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| Number | Title | Issue Date |
| 7482412 | Process for manufacturing cycloolefin addition polymer A process for manufacturing a cycloolefin addition polymer includes polymerizing monomers containing a cycloolefin compound using a catalyst containing a nickel compound or a palladium compound by addition polymerization in the presence of a molecular weight control... | 01/27/2009 |
| 7435784 | Method of ethylene polymerization for producing products having various properties with high productivity and a tubular reactor used therefor A method for continuous ethylene polymerization under high pressure using a polymerization reaction zone comprises a primary reaction zone and a secondary reaction zone wherein the secondary reaction zone has a length of 1.5-6.5 times the length of the primary react... | 10/14/2008 |
| 7427651 | Process for producing conjugated diene copolymer rubber A process for producing a conjugated diene copolymer rubber which comprises initiating a copolymerization reaction in a reaction system containing a first conjugated diene compound and a first aromatic vinyl compound and completing the reaction, adding a first polyf... | 09/23/2008 |
| 7399810 | Polymerization of monomers with differing reactivities There is provided a process for producing a polymer comprising the steps of (a) adding at least one low-reactivity monomer to a reaction vessel with a decreasing rate of addition, (b) adding at least one high-react... | 07/15/2008 |
| 7348382 | Polyvinyl alcohol based block copolymer and pigment dispersion aqueous liquid using the same and recording liquid A recording liquid capable of giving a printed matter which is high in printing density, is suppressed in blur, has high printing quality, and has good fastness of a recorded matter including light fastness, water fastness and the like and having a low viscosity, go... | 03/25/2008 |
| 7342064 | Rubber composition for tire and run flat tire having reinforcing layer comprising the same A rubber composition favorably used for a reinforcing layer of a run flat tire, which have both low exothermic property and high strength. A rubber composition for a tire, comprising 10 to 100 parts by weight of carbon black having a nitrogen adsorbing-specif... | 03/11/2008 |
| 7332554 | Polymers with new sequence distributions The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel polymers with new sequence distributions. In particular, the invention relates to copolymers of an isoolefin, preferably isobutylene,... | 02/19/2008 |
| 7332555 | Polymers with new sequence distributions The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel polymers with new sequence distributions. In particular, the invention relates to copolymers of an isoolefin, preferably isobutylene,... | 02/19/2008 |
| 7321016 | Method of producing styrene polymers using high speed catalytic dispersion technology Provided is a method of preparing styrene polymers, the method comprising: homogeneously mixing a styrene monomer; a cocatalyst mixture of Group 13 metal-containing organic metal compound cocatalyst and an inert organic solvent; and a catalyst mixture of a metalloce... | 01/22/2008 |
| 7303821 | Material and process for precisely controlled polymeric coatings This invention provides a chemically coated surface for the electrophoretic separation application. The surface comprises of block copolymers prepared from addition monomers selected from a group consisting of acrylates and its derivatives, metharylates and its deri... | 12/04/2007 |
| 7300988 | Single catalyst low, medium and high density polyethylenes A method of polymerizing olefins comprising combining in one embodiment ethylene and optionally one or more α-olefins with a catalyst composition in a continuous polymerization reactor at a pressure of less than 10,000 kPa; wherein the catalyst composition comprise... | 11/27/2007 |
| 7291685 | Process for producing low polymer of α-olefin There is disclosed a process for producing an α-olefin oligomer by subjecting an α-olefin to oligomerization reaction in the presence of a catalyst and an organic solvent which comprises the step of spraying a solvent containing the organic solvent in the form of ... | 11/06/2007 |
