11
Max P McDaniel, Ashish M Sukhadia, Errun Ding, Chung Ching Tso, Albert P Masino, Qing Yang, Lloyd W Guatney, Guylaine St Jean, Daniel G Hert: Low density polyolefin resins and films made therefrom. Chevron Phillips Chemical Company, Merchant & Gould, April 14, 2015: US09006367 (11 worldwide citation)

Disclosed herein are broad molecular weight distribution olefin polymers having densities in the 0.895 to 0.930 g/cm3 range, and with improved impact and tear resistance. These polymers can have a ratio of Mw/Mn in the 8 to 35 range, a high load melt index in the 4 to 50 range, less than about 0.008 ...


12
Kevin J Hess, Mark J Dreiling, Edwin Boudreaux Jr, Ashish M Sukhadia: Apparatus and process for detecting the presence of gel defects in oriented sheets or films based on polarization detection. Phillips Petroleum Company, Ryan N Cross, September 9, 1997: US05666199 (11 worldwide citation)

A gel defect detection system for the optical inspection of defects in oriented transparent and translucent sheet. The system utilizes two polarizing filters with adjustable orientations so that the transmission axis is from about 70 degrees to about 110 degrees or from about 80 degrees to about 100 ...


13
Michael D Jensen, Max P McDaniel, Joel L Martin, Elizabeth A Benham, Randy Muninger, Gary Jerdee, Ashish M Sukhadia, Qing Yang, Matthew G Thorn: Catalyst compositions and polyolefins for extrusion coating applications. Chevron Phillips Chemical Company, Merchant & Gould P C, November 30, 2010: US07842763 (10 worldwide citation)

This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, including polymerization methods using a supported catalyst composition. In one aspect, the present invention encompasses a catalyst composition com ...


14
Ashish M Sukhadia, Max P McDaniel, Ted Cymbaluk, Rajendra K Krishnaswamy, Lawrence Szmutko: Polyethylene film having improved barrier properties and methods of making same. Chevron Phillips Chemical Company, Conley Rose P C, Rodney B Carroll, Cheryl L Huseman, May 31, 2011: US07951881 (9 worldwide citation)

A method comprising (a) providing a catalyst comprising chromium and a support having a pore volume of from about 1.7 ml/g to about 3.5 ml/g and a surface area of from about 450 m2/g to about 700 m2/g, (b) oxidizing the catalyst to form an oxidized catalyst, (c) reducing the oxidized catalyst to for ...


15
Michael D Jensen, Joel L Martin, Max P McDaniel, Qing Yang, Matthew G Thorn, Elizabeth A Benham, Ted H Cymbaluk, Ashish M Sukhadia, Rajendra K Krishnaswamy, Mark E Kertok: Ethylene homopolymers or copolymers having good machine direction (MD) elmendorf tear strength. Chevron Phillips Chemical Company, Merchant & Gould P C, August 11, 2009: US07572875 (8 worldwide citation)

This invention relates to catalyst compositions comprising a first metallocene compound, a second metallocene compound, at least one chemically-treated solid oxide, and at least one organoaluminum compound. This invention also relates to methods to prepare and use the catalyst compositions and new p ...


16
Ashish M Sukhadia, M Bruce Welch, William M Whitte, Syriac J Palackal, William R Coutant: Process to produce a composition. Phillips Petroleum Company, Edward L Bowman, June 19, 2001: US06248840 (7 worldwide citation)

A process comprising reacting at least one polymer component, with at least one reactive component, to produce a composition, the polymer being a metallocene polymerized ethylene (co)polymer, and the reactive component being a crosslinking agent.


17
Joseph S Shveima, Max P McDaniel, Shirley J Martin, Kathy S Collins, Elizabeth A Benham, Anthony P Eaton, Ashish M Sukhadia: Polymerization catalyst systems, methods of making and uses therefor. Phillips Petroleum Company, March 25, 2003: US06538077 (7 worldwide citation)

A novel magnesium treated silica-containing compound that is useful as a support for chromium based olefin polymerization catalyst systems is provided which produces ethylene polymers having with MWD's that promote good properties particularly in HMW film applications.


18
Ashish M Sukhadia, William R Coutant, Jim D Byers, Louis Moore Jr, M Bruce Welch, Syriac J Palackal, Kiplin D Cowan, David C Rohlfing, Jay Janzen, Paul J DesLauriers, William M Whitte: Polyethylene film. Phillips Petroleum Company, Edward L Bowman, March 12, 2002: US06355359 (7 worldwide citation)

A self supporting film having one or more layers wherein at least one layer has a percent haze of less than 17.8 and the polymer of that layer consists essentially of a polyethylene having a density of at least 0.925 grams per cc, a molecular weight distribution of no more than 4, optionally contain ...


19
Michael D Jensen, Max P McDaniel, Joel L Martin, Elizabeth A Benham, Randy Muninger, Gary Jerdee, Ashish M Sukhadia, Qing Yang, Matthew G Thorn: Catalyst compositions and polyolefins for extrusion coating applications. Chevron Phillips Chemical Company, Merchant & Gould P C, October 4, 2011: US08030241 (6 worldwide citation)

This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, including polymerization methods using a supported catalyst composition. In one aspect, the present invention encompasses a catalyst composition com ...


20
Ashish M Sukhadia, Elizabeth A Benham, Joseph J Bergmeister, Rex L Bobsein, Gerhard K Guenther, Eric T Hsieh, Max P McDaniel, Steven J Secora, Joseph S Shveima, John D Stewart: Olefin polymerization process. Phillips Petroleum Company, Williams Morgan & Amerson P C, September 9, 2003: US06617403 (6 worldwide citation)

A copolymer of ethylene and a higher alpha-olefin having broadened melt processing windows and reduced melt fracture can be produced using a chromium-containing catalyst system and a trialkyl boron cocatalyst. The polymerization process must be carefully controlled to produce a copolymer resin that ...