-resistant thermoplastic compositions comprising (A) a rigid thermoplastic methacrylic polymer or copolymer matrix P containing mostly methyl methacrylate units, (B) at least one impact-modifying additive and (C) at least one elastomer copolymer which cont... | 09/06/2005 |
| 6927273 | Process for preparing substituted polyarylene ethers Processes for preparing polymers of the formula wherein m is 0 or 1, X is chlorine, bromine, or iodine, and n, e, and f are each, independently of the others, integers wherein e may be 0 and n and f are each at least 1... | 08/09/2005 |
| 6908670 | Laminated extruded resin sheet The present invention provides a laminated extruded resin sheet comprising a methyl methacrylate resin produced by laminating resin layers (B) on both surfaces of a resin layer (A) by a multilayer-extrusion molding method, the resin layer (A) being made by dispersin... | 06/21/2005 |
| 6852799 | Universal compatibilizing agent for polyolefines and polar plastics Product, method and use of a copolymer AB as a compatibilizing agent between a polar thermoplastic polymer C and a polyolefine D. The method of making AB comprise the steps of: a) melting a copolymer (A) comprising a larger amount of methylmethacrylate units and a s... | 02/08/2005 |
| 6822052 | Toughened cyanoacrylate adhesives containing alkene-acrylate copolymers and method for production A toughened cyanoacrylate adhesive composition including a cyanoacrylate monomer and an elastomeric copolymer soluble in the monomer, the copolymer being the reaction product of an olefin C2-20 and a (meth)acrylate ester. The invention further discloses n... | 11/23/2004 |
| 6803423 | (Meth)acryloyl group-modified ethylene-alpha-olefin copolymer, production method thereof and rubber composition An (meth)acryloyl group-modified ethylene-α-olefin copolymer (A) which has (meth)acryloyl group as a the side-chain thereof, wherein the intrinsic viscosity [η] was 0.01 to 10 dl/g measured in decalin at a temperature of 135° C.; and a rubber composition which co... | 10/12/2004 |
| 6765058 | Scorch extending curing/crosslinking compositions A crosslinkable composition of a polymeric thermoplastic and/or elastomeric material which is susceptible to scorching when processed at elevated temperatures, prior to crosslinking, in the presence of a free radical initiator, is protected against such scorching by... | 07/20/2004 |
| 6750297 | Artificial pigment and method for preparing the same The present invention relates to an artificial pigment and a method of preparing the same, specifically, to an artificial pigment with excellent dry pick resistance and to a method of preparing the same. In order to accomplish the present invention, there is provide... | 06/15/2004 |
| 6734230 | Procedure for obtaining modified acrylic sheets of high impact resistance A procedure for the production of a modified acrylic sheet with high impact resistance, of the type in which a prepolymerization is done of a mix of monomers with a polymer of dissolved dienic monomers. The procedure is done in batches at low temperatures without th... | 05/11/2004 |
| 6723796 | Processes for preparing grafted copolymers Methods are disclosed for making graft copolymers. The methods comprise the steps of: (a) providing (i) an ethylene/propylene (EP) copolymer or other graftable polymer, (ii) an ethylenically unsaturated sulfur-, nitrogen- and/or oxygen-containing monomer, and (iii) ... | 04/20/2004 |
| 6716956 | Process for preparing polyarylene ethers Disclosed is a process for preparing a polymer of the formula wherein x is an integer of 0 or 1, A is one of several specific groups, such as B is one of several specified gr... | 04/06/2004 |
| 6706821 | Michael addition products of amine terminated polyolefins and polyfunctional acrylates Adducts of polyfunctional acrylates and amine terminated polyolefins are provided. The adducts are prepared via a Michael addition reaction of the acrylate and the amine terminated polyolefin. The resultant adducts can be further polymerized with acrylic monomers vi... | 03/16/2004 |
| 6663953 | Fresnel lens base sheet A Fresnel lens base sheet is provided which is suitable for the formation of a lens layer of an ultraviolet-cured resin and has excellent impact resistance and environmental resistance. The Fresnel lens base sheet comprises a specific rubber-modified styr... | 12/16/2003 |
| 6645562 | Method of preparing a curable coating and curing thereof A method of preparing a curable coating and a method of curing the curable coating are disclosed. The curable composition from which the curable coating is prepared may be applied to the surface of a substrate in neat form or in aqueous medium to produce ... | 11/11/2003 |
| 6639012 | High rubber impact modifier powders A powdery high rubber impact modifier composition containing two or more populations of polymer particles having a total rubbery weight fraction of greater than 90 weight percent is provided. Aqueous polymer particle dispersions for preparing these high r... | 10/28/2003 |