| 7285605 | Batch process for synthesizing rubbery polymers having a high trans microstructure content The present invention is directed to a batch process for synthesizing rubbery polymers, such as styrene-butadiene rubber, having a high trans microstructure. In one embodiment, the batch process involves mixing a catalyst system with styrene and butadiene monomers i... | 10/23/2007 |
| 7285597 | Radical polymerization processes for preparing halogenated polymers, and halogenated polymers Radical polymerization process for the preparation of halogenated polymers employing one or more ethylenically unsaturated monomers, at least one of which is chosen from halogenated monomers, molecular iodine and one or more radical-generating agents chosen from dia... | 10/23/2007 |
| 7282547 | Method for producing 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 containing from 40 to 80% by weight of styrene as monomer M1, from 20 to 60% by weight of butadiene as monomer M2, and from... | 10/16/2007 |
| 7282545 | Method for producing aqueous styrene-butadiene polymer dispersions III A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M containing from 40 to 80% by weight of styrene as monomer M1, from 20 to 60% by weight of butadiene as monomer M2, and from... | 10/16/2007 |
| 7276565 | Continuous miniemulsion polymerization process A process including: heating to a first polymerization temperature a first mixture including a free radical polymerizable monomer, a free radical initiator, and a stable free radical compound to polymerize only a portion of the mon... | 10/02/2007 |
| 7265159 | Monodisperse anion exchangers Process for preparing monodisperse weakly basic or optionally strongly basic anion exchangers of the poly(meth)acrylamide type, the ion exchangers themselves and their use. ... | 09/04/2007 |
| 7247387 | Material and process for controlled thin polymeric coatings on plastic surface This invention provides a chemically coated surface for the plastics surface such as contact lens. The chemical surface coating comprises of at least one addition polymer prepared from addition monomers selected from a group consisting of acrylates and its derivativ... | 07/24/2007 |
| 7232872 | Polymerization processes The invention provides for a process to produce polymers utilizing a hydrofluorocarbon diluent. ... | 06/19/2007 |
| 7223825 | Single catalyst low, medium and high density polyethylenes A method of polymerizing olefins comprising combining in one embodiment ethylene and optionally one or more α-olefins with a catalyst composition in a continuous polymerization reactor at a pressure of less than 10,000 kPa; wherein the catalyst composition comprise... | 05/29/2007 |
| 7220803 | Process for obtaining aqueous polymer dispersions The process comprises the following phases: formation of a pre-emulsion of monomers in water; transfer into the polymerisation reactor with stirring, of (1) reaction stock consisting of a water solution of a surfactant, in an amount by weight relative to the weight ... | 05/22/2007 |
| 7214750 | Polymerization processes The invention relates to new processes to produce polymers utilizing bayonette cooled slurry reactor systems and diluents including hydrofluorocarbons. ... | 05/08/2007 |
| 7208558 | Radical polymerization processes for preparing halogenated polymers, and halogenated polymers Radical polymerization process for the preparation of halogenated polymers employing one or more ethylenically unsaturated monomers, at least one of which is chosen from halogenated monomers, molecular iodine and one or more radical-generating agents chosen from dia... | 04/24/2007 |
| 7196143 | High-softening-point copolymer, process for producing the same, and product of hydrogenation thereof Provided are a high melting point copolymer prepared by heat-polymerizing cyclopentadiene and/or dicyclopentadiene and a vinyl-substituted aromatic compound, wherein a use amount of a solvent in heat polymerization is 0.1 time or more and less than 0.5 time based on... | 03/27/2007 |
| 7196146 | Method for producing aqueous styrene-butadiene polymer dispersions II A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M containing from 40 to 80% by weight of styrene as monomer M1, from 20 to 60% by weight of butadiene as monomer M2, and from... | 03/27/2007 |
| 7173083 | Polymer composition comprising a polymer having a gradient polymeric morphology An aqueous composition comprising components: (A) 50 to 99 wt. % of a vinyl polymer(s) having a gradient polymeric morphology; and (B) 1 to 50 wt. % of at least one polymer not having a gradient polymeric morphology, wherein components (A) and (B) add up to 100%. | 02/06/2007 |
