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| Number | Title | Issue Date |
| 8013075 | Curable composition A curable composition includes (A) a (meth)acrylate, (B) a radical polymerization initiator, (C) an epoxidized polyisoprene containing an epoxy group at 0.15 to 2.5 meq/g in the molecule and having a number-average molecular weight of 15000 to 200000, and (D) a curi... | 09/06/2011 |
| 7741410 | Epoxidation of isobutene polymers A process is described for epoxidizing an ethylenically unsaturated isobutene polymer, in which an organic phase comprising the isobutene polymer is contacted with an aqueous phase which comprises formic acid and hydrogen peroxide. The process affords essentially qu... | 06/22/2010 |
| 7705092 | Process for producing vinyl polymer The present invention has its object to provide a process for producing a vinyl polymer which can provide a vinyl polymer in such form that a polymerization catalyst is effectively removed from that. The present invention relates to a process for producing a vinyl p... | 04/27/2010 |
| 7705091 | Method of increasing the absorption rate of peroxides into polymer particles The present invention provides a method of increasing the absorption rate of peroxides into polymer particles used to fabricate electrical cable insulation. The method includes contacting the polymer particles with a peroxide compound and an additive under physical ... | 04/27/2010 |
| 7671139 | Functionalized polymers and tires made therefrom A functionalized polymer defined by the formula where π is a polymer chain, R10 is a divalent organic group, and β is a hydroxyl group, an alkoxyl group, or an amine group, where the amine group can be represen... | 03/02/2010 |
| 7652104 | Epoxy resin composition An epoxy resin composition includes (A) an epoxy resin, (B) a curing agent, and (C) an epoxidized polyisoprene (c-1) that contains an epoxy group at 0.15 to 2 meq/g in the molecule and has a number-average molecular weight of 15000 to 200000 or an epoxidized polybut... | 01/26/2010 |
| 7642322 | Functionalized high -1,4-polybutadiene prepared using novel functionalizing agents A functionalized polymer prepared by a process comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated monomer with a lanthanide-based catalyst, and reacting the pseudo-living polymer with a functionalizing agent defined by the formula (... | 01/05/2010 |
| 7632895 | Curable resin composition A curable resin composition includes (A) a cationically polymerizable-compound, (B) a cationic photopolymerization initiator, and (C) an epoxidized polyisoprene containing an epoxy group at 0.15 to 2.5 meq/g in the molecule and having a number-average molecular weig... | 12/15/2009 |
| 7579412 | Method for producing carboxyl-terminated polyisobutenes The present invention relates to a process for preparing carboxyl-terminated polyisobutenes by ozonolysis of polyisobutenes terminated by an ethylenically unsaturated double bond. ... | 08/25/2009 |
| 7473742 | Lead-free insulation compositions containing metallocene polymers Novel additive systems for lead-free filled cable insulation are disclosed. These systems provide improved electrical and mechanical properties. The base polymer may be metallocene based, non metallocene based or combinations thereof. The additives may contain one o... | 01/06/2009 |
| 7439311 | Anti-fouling agent and method for producing the same The present invention provides a method for producing a polymer by conducting polymerization in a polymerization reactor having an inner wall covered with an anti-fouling agent comprising an aqueous solution containing a polyvinyl alcohol obtained through saponifica... | 10/21/2008 |
| 7417093 | Functionalization of olefin/diene copolymers In a process for functionalizing an α-olefin/diene copolymer, a copolymer comprising units derived from at least one α-olefin and units derived from at least one diene, which copolymer contains at least one double bond, is contacted in a reaction medium with an al... | 08/26/2008 |
| 7414095 | Liquid phase process for polymerizing olefins A solution process for polymerizing one or more α-olefins of the formula CH2═CHR, where R is H or an alkyl radical C1-C18, to produce a polymer that is soluble in the reaction medium, comprising the steps of: | 08/19/2008 |
| 7385011 | Method for introducing carbonyl groups into polymers containing double carbon-carbon linkages The invention discloses a method for selectively introducing carbonyl groups into polymers by oxygenation of double C═C bonds of polymers with the aid of nitrous oxide (N2O) at a temperature comprised between 50 and 350° C. and a pressure of N2 | 06/10/2008 |
