1
Nobuhide Ishihara, Masahiko Kuramoto, Michitake Uoi: Process for production of styrene polymers. Idemitsu Kosan Company, Frishauf Holtz Goodman & Woodward, July 14, 1987: US04680353 (115 worldwide citation)

A process for production of styrene polymers of high syndiotactic configuration is disclosed, comprising polymerizing styrene or styrene derivatives by the use of a catalyst comprising: (A) a titanium compound, e.g., at least one compound selected from those represented by the formulae: TiR.sup.1.su ...


2
Hiroshi Hayashi, Koichi Matono, Satoshi Asahi, Michitake Uoi: Process for the production of polyethylene compositions. Idemitsu Kosan Company, Frishauf Holtz Goodman & Woodward, January 14, 1986: US04564647 (59 worldwide citation)

A process for producing a polyethylene composition which comprises polymerizing ethylene in the presence of a catalyst comprising (A) a contact treatment product of (a) a high activity catalyst component and (b) a filler, and (B) an organoaluminum compound.


3
Keisuke Funaki, Masakazu Abe, Michitake Uoi: Styrene copolymer and process for producing said copolymer. Idemitsu Kosan, Oblon Spivak McClelland Maier & Neustadt, April 13, 1993: US05202402 (23 worldwide citation)

Styrene copolymers having a repeating unit (I) represented by the general formula: ##STR1## and a repeating unit (II) represented by the general formula: ##STR2## (wherein all the symbols are as defined in the appended claims), and having the stereoregularity that is mainly syndiotactic, and cross-l ...


4
Nobuhide Ishihara, Masahiko Kuramoto, Michitake Uoi: Process for production of styrene polymers. Idemitsu Kosan Company, Frishauf Holtz Goodman & Woodward, February 5, 1991: US04990580 (12 worldwide citation)

A process for production of styrene polymers is disclosed, comprising polymerizing styrene monomers by the use of a catalyst comprising (a) a titanium compound and (b) a contact product of an organoaluminum compound and a condensing agent, and further in the presence of hydrogen. The styrene polymer ...


5
Nobuhide Ishihara, Masahiko Kuramoto, Michitake Uoi: Syndiotactic styrene polymers. Idemitsu Kosan Company, Oblon Spivak McClelland Maier & Neustadt, October 12, 1993: US05252693 (6 worldwide citation)

Styrene homo-or-co- polymers, the stereoregularity of which is mainly syndiotactic are disclosed, having repeating unit or two or more different repeating units defined by a general formula (I): ##STR1## wherein each R may be the same or different. And a method of preparation of syndiotactic copolym ...


6
Nobuhide Ishihara, Masahiko Kuramoto, Michitake Uoi: Syndiotactic styrene polymers. Idemitsu Kosan Company, Oblon Spivak McClelland Maier & Neustadt, March 26, 1996: US05502133 (4 worldwide citation)

Styrene homo-or-co- polymers, the stereoregularity of which is mainly syndiotactic are disclosed, having repeating unit or two or more different repeating units defined by a general formula (I): ##STR1## wherein each R may be the same or different. And a method of preparation of syndiotactic copolym ...


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Nobuhide Ishihara, Masahiko Kuramoto, Michitake Uoi: Process for producing syndiotactic styrene copolymer. Idemitsu Kosan, Oblon Spivak McClelland Maier & Neustadt, February 23, 1993: US05189125 (3 worldwide citation)

Styrene homo-or-co- polymers, the stereoregularity of which is mainly syndiotactic are disclosed, having repeating unit or two or more different repeating units defined by a general formula (I): ##STR1## wherein each R may be the same or different. And a method of preparation of syndiotactic copolym ...


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Nobuhide Ishihara, Masahiko Kuramoto, Michitake Uoi: Process for production of styrene polymers. Idemitsu Kosan Company, Oblon Spivak McClelland Maier & Neustadt, July 2, 1996: USRE035289

A process for production of styrene polymers of high syndiotactic configuration is disclosed, comprising polymerizing styrene or styrene derivatives by the use of a catalyst comprising: (A) a titanium compound, e.g., at least one compound selected from those represented by the formulae: TiR.sup.1.su ...