1
Joel L Martin, Matthew G Thorn, Max P McDaniel, Michael D Jensen, Qing Yang, Paul J DesLauriers, Mark E Kertok: Polymerization catalysts and process for producing bimodal polymers in a single reactor. Chevron Phillips Chemical Company, Merchant & Gould, December 25, 2007: US07312283 (119 worldwide citation)

Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. Methods for preparing and using such catalysts to produce polyolefins are also provided. The compositions and methods disclosed herein prov ...


2
Paul J DesLauriers, William J Heilman: Health and beauty aid compositions. Pennzoil Products Company, Lowe Price LeBlanc & Becker, June 22, 1993: US05221534 (115 worldwide citation)

Health and beauty aid compositions comprise one or more health and beauty aid components contained in a gel comprising a mineral oil containing from blends of di- and triblock copolymers based on synthetic thermoplastic rubbers.


3
Qing Yang, Max P McDaniel, Joel L Martin, Tony R Crain, Randy S Muninger, Jerry T Lanier, Jeff S Fodor, Paul J Deslauriers, Chung C Tso, David C Rohlfing: Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches. Chevron Phillips Chemical Company, Merchant & Gould P C, February 14, 2012: US08114946 (72 worldwide citation)

The present invention provides a polymerization process which is conducted by contacting an olefin monomer and at least one olefin comonomer in the presence of hydrogen and a metallocene-based catalyst composition. Polymers produced from the polymerization process are also provided, and these polyme ...


4
Joel L Martin, Kumudini Jayarante, Matthew G Thorn, J Todd Lanier, Max P McDaniel, Qing Yang, Michael D Jensen, Paul J DesLauriers, Rajendra K Krishnaswamy: Multimodal polyethylene compositions and pipe made from same. Chevron Phillips Chemical Company, Conely Rose P C, Rodney B Carroll, Cheryl L Huseman, December 1, 2009: US07625982 (21 worldwide citation)

A multimodal polyethylene composition having at least two polyethylene components, wherein each component has a molecular weight distribution of equal to or less than about 5, one component has a higher molecular weight than the other component, and the higher molecular weight component has an “a” p ...


5
Max P McDaniel, Elizabeth A Benham, Al R Wolfe, Paul J DesLauriers: Polymerization catalyst systems and processes therefor and therewith. Phillips Petroleum Company, Kilpatrick Stockton, February 25, 2003: US06525148 (19 worldwide citation)

A copolymer of ethylene and a higher alpha olefin, preferably 1-hexene, can be produced using an activated chromium containing catalyst system and a cocatalyst selected from the group consisting of trialkylboron, trialkylsiloxyaluminum, and a combination of trialkylboron and trialkylaluminum compoun ...


6
Max P McDaniel, Kathy S Collins, Elizabeth A Benham, Paul J DesLauriers: Methods of preparing active chromium/alumina catalysts via treatment with sulfate. Chevron Phillips Chemical Company, Conley Rose P C, Rodney B Carroll, Cheryl L Huseman, May 8, 2007: US07214642 (15 worldwide citation)

Methods of preparing a polymerization catalyst are provided that include contacting a support comprising alumina with a sulfating agent and with chromium. In an embodiment in which the chromium is provided from a chromium compound such as chromium oxide, the support may be calcined after loading the ...


7
Max P McDaniel, Elizabeth A Benham, Al R Wolfe, Paul J DesLauriers, Pamela L Meager, William R Coutant, David C Rohlfing, Steven J Secora: Olefin polymers, method of making, and use thereof. Chevron Phillips Chemical Company, Womble Carlyle Sandridge & Rice PLLC, March 15, 2005: US06867278 (15 worldwide citation)

The present invention is directed to homo-polymers and copolymers of mono-1-olefins, a method of making such polymers,and uses of such polymers. Polymers of the present invention are formed by contacting at least one mono-1-olefin having from 2 to about 20 carbon atoms per molecule and at least one ...


8
Darryl R Fahey, Owen H Decker, Carlton E Ash, Jon F Geibel, Fernando C Vidaurri Jr, Lacey E Scoggins, Harvey D Hensley, Wei Teh W Shang, Jimmie J Straw, Paul J DesLauriers: Process for preparing poly(arylene sulfide) polymers. Phillips Petroleum Company, Beverly M Dollar, August 1, 1995: US05438115 (14 worldwide citation)

A process is provided for producing a poly(arylene sulfide) polymer which employs at least one base as a reactant, wherein the base is contacted with the polymerization reaction mixture incrementally during the polymerization.


9
Paul J DesLauriers, Max P McDaniel, Al R Wolfe, Pamela L Maeger, William R Coutant, David C Rohlfing, Steven J Secora, William B Beaulieu, Elizabeth A Benham, David F Register: Olefin polymers, method of making, and use thereof. Chevron Phillips Chemical Company, Conley Rose P C, Rodney B Carroll, Cheryl L Huseman, November 9, 2010: US07829646 (13 worldwide citation)

The present invention is directed to PE-100 ethylene copolymers and pipe made thereof having a Tabor abrasion between about 0.01 and about 0.001 grams lost/1000 revolutions. These copolymers are formed by contacting ethylene with at least one mono-1-olefin comonomer having from 2 to about 10 carbon ...


10
Ashish M Sukhadia, David C Rohlfing, Jay Janzen, Paul J DesLauriers, Jim D Byers, Louis Moore Jr, M Bruce Welch, Syriac J Palackal, William M Whitte, William R Coutant, Kiplin D Cowan: Films comprising metallocene catalyzed polyethylene. Phillips Petroleum Company, Edward L Bowman, April 10, 2001: US06214469 (13 worldwide citation)

A high clarity film containing three layers wherein the polymer of each outer layer is the same or different polyethylene selected from polyethylenes having a density of at least 0.925 g/cc, and a molecular weight distribution of less than 4, and being further characterized by being substantially fr ...