Synthetic resins or natural rubbers -- part of the class 520 series inventions 11/08

20080293895 - Polymerization process using a supported, treated catalyst system: The present invention relates to a supported, treated catalyst system and its use in a process for polymerizing olefin(s). More particularly, it provides a supported, treated catalyst system produced by a process comprising the steps of: (a) forming a supported bimetallic catalyst system comprising a first catalyst component and a... Agent: Univation Technologies, LLC

20080293896 - Diene polymerisation: A process and catalyst for producing homopolymers or copolymers of conjugated dienes by polymerising the monomer with a catalyst system comprising (A) a first transition metal compound selected from Cr, Mo and W compounds, and a second transition metal compound selected from Fe Co and Ni compounds (B) a catalyst... Agent: Nixon & Vanderhye, PC

20080293897 - Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom: Adducts are provided comprising MgCl2, ethanol and a Lewis base (LB), said compounds being present in molar ratios defined by the following formula MgCl2.(EtOH)n(LB)p in which n is from 2 to 6 and p has values satisfying the following equation p/(n+p)≦0.1. The said adducts can be used as precursor in... Agent: Basell Usa Inc.

20080293898 - Catalyst for olefin polymerization and polymerization method using the same: d

20080293899 - Methods for oligomerizing olefins: The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a pyridyl amine or a heteroaryl-amine compound. In particular embodiments, the catalyst compound can be used... Agent: Exxonmobil Chemical Company Law Technology

20080293900 - Method for producing highly reactive isobutylene homo-or copolymers using metal-containing catalyst complexes: e

20080293901 - Polymers and compounds prepared with alpha-methylene lactones, methods therefor, and coatings: A method of preparing functional materials for coatings, which may be polymers, oligomers, or compounds, includes polymerizing an alpha-methylene lactone that is reacted, before or after polymerization, with a hydroxy-functional reactant. Coating can be prepared with the reaction products.... Agent: Harness, Dickey And Pierce, P.L.C

20080293902 - Mercaptan mixture: A novel mixture containing a number of particular mercaptans, a process for preparing it and its use as advantageous molecular weight regulator in the production of synthetic rubbers are provided.... Agent: Lanxess Corporation

20080293903 - Optical organic polymer: An organic polymer suitable for preparing optical waveguides or optical fibers and methods of making same are described. The polymer is a homo- or copolymer having an olefinic backbone with a pendant group comprising fluorinated aromatic and aliphatic moieties, and is cross-linkable. Polymers having refractive index over a wide range... Agent: Santopietro, Lois A E.i. Du Pont De Nemours And Company

20080293904 - High melt flow fluoropolymer: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to HFPI of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer having less than about 50 ppm alkali metal ion, having a melt... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20080293905 - Multicoordinated metal complexes for use in metathesis reactions: Improved catalysts useful in alkyne or olefin metathesis are made by bringing into contact a multi-coordinated metal complex comprising a multidentate Schiff base ligand, and one or more other ligands, with a selected activating compound under conditions such that at least partial cleavage of a bond between the metal and... Agent: Clark & Elbing LLP

20080287615 - Polymerization process: The present invention relates to a gas phase process for polymerizing one or more hydrocarbon monomer(s) in the presence of a catalyst system and a fluorinated hydrocarbon, where the fluorinated hydrocarbon is present at a partial pressure of 6.9 to 348 kPa in the reactor and the reactor temperature is... Agent: Exxonmobil Chemical Company

20080287616 - Process for production of (meth)acrylic acid with high boiling fraction work-up by means of crystallization: A process for production of (meth)acrylic acid is disclosed. The process includes synthesizing and distillatively working-up a crude (meth)acrylic acid phase to obtain a (meth)acrylic acid phase and a dimer phase including (meth)acrylic acid dimers and/or (meth)acrylic acid oligomers. At least a part of the (meth)acrylic acid dimers and/or of... Agent: Smith Moore Leatherwood LLP

20080287617 - Catalyst system for olefin polymerization and polymers produced therefrom: p

20080287618 - Solid state properties of polyethylene prepared with tetrahydroindenyl-based catalyst system: The present invention discloses articles having excellent dimensional stability, solid state mechanical properties and barrier properties that are produced with a polyethylene resin prepared with a catalyst system based on a bridged bisindenyl ligand.... Agent: Fina Technology Inc

