Featured patents

Low Molecular Weight Polytetrafluoroethylene Powder and Preparation Method Therefor
US 08754176 B2, June 17, 2014, Polymerizing in the presence of a specified material other than monomer, Masayuki Tsuji et al. / Daikin Industries, Ltd. (Osaka, JP)
A process for producing a low-molecular weight polytetrafluoroethylene powder,…

Magnesium-Compound Supported Nonmetallocene Catalyst and Preparation Thereof
US 08716416 B2, May 6, 2014, Contains at least one additional specified material, Jiye Bai et al. / Sinopec Yangzi Petrochemical Company Ltd. (Nanjing, Jiangsu Province, CN)
A process for producing a magnesium compound-supported nonmetallocene catalyst,…

Pyridyldiamido Transition Metal Complexes, Production and Use Thereof
US 08710163 B2, April 29, 2014, Transition metal compound has at least one atom of P, S, N or O therein, Matthew S. Bedoya et al. / ExxonMobil Chemical Patents Inc. (Houston, US)
A pyridyldiamido transition metal complex represented by the formula: (I)…

Process for the Preparation of Diene Polymers of Statistical Vinylarene-Diene Copolymers
US 08710164 B2, April 29, 2014, Contains oxygen atom, Gabriele Veneri et al. / Polimeri Europa S.p.A. (San Donato Milanese, IT)
A process for the preparation of diene polymers or vinylarene-diene statistical…

System and Method for Selective Trimerization
US 08658750 B2, Feb. 25, 2014, From ethylene only, Howard G. Large et al. / ExxonMobil Chemical Patents Inc. (Houston, US)
A process for oligomerizing ethylene to alpha-olefin product, said process…

Method for Producing Very-High or Ultra-High Molecular Weight Polyethylene
US 08637618 B2, Jan. 28, 2014, Transition metal compound contains P, S, or N atom, Gary M. Diamond et al. / Symyx Solutions, Inc. (Santa Clara, US)
A slurry polymerization method for producing a very-high or ultra-high molecular…

Methods of Preparing Polymer-Dendrimer Hybrids
US 08614284 B2, Dec. 24, 2013, With additional monomer, Gwenaelle Bonzi et al. / The University of Liverpool (Liverpool, GB)
A method of preparing a non-gelled branched vinyl polymer carrying dendrons…

Methods for Modulated Degenerative Transfer Living Polymerization and Isotactic-Atactic Stereoblock and Stereogradient Poly(olefins) Thereby
US 08513366 B2, Aug. 20, 2013, Adding catalyst or catalyst component, Lawrence R. Sita et al. / University of Maryland, College Park (College Park, US)
A composition comprising an elastomeric isotactic-atactic multiblock stereoblock…

Conjugated Diene Polymer, Conjugated Diene Polymer Composition, and Method for Producing Conjugated Diene Polymer
US 08497334 B2, July 30, 2013, From monomer containing a silicon atom, Katsunari Inagaki et al. / Sumitomo Chemical Company, Limited (Tokyo, JP)
A method for producing a conjugated diene polymer comprising the step…

Two-Component Adhesive Suitable for Construction Purposes, Its Use and the Cured Structural Bonds Obtained Thereby
US 08445615 B2, May 21, 2013, Contains an exterior ethylenic substituent bonded to a single carbon atom of the bridged ring system, Armin Pfeil et al. / Hilti Aktiengesellschaft (Schaan, LI)
A two-component structural adhesive composition, comprising:…

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