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Arriola Daniel J, Carnahan Edmund M, Devore David D, Hustad Phillip D, Kuhlman Roger L, Wenzel Timothy T: Catalyst composition comprising shuttling agent for higher olefin multi-block copolymer formation. Dow Global Technologies, Arriola Daniel J, Carnahan Edmund M, Devore David D, Hustad Phillip D, Kuhlman Roger L, Wenzel Timothy T, DELINE Douglas N, September 29, 2005: WO/2005/090426 (88 worldwide citation)

Copolymers, especially multi-block copolymer containing therein two or more segments or blocks differing in chemical or physical properties, are prepared by polymerizing propylene, 4-methyl- l-pentene, or other C4-8 &agr;-olefin and one or more copolymerizable comonomers, especially ethylene in the ...


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Arriola Daniel J, Carnahan Edmund M, Devore David D, Hustad Phillip D, Kuhlman Roger L, Wenzel Timothy T: Catalyst composition comprising shuttling agent for ethylene copolymer formation. Dow Global Technologies, Arriola Daniel J, Carnahan Edmund M, Devore David D, Hustad Phillip D, Kuhlman Roger L, Wenzel Timothy T, DELINE Douglas N, September 29, 2005: WO/2005/090425 (75 worldwide citation)

A composition for use in forming a multi-block copolymer from a single polymerizable monomer, said copolymer containing therein two or more segments or blocks differing in branching index, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admi ...


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Arriola Daniel J, Jazdazewski Brian A, Timmers Francis J, Vosejpka Paul C, Wagner Nicole L, Landes Brian G, Jueptner Guenter, Bank David H, Wenzel Timothy T: Production of blockcopolymers by amorphous polymer segment interchange via metathesis. Dow Global Technologies, Arriola Daniel J, Jazdazewski Brian A, Timmers Francis J, Vosejpka Paul C, Wagner Nicole L, Landes Brian G, Jueptner Guenter, Bank David H, Wenzel Timothy T, RUSZALA Lois K, March 6, 2008: WO/2008/027268 (24 worldwide citation)

A cross-metathesized product mixture is prepared by contacting a metathesis catalyst under metathesis conditions with a composition comprising two or more chemically distinguishable ethylenically unsaturated polymers, at least one of said ethylenically unsaturated polymers (first polymer) having fro ...


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Hustad Phillip D, Kuhlman Roger L, Froese Robert D J, Wenzel Timothy T, Coalter Joseph N Iii: Processes of controlling molecular weight distribution in ethylene/alpha-olefin compositions. Dow Global Technologies, Hustad Phillip D, Kuhlman Roger L, Froese Robert D J, Wenzel Timothy T, Coalter Joseph N Iii, BAI J Benjamin, June 14, 2007: WO/2007/067965 (16 worldwide citation)

The present invention relates to compositions and processes of making polymers having a controlled molecular weight distribution. The molecular weight distribution is controlled, for example, by controlling the relative monomer concentrations during contact with a pre-catalyst and/or using a catalys ...


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Wenzel Timothy T, Carnahan Edmund M, Kuhlman Roger L, Hustad Phillip D: Catalytic olefin block copolymers with controlled block sequence distribution. Dow Global Technologies, Wenzel Timothy T, Carnahan Edmund M, Kuhlman Roger L, Hustad Phillip D, DELINE Douglas N, March 29, 2007: WO/2007/035485 (14 worldwide citation)

A process for the polymerization of one or more addition polymerizable monomers and the resulting polymer products, said process comprising: 1) contacting an addition polymerizable monomer or mixture of monomers under addition polymerization conditions in a reactor or reactor zone with a composition ...


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Arriola Daniel J, Timmers Francis J, Jazdzewski Brian A, Vosejpka Paul C, Wagner Nicole L, Landes Brian G, Jueptner Guenter, Bank David H, Wenzel Timothy T: Production of meta-block copolymers by polymer segment interchange. Dow Global Technologies, Arriola Daniel J, Timmers Francis J, Jazdzewski Brian A, Vosejpka Paul C, Wagner Nicole L, Landes Brian G, Jueptner Guenter, Bank David H, Wenzel Timothy T, RUSZALA Lois K, March 6, 2008: WO/2008/027283 (6 worldwide citation)

Meta-block copolymers and a process for preparing a product mixture comprising meta- block copolymers by contacting a metathesis catalyst under metathesis conditions with a composition comprising two or more ethylenically unsaturated polymers, said unsaturation defining one or more polymer segments ...


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Arriola Daniel J, Jazdzewski Brian A, Timmers Francis J, Vosejpka Paul C, Wagner Nicole L, Landes Brian G, Jueptner Guenter, Bank David H, Wenzel Timothy T: Production of random blockcopolymers via high melting polymer segment metathesis. Dow Global Technologies, Arriola Daniel J, Jazdzewski Brian A, Timmers Francis J, Vosejpka Paul C, Wagner Nicole L, Landes Brian G, Jueptner Guenter, Bank David H, Wenzel Timothy T, RUSZALA Lois K, March 6, 2008: WO/2008/027267 (4 worldwide citation)

Two or more chemically distinguishable ethylenically unsaturated polymers, at least one having from 0.001 to 50 mole percent unsaturation and at least one other having an expected Tg or measured Tm value greater than 100°C are cross-metathesized to form thermoplastic elastomers having improved perfo ...


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Arriola Daniel J, Briggs John R, Timmers Francis J, Wagner Nicole L, Wenzel Timothy T: Production of telechelic compounds by metathesis depolymerization. Dow Global Technologies, Arriola Daniel J, Briggs John R, Timmers Francis J, Wagner Nicole L, Wenzel Timothy T, RUSZALA Lois K, March 6, 2008: WO/2008/027269 (4 worldwide citation)

Telechelic unsaturated polymers suitable for conversion to functionalized derivatives such as polyols are prepared by metathesis of an unsaturated copolymer formed by addition polymerization of ethylene, a diene or alkyne and, optionally, one or more C3.20 α-olefins.


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Arriola Daniel J, Carnahan Edmund M, Devore David D, Hustad Phillip D, Kuhlman Roger L, Wenzel Timothy T: Catalyst composition comprising shuttling agent for regio-irregular multi-block copolymer formation. Dow Global Technologies, Arriola Daniel J, Carnahan Edmund M, Devore David D, Hustad Phillip D, Kuhlman Roger L, Wenzel Timothy T, DELINE Douglas N, September 28, 2006: WO/2006/101595 (4 worldwide citation)

Copolymers, especially multi-block copolymer containing therein two or more segments or blocks, are prepared by polymerizing propylene, 4-methyl-1-pentene, or another C4-8 &agr;-olefin in the presence of a composition comprising the admixture or reaction product resulting from combining: (A) a first ...