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Synthetic resins or natural rubbers -- part of the class 520 series January recently filed with US Patent Office 01/12

20120022222 - Controlling h2 distribution in a horizontal stirred bed reactor: An olefin polymerization process comprises gas-phase polymerization of at least one olefin monomer in more than one polymerization zones in one or more polymerization reactors using a high activity catalyst injected in the front end of the reactor to give solid polymer particles. According to the process of the invention,... Agent:

20120022223 - Polyolefin gas phase polymerization with 3-substituted c4-10-alkene: An alkene interpolymer is prepared by polymerizing at least one 3-substituted C4-10 alkene and at least one C2-8 alkene in a gas phase polymerization using a polymerization catalyst system.... Agent: Evonik Oxeno Gmbh

20120022224 - Particles including zeolite catalysts and their use in oligomerization processes: Embodiments of an invention disclosed herein relate to particles made from zeolite catalysts and their use in oligomerization processes. In particular, shaped particles (for example, spheroid particles) are made from compositions including the contact product of at least one zeolite catalyst and at least one binder.... Agent:

20120022225 - Olefin metathesis polymerisation: A ring-opening metathesis polymerisation (ROMP) reaction is disclosed in which a cyclic alkene compound is subjected to ROMP using a ruthenium ROMP catalyst having heterocyclic ligands in the presence of a compound from which such ligans may be derived. The process includes the step of adding sufficient of an acyclic... Agent:

20120022226 - Mono-hydroindacenyl complexes: The present invention relates to monohydroindacenyl complexes as active catalytic components in the copolymerization of ethylene. The complexes are suitable for direct preparation of ethylene copolymers having a narrow molecular distribution as well as the desired levels of low density and preferably a predetermined value of glass transition temperature Tg.... Agent: Vasell Polyolefine Gmbh

20120016092 - Catalysts based on quinoline precursors: Catalysts useful for polymerizing olefins are disclosed. The catalysts comprise a transition metal complex, an optional activator, and an optional support. The complex is the reaction product of a Group 3-6 transition metal source, an optional alkylating agent, and a ligand precursor comprising a 2-imino-8-anilinoquinoline or a 2-aminoalkyl-8-anilinoquinoline. The catalysts,... Agent:

20120016093 - Recyclable ruthenium catalysts for metathesis reactions: The invention relates to novel carbene ligands and their incorporated monomeric and resin/polymer linked ruthenium catalysts, which are recyclable and highly active for olefin metathesis reactions. It is disclosed that significant electronic effect of different substituted 2-alkoxybenzylidene ligands on the catalytic activity and stability of corresponding carbene ruthenium complexes, some... Agent: Zannan Scitech Co., Ltd.

20120016094 - Redox-curing type composition: The present invention provides a redox-curing type composition that penetrates into a wet body, particularly into a tooth structure (dentin), is cured in an accelerated manner by the moisture contained in the wet body, thereby exhibits a higher bond strength than those of conventional redox-curing type compositions, and has satisfactory... Agent: Kuraray Medical Inc.

20120016095 - A-(unsaturated alkoxyalkyl) acrylate composition and process for production thereof: e

20120016096 - Functional polymers prepared with sulfur-containing initiators:

20120016097 - Olefin oligomerization reaction processes exhibiting reduced fouling: The invention relates to olefin oligomerization methods and methods for reducing/inhibiting fouling in olefin oligomerization reactions comprising: contacting, in an oligomerization reactor (e.g., under oligomerization conditions), an alpha-olefin feed, a catalyst having an olefin selectivity of at least 90 mol % to a desired oligomerization product, a polymer anti-foulant, and... Agent:

20120016098 - Steaming of a polyolefin: A method for treating polymer particles with steam in a steaming vessel downstream a polymerization process, the method comprising contacting polymer particles with a counter-current flow of steam, wherein the flow rate of steam entering said steaming vessel is continuously maintained proportional to the production rate of said polymer in... Agent: Basell Poliolefine Italia S.r.l.

20120016099 - Method of manufacturing artificial snow: A method of manufacturing artificial snow including the steps; a) feeding a bulk material into a first apparatus; b) reducing the particle size of the bulk material in the first apparatus to produce a product; c) sieving the product produced at step b); and d) collecting the product produced at... Agent: Custompac Limited

20120010374 - Multistage process for the polymerization of ethylene: The present invention relates to a slurry process for preparing an ethylene polymer having a melt flow ratio F/P, according to ASTM 1238, of higher than 25, carried out in two or more stages of polymerization at temperatures in the range from 60 to 120° C., in which at least... Agent: Basell Polyolefine Gmbh

20120010375 - Catalysts for producing broad molecular weight distribution polyolefins in the absence of added hydrogen: The present invention provides a polymerization process utilizing a dual metallocene catalyst system for the production of broad or bimodal molecular weight distribution polymers, generally, in the absence of added hydrogen. Polymers produced from the polymerization process are also provided, and these polymers can have a Mn in a range... Agent: Chervon Phillips Chemical Company Lp

