United States Patent 3,412,174 HYDROGENATION PROCESS EMPLOYING A TRANSITION METAL CATALYST Wolfram R. Kroll, Linden, N.J., assignor to Esso Research and Engineering Company, a corporation of Delaware No Drawing. Continuation-impart of ap...
A solid catalyst component for olefin polymerization comprising a hydrocarbon-insoluble product (III) obtained by reacting< P> (A) a silicon compound selec...
A process for the polymerization of an olefin which comprises polymerizing an olefin in the presence of a catalyst system consisting essentially of(A) an organoaluminum compound represented by the formula: AlR.sub.m.sup.1 X.sub.3-m.sup.1...
Olefin polymers are produced by a process which comprises homopolymerizing or copolymerizing olefins in the presence of a catalyst system comprising:(A) a solid catalyst component containing a trivalent titanium compound, which is obtain...
An 伪-olefin polymerization catalyst system having so high a catalytic activity and stereoregularity that the catalyst residue and amorphous polymer need not be removed and a process for producing an伪-olefin polymer using the catalyst s...
A process for producing a highly stereospecific alpha -olefin polymer which comprises homopolymerizing or copolymerizing an alpha -olefin or copolymerizing an alpha -olefin with ethylene by the use of a catalyst system comprising: ...
The present invention relates to catalyst components for the polymerization of olefins having Mg, Ti, halogen and at least two internal electron donor comp...
A thermoplastic resin composition which comprises 100 parts by weight of a composition comprising 95-5 % by weight of at least one polyolefinresin (A) selected from homopolymers of ethylene or &agr;- olefin or copolymers thereof and thes...
A catalyst composition for producing linear low density polyethylene with relatively narrower molecular weight distributions is described. The catalyst is ...
A production process is provided for an olefin polymerization catalyst component precursor, including the steps of (I) adding an organomagnesium compound to a solution containing a solvent, a Si鈥擮 bond-containing silicon compound, and ...
A solid catalyst component for α-olefin polymerization containing as catalyst components at least titanium, magnesium and chlorine which are impregnated into an organic porous polymer carrier having a mean particle diameter of 5 to 1,00...
An ethylene copolymerization catalyst is prepared by impregnating a porous support, such as silica, with an organomagnesium compound such as a magnesium alkyl and contacting the magnesium-containing support with a silane compound which i...