20080287619 - Supported metallocene catalysts: In the formulas Cp and Cp′ are substituted cyclopentadienyl groups, Fl and Fl′ are fluorenyl groups, and B and B′ are structural bridges. R′ are substituents at the 2 and 7 positions, Ra and R′a are substituents distal to the bridge, and Rb and R′b are proximal to the bridge.... Agent: Fina Technology Inc

20080287620 - Ethylene elastomer compositions: In a process for producing an elastomer composition, ethylene, at least one alpha-olefin, and at least one diene is contacted with a catalyst system comprising at least one metallocene catalyst compound and a non-coordinating anion activator. The at least one metallocene catalyst compound comprises an indenyl complex having the general... Agent: Exxonmobil Chemical Company Law Technology

20080287621 - Catalysts for olefin polymerization or oligomerization: Novel iron and cobalt complexes of certain novel tricyclic ligands containing a “pyridine” ring and substituted with two imino groups are polymerization and/or oligomerization catalysts for olefins, especially ethylene. Depending on the exact structure of the ligand, and polymerization process conditions, products ranging from α-olefins to high polymers may be... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20080287622 - Polymerization of acrylic polymers in reactive diluents: The present process is directed to preparation of addition polymers in diluents that are subsequently reactive in coatings during cure, instead of in traditional hydrocarbon solvents. The polymers so prepared can be used as the main film-forming polymer in high solids coating compositions, especially those useful for finishing automobiles and... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20080287623 - Cure systems for rubber compounds: The invention relates to the use of alkylphenol disulfide accelerators in butyl and halobutyl compounds.... Agent: Exxonmobil Chemical Company

20080287624 - Process for preparing an optical organic polymer: A process is provided for preparing an organic polymeric useful in the fabrication of optical waveguides or optical fiber. The polymer is a homo- or copolymer having an olefinic backbone with a pendant group comprising fluorinated aromatic and aliphatic moieties, and is cross-linkable. Polymers having refractive index over a wide... Agent: Santopietro, Lois E.i. Du Pont De Nemours And Company

20080287625 - Fluoropolymer having s-sulfate group and water/oil repellent composition containing the polymer: A fluoropolymer comprising: (A) repeating unit derived from an S-sulfate monomer having an —S—SO3— group and carbon to carbon double bond; and (B) repeating unit derived from a fluoromonomer having a fluorine atom and carbon to carbon double bond. This fluoropolymer can be a constituent of water/oil repellent agent having... Agent: Sughrue Mion, PLLC

20080287626 - Polymerization products and biomedical devices containing same: wherein R1 represents one or more inertly substituted groups; X is independently a group which links the inertly substituted groups and the trifluorovinyl group; L is an optional linking group; A is CO2Z, SO2Z, PO3Z, or OPO3Z wherein Z is hydrogen or an alkali metal and n is an integer... Agent: John E. Thomas, Esq. Bausch & Lomb Incorporated

20080287627 - Perfluoroelastomer compositions and methods of preparing same: The present invention includes crosslinked perfluoroelastomeric compositions and molded articles formed from a cross-linkable perfluoroelastomeric composition having a first curable perfluoropolymer having a cure site monomer and a second perfluoropolymer having a cure site monomer. The molar ratio of the tetrafluoroethylene monomer to perfluoroalkylvinyl ether in one perfluoropolymer is about... Agent: Flaster/greenberg P.C. 8 Penn Center

20080287628 - Endosomolytic poly(vinyl ether) polymers: The present invention is directed to membrane active polymers useful for cellular delivery of compounds. Described are polyconjugates systems that incorporate targeting, anti-opsonization, anti-aggregation, and transfection activities into small biocompatible in vivo delivery conjugates. The use of reversible modification provides for physiologically responsive activity modulation.... Agent: Mirus Corporation

20080287629 - Aqueous n-methylolmethacrylamide-methacrylamide mixture: The invention relates to mixtures of methacrylamide and aqueous N-methylolmethacrylamide solution.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080287630 - Endosomolytic poly(acrylate) polymers: The present invention is directed to membrane active polymers useful for cellular delivery of compounds. Described are polyconjugates systems that incorporate targeting, anti-opsonization, anti-aggregation, and transfection activities into small biocompatible in vivo delivery conjugates. The use of reversible modification provides for physiologically responsive activity modulation.... Agent: Mirus Corporation