| 7361712 | Water absorbing agent, process for its production, and absorbers and absorbent articles made by using the agent A water absorbing agent comprising a crosslinked polymer including a water-soluble vinyl monomer (a1) and/or a vinyl monomer (a2) that is formed into the water-soluble vinyl monomer (a1) by hydrolysis, and a crosslinking agent (b) as an essential constituting unit, ... | 04/22/2008 |
| 7354977 | Process for hydroxyalkylating carboxylic acid-functionalized materials The present invention relates to a process for hydroxyalkylating terminal carboxylic acid groups. More specifically, this invention provides a process for preparing hydroxyl-functionalized materials, such as butadiene nitrile polymers, from carboxylic acid-functiona... | 04/08/2008 |
| 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 |
| 7339005 | Process for producing modified diene polymer rubber There is provided a process for producing a both end-modified diene polymer rubber comprising the steps of: (1) polymerizing a conjugated diene monomer or a combination thereof with an aromatic vinyl monomer in the presence of a co... | 03/04/2008 |
| 7297748 | Direct to metal polyurethane coating compositions The invention is directed to a direct to metal coating composition containing an acrylic polyol synthesized with a phosphated monomer having improved adhesion and corrosion resistance characteristics. The invention is also directed to a method for producing a direct... | 11/20/2007 |
| 7279527 | Method of converting anionic living end to protected free radical living end and applications thereof Provided is a method of converting an anionic living end to a protected free radical “living” end in a well-controlled manner, which enables copolymerization by plural mechanisms. The method is particularly useful for copolymerization of anionically polymerizabl... | 10/09/2007 |
| 7279532 | Modified hydrogenated copolymer A modified hydrogenated copolymer comprising a hydrogenated copolymer and a functional group-containing modifier group bonded to the hydrogenated copolymer, wherein the hydrogenated copolymer is obtained by hydrogenating an unhydrogenated copolymer comprising conjug... | 10/09/2007 |
| 7273908 | Chlorosulphonated ethylene-α-olefin copolymer and method for producing the same A chlorosulphonated ethylene-α-olefin copolymer having a chlorine content of 0.5-20% by weight and a glass transition temperature in differential scanning calorimetry (DSC) of −50° C. or lower and being crystalline. The chlorosulphonated ethylene-α-olefin copol... | 09/25/2007 |
| 7259218 | Processes for making temporary wet strength additives Processes for making temporary wet strength additives, more particularly, processes for oxidizing a homo-crosslinking monomeric unit present in a polymer comprising the homo-crosslinking monomeric unit and a cationic monomeric unit to produce a temporary wet strengt... | 08/21/2007 |
| 7238754 | Solid state process to modify the melt characteristics of polyethylene resins and products A process for improving the melt characteristics of polyethylene resins is provided. The process involves contacting a polyethylene resin powder with a low level of free radical initiator at a temperature below the melting point of the resin. ... | 07/03/2007 |
| RE39635 | Optically transparent hydrogels and processes for their production The invention provides hydrogels for use in the production of biomedical devices. In particular, the invention provides hydrogels formed from siloxane prepolymers and a hydrophilic monomer, which hydrogels are optically transparent. ... | 05/15/2007 |
| RE39617 | Butadiene polymers having terminal functional groups Hydrogenated butadiene polymers having terminal functional groups have minimum viscosity at any molecular weight when the 1,2-addition is between 30% and 70% Hydrogenated butadiene polymers having about two terminal hydroxyl groups per molecule have surprisingly low... | 05/08/2007 |
| 7214741 | Peroxide curable butyl formulations The present invention relates to a peroxide curable rubber compound containing at least one elastomeric polymer comprising repeating units derived from at least one C4 to C7 isomonoolefin monomer, at least one C4 to C14 mu... | 05/08/2007 |
