21
Michael D Jensen, Max P McDaniel, Joel L Martin, Elizabeth A Benham, Randy L Muninger, Gary G Jerdee, Ashish M Sukhadia, Qing R Yang, Matthew G Thorn: Catalyst compositions and polyolefins for extrusion coating applications. Chevron Phillips Chemical Company, Merchant & Gould P C, April 23, 2013: US08426538 (5 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 ...


22
Ashish M Sukhadia, Max P McDaniel, Errun Ding, Guylaine St Jean, Qing Yang, Daniel G Hert, Chung Ching Tso: Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom. Chevron Phillips Chemical Company, Merchant & Gould P C, November 10, 2015: US09181370 (5 worldwide citation)

Disclosed herein are ethylene-based polymers produced using dual metallocene catalyst systems. These polymers have low densities, high molecular weights, and broad molecular weight distributions, as well as having the majority of the long chain branches in the lower molecular weight component of the ...


23
Ashish M Sukhadia, Elizabeth M Lanier, Louis Moore: Polyethylene compositions. Chevron Philips Chemical Company, Conley Rose P C, Rodney B Carroll, Cheryl L Huseman, September 2, 2008: US07420010 (5 worldwide citation)

Polymeric compositions and methods of making same having improved coefficient of friction and blocking properties. The polymeric compositions include a linear low density polyethylene with additives such as a fluoroelastomer and an acid scavenger. The polymeric compositions may further comprise othe ...


24
Elizabeth A Benham, Rhutesh K Shah, Ashish M Sukhadia, Joel L Martin, Max P McDaniel: Processes that produce polymers. Phillips Petroleum Company, Richmond Hitchcock Fish & Dollar, February 27, 2001: US06194526 (4 worldwide citation)

A process to produce a polymer is provided. The process comprises polymerizing monomers wherein the monomers comprise ethylene, 1-butene, and 1-hexene. The total amount of 1-butene and 1-hexene in the polymer is less than 10 mole percent of the polymer, and the mole ratio of 1-butene to 1-hexene is ...


25
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, Kilpatrick Stockton, April 6, 2004: US06716938 (4 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.


26
Lili Cui, Ashish M Sukhadia, Vivek Rohatgi: Peroxide treated metallocene-based polyolefins with improved melt strength. Chevron Phillips Chemical Company, Merchant & Gould P C, May 24, 2016: US09346897 (3 worldwide citation)

Disclosed herein are ethylene-based polymers having low densities and narrow molecular weight distributions, but high melt strengths for blown film processing. Such polymers can be produced by peroxide-treating a metallocene-catalyzed resin.


27
Ashish M Sukhadia, Max P McDaniel, Errun Ding, Guylaine St Jean, Qing Yang, Daniel G Hert, Chung Ching Tso: Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom. Chevron Phillips Chemical Company, Merchant & Gould P C, March 28, 2017: US09605097 (1 worldwide citation)

Disclosed herein are ethylene-based polymers produced using dual metallocene catalyst systems. These polymers have low densities, high molecular weights, and broad molecular weight distributions, as well as having the majority of the long chain branches in the lower molecular weight component of the ...


28
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 P C, May 10, 2016: US09334350 (1 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 ...


29
Ashish M Sukhadia, Max P McDaniel, Errun Ding, Guylaine St Jean, Qing Yang, Daniel G Hert, Chung Ching Tso: Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom. Chevron Phillips Chemical Company, Merchant & Gould P C, October 30, 2018: US10113016

Disclosed herein are ethylene-based polymers produced using dual metallocene catalyst systems. These polymers have low densities, high molecular weights, and broad molecular weight distributions, as well as having the majority of the long chain branches in the lower molecular weight component of the ...


30
Mark L Hlavinka, Errun Ding, Paul DesLauriers, Yongwoo Inn, Lili Cui, Qing Yang, Ashish M Sukhadia, Guylaine St Jean, Richard M Buck: Higher density polyolefins with improved stress crack resistance. Chevron Phillips Chemical Company, Merchant & Gould P C, March 28, 2017: US09605100

Disclosed herein are polymerization processes for the production of olefin polymers. These polymerization processes can employ a catalyst system containing two or three metallocene components, resulting in ethylene-based copolymers that can have a medium density and improved stress crack resistance.