20120010377 - Catalyst system for the polymerization of alpha-olefins: The invention refers to a catalyst system for the polymerization of olefins including a diorganohydroborane molecular weight modifier. By addition of diorganohydroborane to the catalyst system it is possible to control the molecular weight of a polyolefin to higher values.... Agent: Basell Polyolefine Gmbh

20120010376 - Multi-component catalyst systems and polymerization processes for forming broad composition distribution polymers: Propylene polymerization processes, polymers and films formed therefrom are described herein. The propylene polymerization processes generally include contacting propylene and an amount of ethylene with a first metallocene catalyst and a second metallocene catalyst within a polymerization reaction vessel to form a propylene based polymer, wherein the amount is an... Agent: Fina Technology, Inc.

20120010378 - Catalyst precursor particles, their preparation and use: A method for preparing a catalyst precursor for an olefin polymerization catalyst involves the use of aqueous or alcoholic solutions of a chromium salt and of boric acid and aluminium carboxylate for deposition onto an inorganic support material, such as a silica xerogel. The chromium salt, aluminium carboxylate and boric... Agent:

20120010379 - Catalyst carrier based on silica gel: The present invention relates to spherical beads comprising at least one metal and/or semimetal oxide, having a mean diameter in the range from 10 to 120 μm, a BET surface area in the range from 400 to 800 m2/g and a pore volume in the range from 0.3 to 3.0... Agent: Basf Se

20120010380 - Photo-reactive norbornene-based copolymer, a method of preparing the same, and an alignment layer including the same: The present invention relates to a photo-reactive norbornene-based copolymer which has superior miscibility to various organic solvents or additives while exhibiting superior liquid crystal alignment property and can be preferably used to an alignment layer of liquid crystal display device, a method of preparing the same, and an alignment layer... Agent: Lg Chem, Ltd.

20120010381 - Compound having photoreactive functional group, photoreactive polymer, and alignment film comprising the same: The present invention relates to a specific photoreactive polymer that shows excellent alignment stability and thermal stability together with excellent liquid crystal alignment, thereby being desirably used in an alignment film of a liquid crystal display device, a compound having a photoreactive functional group that is used as a monomer... Agent:

20120004378 - Solid catalyst component and catalyst for polymerization of olefins, and process for production of olefin polymers using same: P

20120004379 - Initiator system for synthesizing high-vinyl diene rubbers, a method for producing high-vinyl diene rubbers, and use thereof to produce high-vinyl diene rubbers: The present invention relates to an initiator system for synthesizing high-vinyl diene rubbers, to a method for producing diene homopolymers and diene copolymers having a high vinyl content at high polymerization temperatures, and to the use thereof to produce diene homopolymers and diene copolymers having a high vinyl content at... Agent: Lanxess Deutschland Gmbh

20120004380 - Crosslink agents and dual radical cure polymer: Crosslink agents used to copolymerize at least one hydrophilic monomer with at least one lens monomer typically used to prepare polymeric materials for ophthalmic lenses. The crosslink agents have a relatively high selectivity for the hydrophilic monomer and limited reactivity with the crosslink agent used to polymerize the lens monomer.... Agent:

20120004381 - Raft polymerisation: where Y is a Lewis base moiety and Y* is an n-valent Lewis base moiety; X is O or NR1, R1 is as defined above or forms together with Y or Y* and N a heterocyclic ring; m is an integer ≧1; n is an integer ≧2; and where R*... Agent: Commonwealth Scientific And Industrial Research Organisation

20120004382 - Process for the polymerization of vinyl chloride: In a process for the aqueous suspension polymerization of vinyl chloride, alone or in mixture with other monomers, in the presence of at least one of dialkylperoxydicarbonate, peroxyester and diacyl peroxide, the polymerization composition according to the invention comprises at least one dialkylhydroxylamine as a shortstopping agent along with a... Agent: Taminco

20120004383 - Copolymers of monocarboxylic acids and dicarboxylic acids, their preparation and use: The invention relates to a process for preparing a polymer by free-radical polymerization of at least one ethylenically unsaturated monocarboxylic acid and/or a salt thereof, at least one ethylenically unsaturated dicarboxylic acid and/or an anhydride and/or a salt thereof, in the presence of hypophosphorous acid and/or a salt thereof. The... Agent: Basf Se

20120004384 - Substituted benzazoloporphyrazines for polymerization and surface attachment and articles formed therefrom: The present invention provides an article of manufacture formed from a substrate and a benzazoloporphyrazine bound to the substrate. The article may take a variety of different forms and may be for example an electrochromic display, a molecular capacitor, a battery, a solar cell, or a molecular memory device. Methods... Agent:

20120004385 - Maintenance liquid: Disclosed is a maintenance liquid for property carrying out imprints excellent in patternability. The maintenance liquid for imprints of an ink-jet discharging device comprises a compound comprising an ester group and/or an ether group.... Agent: Fujifilm Corporation