| 6608143 | Acrylic copolymer, acrylic pressure-sensitive adhesive composition, acrylic pressure-sensitive adhesive tape or sheet, and acrylic adhesive composition Acrylic copolymers are provided which have polymeric portions having different polarities or glass transition temperatures, which permit easy selection of combinations of such polymeric portions having different polarities or glass transition temperatures... | 08/19/2003 |
| 6569951 | Elastic-thermoplastic graft polymers prepared by multi-stage free radical polymerization An elastic-thermoplastic graft polymer prepared by a multi-stage free radical polymerization is described. The elastic-thermoplastic graft polymer is prepared by polymerizing (i) one or more monomers containing vinyl groups, and (ii) at least one molecula... | 05/27/2003 |
| 6515079 | Preparation of thermoplastic molding compositions In a process for preparing thermoplastic molding compositions by a) polymerizing, in aqueous emulsion, dienes, C1 -C12 -alkyl acrylates or mixtures of these, where from 0 to 30% by weight of these monomers may have been replaced by other ... | 02/04/2003 |
| 6506845 | Method of preparing rubber substrate A method of preparing rubber substrate is provided. In the method, 50 to 95 parts by weight of conjugated diene monomer is first-polymerized, until the resulting first rubber substrate has gel content of 5 to 70 wt %. Thereafter, the first rubber substrat... | 01/14/2003 |
| 6476129 | Thermoplastic elastomer composition with superior oil resistance The present invention relates to a novel thermoplastic elastomer composition with superior oil resistance along with elastomeric flexibility, creep resistance at high temperature, superior mechanical strength and moldability. The composition comprises (a)... | 11/05/2002 |
| 6448342 | Transparent butadiene-based rubber-reinforced resin and composition containing the same The present invention relates to a transparent butadiene-based rubber-reinforced resin produced by graft-polymerizing monomer components (b) comprising as main components an aromatic vinyl compound, a vinyl cyanide compound and an acrylic or methacrylic a... | 09/10/2002 |
| 6433098 | Process of preparing curable compositions and compositions therefrom The invention relates to a curable composition and a process of preparing the curable composition. The process comprises (a) forming an oligomer from oligomerization of a mixture of a monomer A having a functional group and a monomer B at a temperature in... | 08/13/2002 |
| 6423783 | Modified rubber polymer latex Process for forming a modified polymer having unsaturated carbon/carbon bonds including taking or making a colloidal dispersion of the polymer in an aqueous medium, swelling the polymer in the colloidal particles with at least one polymerizable monomer ha... | 07/23/2002 |
| 6414102 | Linear copolymers of alpha-olefins and divinylbenzene having narrow molecular weight and composition distributions, graft copolymers derived therefrom, and process for preparing same The invention relates to polyolefin copolymers (I) ##STR1## and to graft copolymers (II) ##STR2## which are prepared from the copolymers (I), wherein the copolymers (I) are linear copolymers containing divinylbenzene comonomer units selected from the... | 07/02/2002 |
| 6410652 | Processes for preparing grafted copolymers Methods for making graft copolymers include (a) providing (i) an ethylene/propylene 9EP) copolymer or other graftable polymer, (ii) an ethylenically unsaturated sulfur-, nitrogen- and/or oxygen-containing monomer, and (iii) an amount of an initiator suffi... | 06/25/2002 |
| 6395839 | Grafted and crosslinkable pulverulent thermoplastic polyolefin composition which has elasticity and flexibility properties A bulk polymerized grafted and crosslinkable thermoplastic polyolefin powder composition having elasticity and flexibility properties, which is in the form of a powder intended for the production of flexible coatings by free flow over a hot mold, characte... | 05/28/2002 |
| 6387497 | Synthetic organic particles, process for the production of the same, and use thereof Synthetic organic particles each constituted of a core made from an organic polymer and a surface layer formed from a methacrylate resin on the surface of the core. In one of the particles, the core is made from a copolymer comprising 80 to 99 weight perc... | 05/14/2002 |
| 6384146 | Graft, graft-block, block-graft, and star-shaped copolymers and methods of making them The present invention relates to a continuous method of preparing a block-graft or star-shaped copolymer. This method involves providing a living polymer, mixing the living polymer with a first monomer under conditions effective to produce a block copolym... | 05/07/2002 |
