Featured patents

Method for Producing Copolymer
US 08853339 B2, Oct. 7, 2014, Interpolymerized with aliphatic hydrocarbon, Yasuo Horikawa et al. / Bridgestone Corporation (Tokyo, JP)
A method for producing a copolymer characterized by comprising a step…

Directed Self Assembly Copolymer Composition and Related Methods
US 08822619 B1, Sept. 2, 2014, From aromatic hydrocarbon, Daniel Murray et al. / Rohm and Haas Electronic Materials LLC (Marlborough, US)
A copolymer composition, comprising:…

Polymerization Reactor and Related Process
US 08735517 B2, May 27, 2014, Polymerization involving specified mixing, stirring, agitating, or movement of material, Michael W. Ackman et al. / ExxonMobil Chemical Patents Inc. (Houston, US)
A stirred tank polymerization reactor system comprising:…

Ethylene-Based Polymer Compositions
US 08729200 B2, May 20, 2014, Polymerizing in Two or More Physically Distinct Zones, Theresa J. Hermel-Davidock et al. / Dow Global Technologies LLC (Midland, US)
A polymerization process comprising:…

Systems and Methods for Real-Time Catalyst Particle Size Control in a Polymerization Reactor
US 08703883 B2, April 22, 2014, Effecting a Change in a Polymerization Process in Response to a Measurement or Test, Joel A. Mutchler et al. / Chevron Phillips Chemical Company LP (The Woodlands, US)
A method of operating a polymerization reactor system, the method comprising:…

Mixed Metallocene Catalyst Composition and Method for Preparing Polyolefin Using the Same
US 08716414 B2, May 6, 2014, Two or more diverse transition metal atoms in distinct compounds or in the same compound, Don-Ho Kum et al. / LG Chem, Ltd. (Seoul, KR)
A method for preparing a polyolefin having a density of 0.850 to 0.915 g/cc…

Extrusion Processes Using High Melt Strength Polypropylene
US 08546504 B2, Oct. 1, 2013, Material contains nitrogen compound, Charles S. Holland et al. / Equistar Chemicals, LP (Houston, US)
A process comprising extruding a blend of an irradiated first propylene polymer…

Method for Producing Solvent-Free UV-crosslinkable Acrylate Pressure-Sensitive Adhesives
US 08519076 B2, Aug. 27, 2013, From carboxylic acid ester monomer, Klaus Massow et al. / tesa SE (Hamburg, DE)
A method for producing a UV-crosslinkable polyacrylate pressure-sensitive…

Methods of Controlling Polymer Properties
US 08497329 B2, July 30, 2013, Transition metal bonded to carbon atom, Rainer Kolb et al. / Univation Technologies, LLC (Houston, US)
A method for altering the composition distribution of an ethylene alpha olefin…

Increased Monomer Conversion in Emulsion Polymerization
US 08481657 B2, July 9, 2013, Polymerizing in Tubular or Loop Reactor, Hagen Bartossek et al. / Styron Europe GmbH (Horgen, CH)
A method for increasing the monomer conversion in a redox initiated emulsion…

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