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Kiplin D Cowan, Dale E Pierce, Oscar D Nowlin: Polyolefin polymerization process and catalyst. Phillips Petroleum Company, Edward L Bowman, May 13, 1986: US04588703 (15 worldwide citation)

An olefin polymerization catalyst prepared by reacting a metal dihalide and a transition metal, then reacting that component with a precipitating agent, and then reacting the resulting solid with an activating component, wherein multiple activation steps are used so that it is possible to obtain a g ...


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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 ...


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Albert P Masino, Kiplin D Cowan, Gil R Hawley: Polyolefin polymerization process and catalyst. Phillips Petroleum Company, Edward L Bowman, March 5, 1985: US04503159 (11 worldwide citation)

An olefin polymerization catalyst prepared by reacting water with a magnesium dihalide in the presence of a phase transfer catalyst and reacting the resulting hydrated magnesium dihalide with reactants including a benzoic acid ester, an alkoxytitanium compound, an organoaluminum halide and a titaniu ...


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Kevin J Hess, Kiplin D Cowan: Ethylene polymer compositions. Phillips Petroleum Company, Carl D Corvin, April 11, 1995: US05405915 (7 worldwide citation)

An ethylene polymer composition is provided that comprises: (a) an ethylene polymer (b) a crosslinking agent; and (c) a non-aromatic, cyclic, unsaturated, crosslinking co-agent.


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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 ...


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Robert B Eldridge, Francis X Mueller Jr, Ralph C Farrar Jr, Kenneth W Willcox, Kiplin D Cowan, David R Battiste: Process to deodorize an odorous poly(mono-1-olefin). Phillips Petroleum Company, Carl D Corvin, March 16, 1993: US05194582 (3 worldwide citation)

A process is provided comprising contacting under deodorizing conditions, at least one deodorizing composition with at least one poly(mono-1-olefin), wherein said deodorizing conditions comprise, a standard pressure from about 1 to about 5, and a standard temperature from about 0.5 to about 2.5.


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Kiplin D Cowan: Synthesis of esters. Phillips Petroleum Co, October 27, 1981: US04297506 (1 worldwide citation)

An organic ester is produced by conversion of an organic halide employing excess alkali metal carboxylate. A resultant reaction mass including solids comprised of alkali metal halide is obtained containing occluded in the solids portion an amount of otherwise difficult-to-recover desired ester produ ...


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Kiplin D Cowan: Diacyloxyolefins are hydrogenated in presence of alkali and alkaline earth metal salts of carboxylic acids. Phillips Petroleum Company, Howard D Doescher, October 1, 1985: US04544767 (1 worldwide citation)

Hydrogenation of an acyloxyolefin is effected in the presence of at least one of an alkali and an alkaline earth metal salt of a carboxylic acid. In one embodiment, 1,4-diacetoxy-2-butene is converted to 1,4-diacetoxybutane employing potassium acetate.


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