20080287631 - Process for preparing water-absorbing polymer particles: e

20080287632 - Stabilization of monomer emulsions against premature polymerization: The invention relates to a stable formulation of a monomer emulsion, to a process for its preparation and to its uses.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080287633 - Hydrogel materials: The present invention relates to biocompatible crosslinked biomaterials made from polycondensation polymerization reactions involving polynucleophilic-polyelectrophilic precursors that address the limitations of steric hindrance, viscosity, and diffusion currently reducing gelation rates and curing thoroughness of the biomaterials. A cross-linking scheme is utilized in the invention that permits rapid gelation and thorough... Agent: Gore Enterprise Holdings, Inc.

20080287634 - Heterogeneous, compositionally phase separated, ethylene alphaolefin interpolymers: The present invention pertains to a heterogeneous ethylene/αolefin copolymer having a relatively high melt index range (I2 from 1.1 to 1.6 dg/min.), low density (0.915 to 0.919 g/cc) and narrow molecular weight distribution (I10/I2 from 7.0 to 7.7), and highly separated composition distribution as determined by SCBD; a process for... Agent: The Dow Chemical Company

20080281057 - Process for the polymerisation of vinyl-containing monomers: The invention relates to a process for the polymerisation of monomeric vinyl halides in a polymerisation reactor, especially using a flow-through cooler, and also to a polymerisation reactor for carrying out the process according to the invention. As a result, the space-time yield (STY) of an exothermal reaction can be... Agent: Edwards Angell Palmer & Dodge LLP

20080281058 - Process for producing acrylonitrile-containing polymer latex: A process for producing a polymer latex includes a step of mixing at least one kind of polymerizable monomer with water and a polymerization initiator to perform a polymerization, wherein the at least one kind of polymerizable monomer includes an acrylonitrile in an amount of 50 mass % or more... Agent: Sughrue-265550

20080281059 - Magnesium compound, catalyst for olefin polymerization and method for producing olefin polymer: where R1 is CmH2m+1 (where m is an integer of from 3 to 10), and n is a numerical value satisfying 0<n<0.35; a solid catalyst component for olefin polymer using the magnesium compound; a catalyst for olefin polymer; and methods of producing olefin copolymers such as a propylene-based random copolymer... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080281060 - Process for polymerizaing 1-hexene or higher alpha-olefins: e

20080281061 - Process for polymerizaing 1-hexene or higher alpha-olefins:

20080281062 - Catalyst system for the polymerization of olefin:

20080281063 - Ethylene polymers and copolymers with high optical opacity and methods of making the same: This invention relates to the field of metal-catalyzed olefin polymerization methods and the polymers and films prepared therefrom. In one aspect, this invention provides polyethylene and ethylene/α-olefin copolymers formed in the presence of tightly-bridged metallocene catalyst, organoaluminum cocatalyst, and a chemically-treated solid oxide, and optionally in the presence of additional... Agent: Fletcher Yoder (chevron Phillips)

20080281064 - Novel glycopolymers, uses thereof, and monomers useful for preparation thereof: Novel glycopolymers, uses thereof, and monomers useful for preparation thereof are provided. Methods for preparing novel monomers and glycopolymers are also provided. An exemplary polymer can include glycoside containing units and cationic or potentially cationic units.... Agent: Buchanan, Ingersoll & Rooney PC

20080281065 - Fluoropolymer and composition thereof: The present invention provides a fluoropolymer capable of giving fluorine-containing molded materials and laminates excellent in moldability, productivity, interlaminar bonding and stress cracking resistance, in particular stress cracking resistance upon contacting with various liquid chemicals, without impairing such characteristics intrinsic in fluororesins as chemical resistance, solvent resistance, weathering resistance, antifouling... Agent: Sughrue Mion, PLLC

20080281066 - Hardcoat compositions and methods: The invention relates to method of protecting a flooring surface and flooring materials by providing a hardcoat surface layer comprising a perfluororpolyether. The invention also relates to certain hardcoat compositions.... Agent: 3m Innovative Properties Company