| 7202306 | Method for producing modified conjugated diene polymer and rubber composition Disclosed are a method for producing a modified conjugated diene polymer improved in quality stability, more enhanced in low heat buildup and reinforcing ability when used in a rubber composition, excellent in wear resistance, mechanical characteristics and processa... | 04/10/2007 |
| RE39559 | Butadiene polymers having terminal functional groups Hydrogenated butadiene polymers having terminal functional groups have minimum viscosity at any molecular weight when the 1,2-addition is between 30% and 70%. Hydrogenated butadiene polymers having about two terminal hydroxyl groups per molecule have surprisingly lo... | 04/10/2007 |
| 7186780 | Polymer and liquid gasket for in-place forming A liquid sealing agent used for automobile parts, electric parts, various kinds of machine parts and the like has encountered a problem that it is difficult to combine good oil resistance, heat resistance, adhesiveness and flexibility. The present invention provides... | 03/06/2007 |
| 7169857 | Homogenous compositions of fluoropolymers and crystalline solids or cross-linking agents and methods of making the same Fluoroelastomers are combined with chemical agents in the presence of supercritical carbon dioxide by swelling the fluoroelastomer with the carbon dioxide, and impregnating the swollen fluorelastomer with the chemical agent. The process can be conducted at relativel... | 01/30/2007 |
| 7166645 | Process for the alkaline saponification of crosslinked acrylonitrile bead polymers The alkaline saponification of acrylonitrile bead polymers provides weakly acidic cation exchangers with little intrinsic color and with reduced residual nitrogen content if the saponification is begun at a temperature T1 of from 70 to 120° C. and, once a de... | 01/23/2007 |
| 7160958 | Method of increasing the absorption rate of peroxides into polymer particles The present invention provides a method of increasing the absorption rate of peroxides into polymer particles used to fabricate electrical cable insulation. The method includes contacting the polymer particles with a peroxide compound and an additive under physical ... | 01/09/2007 |
| 7160960 | Pressure sensitive adhesive composition and sheet, and adhered article An acryl-based solvent-type pressure sensitive adhesive composition comprising a base component containing a solvent soluble acryl-based polymer, a cross-linking agent, and acetyl acetone, is disclosed. ... | 01/09/2007 |
| 7157141 | Pulverulent polymers crosslinked on the surface The present invention relates to a pulverulent polymer post-crosslinked on the surface and absorbing water or aqueous liquids, synthesised from polymerised, optionally pre-crosslinked monomers containing partially neutralised carboxyl groups. The present invention a... | 01/02/2007 |
| 7138463 | Carbamate functional addition polymers and a method for their preparation A carbamate or terminal urea functional vinyl polymer is prepared by reacting a compound having an hydroxyl group and a carbamate group, terminal urea group, or a group that can be converted to a carbamate or terminal urea group, with a cyclic carboxylic acid anhydr... | 11/21/2006 |
| 7119148 | Glyoxylated polyacrylamide composition strengthening agent A method for making a storage-stable glyoxalated polyacrylamide composition suitable for use as a strengthening agent for paper in which the glyoxal is added to the base polyacrylamide polymer in two portions and a scavenger for aldehyde groups is used. ... | 10/10/2006 |
| 7115685 | Fluoropolymer-carbon dioxide compositions and methods of processing fluoropolymers Fluoropolymer materials containing tetrafluoroethylene monomers, such as PTFE, are significantly swollen by supercritical carbon dioxide at high temperatures and pressures. The swollen fluoropolymer is processable by molding, extrusion, and other techniques. In addi... | 10/03/2006 |
| 7084185 | Method for the production of cross-linkable acrylate contact adhesive materials Process for preparing crosslinked pressure ensitive adhesives, in which a plyacrylate is prepared by the free radical copolymericzation of a monomer mixture , the polyacrylate is then concentrated and the concentrated polyacrylate is reacted with further monomers ha... | 08/01/2006 |
| 7071264 | Branched polymers and coating compositions made therefrom This invention relates to rapid curing coating compositions that are particularly useful for automotive OEM and refinish applications. The coating composition includes a crosslinkable component that contains a novel highly branched acrylic polymer, and a crosslinkin... | 07/04/2006 |
