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Grant B Jacobsen, Theo J P Stevens, Pierre H H Loix: Catalyst component dispersion comprising an ionic compound and solid addition polymerization catalysts containing the same. The Dow Chemical Company, John H Roberts, July 21, 1998: US05783512 (53 worldwide citation)

A non-supported solid catalyst comprising (a) an ionic compound comprising a.1) a cation and a.2) an anion having up to 100 nonhydrogen atoms and said anion containing at least one substituent comprising an active hydrogen moiety, (b) a transition metal compound, and (c) an organometal compound wher ...


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Grant B Jacobsen, Fumio Matsushita, Lee Spencer, Peter L Wauteraerts: Ethylene copolymer compositions. Dow Global Technologies, January 14, 2003: US06506866 (27 worldwide citation)

Disclosed is a novel ethylene copolymer by copolymerizing an ethylene and at least one comonomer selected from a compound represented by the formula H


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Jozef J Van Dun, Akira Miyamoto, Grant B Jacobsen, Fumio Matsushita, Patrick J Schouterden, Lee Spencer, Pak Wing S Chum, Larry A Meiski, Peter L Wauteraerts: High density ethylene homopolymers and blend compositions. Dow Global Technologies, December 26, 2006: US07153909 (22 worldwide citation)

Blend compositions containing a novel homopolymer, the use of which allows the incorporation of more comonomer in the additional components of the blend (for the same overall density) resulting in increased tie molecule formation and improvement in properties such as ESCR, toughness and impact stren ...


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Grant B Jacobsen, Jozef J Van Dun, Pak Wing S Chum, Larry A Meiske, Fumio Matsushita, Akira Miyamoto: Process for preparing copolymers and blend compositions containing the same. Dow Global Technologies, January 23, 2007: US07166676 (20 worldwide citation)

A process for the preparation of blends including an ethylene copolymer by copolymerizing ethylene and at least one comonomer selected from a compound represented by the formula H2C═CHR wherein R is an alkyl group or an aryl group, and a diene, in the presence of a solid catalyst system comprising a ...


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Grant B Jacobsen, Fumio Matsushita, Lee Spencer, Peter L Wauteraerts: Ethylene copolymer compositions. Dow Global Technologies, April 21, 2009: US07521518 (16 worldwide citation)

Disclosed is a novel ethylene copolymer by copolymerizing an ethylene and at least one comonomer selected from a compound represented by the formula H2C═CHR wherein R is an alkyl group or an aryl group, and a diene, by slurry polymerization process in the presence of a solid catalyst system comprisi ...


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Grant B Jacobsen, Jozef J Van Dun, Pak Wing S Chum, Larry A Meiske, Fumio Matsushita, Akira Miyamoto: Ethylene copolymers and blend compositions. May 11, 2010: US07714073 (13 worldwide citation)

The invention provides blends comprising an ethylene copolymer formed from ethylene with at least one comonomer selected from (a) the group comprising compounds represented by the formula H2C═CHR wherein R represents a C1-C20 linear, branched or cyclic alkyl group or a C6-C20 aryl group, and (b) a C ...


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Jozef J Van Dun, Akira Miyamoto, Grant B Jacobsen, Fumio Matsushita, Patrick J Schouterden, Lee Spencer, Pak Wing S Chum, Larry A Meiske, Peter L Wauteraerts: High density ethylene homopolymers and blend compositions. Dow Global Technologies, January 12, 2010: US07645835 (13 worldwide citation)

Blend compositions containing a novel homopolymer, the use of which allows the incorporation of more comonomer in the additional components of the blend (for the same overall density) resulting in increased tie molecule formation and improvement in properties such as ESCR, toughness and impact stren ...


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Grant B Jacobsen, Peter L Wauteraerts, Lee Spencer: Supported catalyst component, supported catalyst, their preparation, and addition polymerization process. The Dow Chemical Company, March 28, 2000: US06043180 (10 worldwide citation)

A supported catalyst component prepared from a support material and an alumoxane, containing 15-40 weight percent of aluminum from the alumoxane (based on the total weight of the support material and alumoxane), said supported catalyst component being obtained by heating said support material and al ...


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Grant B Jacobsen, Pierre H H Loix, Theo J P Stevens: Catalyst component dispersion comprising an ionic compound and solid addition polymerization catalysts containing the same. The Dow Chemical Company, August 7, 2001: US06271165 (10 worldwide citation)

This invention relates to supported and nonsupported catalyst components comprising (a) an ionic compound comprising (a)(1) a cation and (a)(2) an anion having up to 100 nonhydrogen atoms and the anion containing at least one subtituent comprising a moiety having an active hydrogen reacted with (c) ...