20080281067 - Modified polytetrafluoroethylene powder and method for producing tetrafluoroethylene polymer: The present invention provides a polytetrafluoroethylene powder having moldability/processability as well as electrical characteristics in microwave bands. The present invention is a modified polytetrafluoroethylene powder which has (1) a dielectric loss tangent at 12 GHz of not higher than 2.0×10−4 and (2) a cylinder extrusion pressure of not higher than... Agent: Sughrue Mion, PLLC

20080281068 - Elastomeric polymers: Acyclic diene metathesis (ADMET) has been utilized in the synthesis of carbosilane and carbosiloxane polymers bearing a latent reactive methoxy-functional group on each repeat unit. The polymerization results in a linear thermoplastic polymer. The latent reactive methoxy groups remain inert during polymerization; however, exposure to moisture triggers hydrolysis and the... Agent: Akerman Senterfitt

20080275194 - Process for the continuous preparation of organopolysiloxanes having aminoalkyl groups: P

20080275196 - Polyester process using a pipe reactor: The invention is directed to polyester processes that utilizes a pipe reactor in the esterification, polycondensation, or both esterification and polycondensation processes. Pipe reactor processes of the present invention have a multitude of advantages over prior art processes including improved heat transfer, volume control, agitation and disengagement functions.... Agent: Steven A. Owen Eastman Chemical Company

20080275195 - Polymerization process: The present invention relates to a process for continuously preparing water-absorbing polymers by mixing a monomer solution with at least one crosslinker and polymerizing the resulting mixture, wherein the residence time of the mixture between the addition of the at least one crosslinker and the entry into the polymerization reactor... Agent: Marshall, Gerstein & Borun LLP

20080275197 - Bimodal polyethylene resins that have high stiffness and high escr: A bimodal polyethylene having a high density ranging from about 0.955 to about 0.959 g/cc, an improved environmental stress cracking resistance (ESCR) of from about 400 to about 2500 hours, and an improved 0.4% flexural modulus of from about 180,000 to about 260,000 psi (1,200 MPa to about 1,800 MPa)... Agent: Fina Technology Inc

20080275198 - Random olefin copolymers: wherein Cp comprises a cyclopentadienyl ring; Flu comprises a fluorenyl ring; R″ comprises a structural bridge imparting stereorigidity to the component; each R is the same or different and is an organic group; m is an integer of from 1-4; each R′ is the same or different and is an... Agent: Fina Technology Inc

20080275199 - Polymerization process for producing polydienes: There is disclosed a process for producing a conjugated diene-containing polymer wherein a stream comprising conjugated diene monomer and a specified catalyst, that includes a lanthanide compound and an aluminoxane, is passed through an orifice into the reaction zone of a polymerization vessel, maintained under specific pressure conditions to form... Agent: Bridgestone Americas Holding, Inc.

20080275200 - Production of olefin polymerization catalysts: The invention provides a process for producing an olefin polymerisation catalyst, comprising an organometallic compound of a transition metal or of an actinide or lanthanide, in the form of solid catalyst particles, comprising forming a liquid/liquid emulsion system which comprises a solution of one or more catalyst components dispersed in... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20080275201 - Process for making high molecular weight isobutylene polymers: There is disclosed a process for polymerizing a cationically polymerizable olefin comprising the step of polymerizing at least one cationically polymerizable olefin at a subatmospheric pressure in the presence of a cationic polymerization catalyst system which comprises an initiator and an activator, which together form a reactive cation and non-co-ordinating... Agent: Lanxess Corporation

20080275202 - End-capped polymer chains and products thereof: The present invention is directed to copolymers that include a plurality of constitutional units that correspond to cationically polymerizable monomer species and a second polymer block that comprises a plurality of constitutional units that correspond to an anionically polymerizable vinylpyridine, e.g., 2-vinylpyridine, and methods for making the same. Such copolymers... Agent: Lahive & Cockfield, LLP Floor 30, Suite 3000

20080275203 - Radically curable resin compositions: The present invention relates to resin compositions for radical curing comprising a component (I) containing reactive carbon-carbon unsaturations and a component (II) containing XH-groups, with X not being C or O, which resin compositions (a) are substantially free of photoinitiators; (b.) have an average number of reactive carbon-carbon unsaturations of... Agent: Nixon & Vanderhye, PC