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Timmers Francis J, Devore David D, Stevens James C, Rosen Robert K, Patton Jasson T, Neithamer David R: Complexes biscyclopentadienyle-diene, Biscyclopentadienyl diene complexes. The Dow Chemical Company, Dow Global Technologies, SMART & BIGGAR, February 15, 1996: CA2195789

Biscyclopentadienyl, Group 4 transition metal complexes are formed by contacting a biscyclopentadienyl Group 4 metal halide hydrocarbyl, hydrocarbyloxy or amide complex with a conjugated diene. Uniquely, the ansa-rac diastereomer is selectively isolated and may be reconverted to the halide form if d ...


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Lai Shih Yaw, Wilson John R, Knight George W, Stevens James C, Chum Pak Wing: Polyethylene basse densite, lineaire et malleable, Plastic linear low density polyethylene. The Dow Chemical Company, Dow Global Technologies, SMART & BIGGAR, March 14, 1996: CA2199411

Elastic ethylene polymers are disclosed which have processability similar to highly branched low density polyethylene (LDPE), but the strength and toughness of linear low density polyethylene (LLDPE). The polymers have processing indices (PI's) less than or equal to 70 percent of those of a comparat ...


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Rosen Robert K, Stevens James C: Composition catalytique destinee a la polymerisation dolefines et contenant un compose du groupe 13, Olefin polymerization catalyst composition comprising group 13 compound. The Dow Chemical Company, Dow Global Technologies, SMART & BIGGAR, January 29, 1998: CA2261174

Catalyst compositions that are highly tolerant of catalyst poisons comprising a catalytic derivative of a Group 4 metal complex and a Group 13 metal compound according to the formula R1 2Me(NR2 2), wherein R1 and R2 independently each occurrence is a hydrocarbyl, silyl, halocarbyl, halohydrocarbyl, ...


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Stevens James C, Anderlende Daniel D: Olefin polymer. Dow Global Technologies, chengwei, March 19, 2008: CN200710007084

A polymerization process comprises contacting one or more olefinic comonomers in the presence of at least a high molecular weight catalyst and at least a low molecular weight catalyst in a single reactor; and effectuating the polymerization of the olefinic comonomers in the reactor to obtain an olef ...


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Stevens James C, Vanderlende Daniel D: Procede de fabrication dinterpolymeres et de produits fabriques a partir dinterpolymeres, Method of making interpolymers and products made therefrom. Dow Global Technologies, Dow Global Technologies, Smart & Biggar, December 7, 2010: CA2441028

A polymerization process comprises contacting one or more olefinic comonomers in the presence of at least a high molecular weight catalyst and at least a low molecular weight catalyst in a single reactor; and effectuating the polymerization of the olefinic comonomers in the reactor to obtain an olef ...


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Graue Arne, Kvamme Bjorn, Howard James J, Baldwin Bernard A, Stevens James C, Zornes David R: Production de gaz libre par conversion dhydrate de gaz, Production of free gas by gas hydrate conversion. Conocophillips Company, Graue Arne, Kvamme Bjorn, Conocophillips Company, The University Of Bergen, Osler Hoskin & Harcourt, April 5, 2011: CA2590423

A method for releasing gas from a gas hydrate without melting the gas hydrate by substituting the gas with a releasing agent that forms a more stable hydrate structure than the gas.


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Romer Duane R, Rosen Robert K, Stevens James C, Timmers Francis J, Tuinstra Hendrik E: Composition catalytique de polymerisation dolefines comprenant des derives amide du groupe 13, Olefin polymerization catalyst composition comprising group 13 amide derivatives. Dow Global Technologies, Dow Global Technologies, Smart & Biggar, September 20, 2011: CA2506144

Catalyst compositions that are highly tolerant of catalyst poisons for use in addition polymerizations comprising a catalytic derivative of a Group 4 metal complex, a cocatalyst, and a Group 13 metal amide compound.


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