| 7112369 | Nano-sized polymer-metal composites A polymer nanoparticle is provided. The nanoparticle includes an inner layer having alkenylbenzene monomer units. The nanoparticle further includes an outer layer having monomer units selected from conjugated dienes, alkylenes, alkenylbenzenes, and mixtures thereof.... | 09/26/2006 |
| 7101927 | Latex obtainable by a gradient regime reaction A latex having a reduced amount of 4-phenylcyclohexene is obtainable by reacting A) 30–90% by weight of at least one ethylenically unsaturated monomer; B) 70–10% by weight of a diene; C) 1–10% by weight of α,β-unsaturated carboxylic acids, carboxylic acid ni... | 09/05/2006 |
| 7098272 | Method for producing hydroxyl group-containing polymer particles The present invention provides a method for producing hydroxyl group-containing polymer particles including causing cross-linked polymer particles containing a (meth)acrylate polymer to react in the presence of a metal-containing ester-exchange reaction catalyst wit... | 08/29/2006 |
| 7084220 | Catalyst system for preparing styrene polymer and method for preparing of styrene polymer using the same The present invention relates to a catalyst system for preparing styrene polymer and a method of preparing styrene polymer using the same, more particularly to a catalyst system for preparing styrene polymer capable of preventing coagulation of polymer to the reacto... | 08/01/2006 |
| 7078467 | Single catalyst low, medium and high density polyethylenes A method of polymerizing olefins comprising combining in one embodiment ethylene and optionally one or more α-olefins with a catalyst composition in a continuous polymerization reactor at a pressure of less than 10,000 kPa; wherein the catalyst composition comprise... | 07/18/2006 |
| 7078473 | Radical polymerization methods and halogenated polymers Radical polymerization process for the preparation of halogenated polymers and block copolymers. Halogenated polymers and block copolymers. ... | 07/18/2006 |
| 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 |
| 7053163 | Controlled comonomer distribution along a reactor for copolymer production The tendency of copolymer fluff grains of propylene and ethylene to agglomerate is reduced by injecting at least one olefin comonomer, such as ethylene monomer, into more than one point along the length of the reactor, rather than injecting all of the ethylene at on... | 05/30/2006 |
| 7053157 | Method for production of multimodal polyolefins of tunable composition, molecular weight, and polydispersity The present invention relates to a method of producing multimodal polyolefins using at least one or more activated metallocene catalysts. The activated metallocene catalysts are used in combination in a single-process method. The method allows for the production of ... | 05/30/2006 |
| 7049355 | Low-odor, cold-curing (METH) acrylate reaction resin for floor coating, a floor coating containing the reaction resin, and a process for the preparation of the floor coating The present invention relates to a low-odor, polymerizable, cold-curing (meth)acrylate composition for floor coatings exhibiting low health hazards during application and consisting of (A) 50–100 wt % a (meth)acrylate; (B) 0–2 parts by weight per 1 part by weigh... | 05/23/2006 |
| 7041750 | Process and apparatus for making supported catalyst systems for olefin polymerization A process to support a homogeneous catalyst on a porous solid support is performed in two separate zones. In the first zone the solid is contacted, under stirring, with an amount of a catalyst solution lower than the total pore volume of the solid. In the second zon... | 05/09/2006 |
| 7022794 | Process for producing olefin/aromatic vinyl copolymer An olefin/aromatic vinyl compound copolymer which is excellent in transparency and which satisfies flexibility and heat resistance simultaneously can be produced by carrying out polymerization in such a manner that at least one of conditions: (a) the polymerization ... | 04/04/2006 |
| 6946528 | Hot melt adhesives The invention provides a hot melt adhesive composition including a tubular reactor copolymer of ethylene and 5 to 20 mol % of comonomer units derived from an alkyl acrylate or alkyl methacrylate, wherein the copolymer has a melt index of at least 300 g/10 min. The a... | 09/20/2005 |
