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Dive into the research topics where Masayasu Yoshida is active.

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Featured researches published by Masayasu Yoshida.


Journal of Molecular Catalysis A-chemical | 1997

Substituted indenyl ring containing metallocene catalyst for propylene polymerization process

Daisuke Fukuoka; Takashi Tashiro; Koji Kawaai; Junji Saito; Takashi Ueda; Yoshihisa Kiso; Junichi Imuta; Terunori Fujita; Masatoshi Nitabaru; Masayasu Yoshida

The novel transition metal catalyst of the invention is represented by the following formula (I): ##STR1## wherein M is a zirconium or hafnium; R1 is a hydrocarbon group of 2 to 6 carbon atoms, R2 is an aryl group of 6 to 16 carbon atoms; X1 and X2 are each a halogen atom; and Y is a divalent hydrocarbon group, a divalent silicon-containing group.


Archive | 1994

Transition metal compound, olefin polymerization catalyst component comprising the transition metal compound, olefin polymerization catalyst comprising the olefin polymerization catalyst component, and process for olefin polymerization

Junichi Imuta; Daisuke Fukuoka; Masayasu Yoshida; Junji Saito; Terunori Fujita; Takashi Tashiro; Koji Kawaai; Takashi Ueda; Yoshihisa Kiso


Archive | 1996

Olefin polymerization catalyst, process for preparing olefin polymer, and olefin polymer

Junichi Imuta; Masayasu Yoshida; Yasushi Tohi


Archive | 1996

Process for polymerizing propylene by using a novel metallocene catalyst

Daisuke Fukuoka; Takashi Tashiro; Koji Kawaai; Junji Saito; Takashi Ueda; Yoshihisa Kiso; Junichi Imuta; Terunori Fujita; Masatoshi Nitabaru; Masayasu Yoshida


Archive | 1996

Transition metal compound having indenyl-containing metallocene

Daisuke Fukuoka; Takashi Tashiro; Koji Kawaai; Junji Saito; Takashi Ueda; Yoshihisa Kiso; Junichi Imuta; Terunori Fujita; Masatoshi Nitabaru; Masayasu Yoshida


Archive | 1994

Novel transition metal compound, olefin polymerization catalyst comprising said compound, process for olefin polymerization using said catalyst and propylene homo- and copolymer

Daisuke Fukuoka; Takashi Tashiro; Koji Kawaai; Junji Saito; Takashi Ueda; Yoshihisa Kiso; Junichi Imuta; Terunori Fujita; Masatoshi Nitabaru; Masayasu Yoshida


Archive | 1994

Transition metal compound, olefin polymerization catalyst component comprising said compound, olefin polymerization catalyst containing said catalyst component, process for olefinpolymerization using said catalyst , propylene homopolymer, propylene copolymer and propylene elastomer

Daisuke Fukuoka; Takashi Tashiro; Koji Kawaai; Junji Siato; Takashi Ueda; Yoshihisa Kiso; Akira Mizuno; Masaaki Kawasaki; Masaaki Itoh; Junichi Imuta; Terunori Fujita; Masatoshi Nitabaru; Masayasu Yoshida; Mikio Hashimoto


Archive | 1994

Übergangsmetallverbindung, diese enthaltende Olefinpolymerisationskatalysator, Verfahren zur Olefinpolymerisation damit und Homo- und Copolymere des Propylens Transition metal compound, olefin polymerization catalyst containing the same, and process for olefin polymerization so that homo- and copolymers of propylene

Daisuke Fukuoka; Takashi Tashiro; Koji Kawaai; Junji Saito; Takashi Ueda; Yoshihisa Kiso; Junichi Imuta; Terunori Fujita; Masatoshi Nitabaru; Masayasu Yoshida


Archive | 1994

Neue Übergangsmetallverbindung zur Verwendung als Polymerisationkatalysator.

Daisuke C O Mitsui Pet Fukuoka; Takashi C O Mitsui Pet Tashiro; Koji Kawaai; Junji C O Mitsui Petroch Saito; Takashi Ueda; Yoshihisa Kiso; Akira Mizuno; Masaaki Kawasaki; Masaaki Itoh; Junichi C O Mitsui Petro Imuta; Terunori Fujita; Masatoshi C O Mitsui Nitabaru; Masayasu Yoshida; Mikio C O Mitsui Pet Hashimoto


Archive | 1994

Compose de metal de transition, composant catalytique pour la polymerisation des olefines renfermant ce compose, catalyseur pour la polymerisation des olefines renfermant ce composant catalytique, procede pour la polymerisation des olefines au moyen de ce catalyseur, homopolymere de propylene, copolymere de propylene et elastomere de propylene

Daisuke Fukuoka; Takashi Tashiro; Koji Kawaai; Junji Siato; Takashi Ueda; Yoshihisa Kiso; Akira Mizuno; Masaaki Kawasaki; Masaaki Itoh; Junichi Imuta; Terunori Fujita; Masatoshi Nitabaru; Masayasu Yoshida; Mikio Hashimoto

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Akira Mizuno

Toyohashi University of Technology

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