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Imuta Junichi C O Mitsui Petro, Saito Junji C O Mitsui Petroch, Ueda Takashi C O Mitsui Petroc, Kiso Yoshihisa C O Mitsui Petr, Mizuno Akira C O Mitsui Petroc, Kawasaki Masaaki C O Mitsui Pe, Hashimoto Mikio C O Mitsui Pet: Novel transition metal compound, and polymerization catalyst containing it.. Mitsui Petrochemical, December 21, 1994: EP0629631-A2 (67 worldwide citation)

A transition metal compound of formula (I): wherein M is a transition metal of Group IVa, Group Va and Group VIa of the periodic table; R and R, which may all be identical or different from each other, are each a hydrogen atom, a halogen atom, a hydrocarbon group of 1 to 20 carbon atoms, a halogenat ...


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Mizui Kinya C O Mitsui Petroch, Kiso Yoshihisa C O Mitsui Petr, Hayashi Tetsuo C O Mitsui Petr, Tanaka Masahide C O Mitsui Pet: Lubricant oil compositions.. Mitsui Petrochemical, April 10, 1991: EP0421298-A2 (12 worldwide citation)

The present invention provides lubricant oil compositions comprising a polyalkylene glycol polycarbonate. The lubricant oil compositions are useful for industrial gear oil, automotive gear oil, and lubricant oil for refrigerators, rolling installations and fibers, which are excellent in lubricating ...


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Kiso Yoshihisa C O Mitsui Petr, Matsunaga Yuuichi C O Mitsui P: Process for production of aromatic carbonate compound.. Mitsui Petrochemical, October 25, 1989: EP0338760-A2 (11 worldwide citation)

Disclosed is a process for producing an aromatic carbonate which comprises reacting a phenolic compound with a di-aliphatic carbonate or an aliphatic-aromatic carbonate in the presence of a catalyst. The catalyst is either SnO and/or a tin compound represented by the following formula wherein X and ...


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Kiso Yoshihisa C O Mitsui Petr, Takai Toshihiro C O Mitsui Pet, Hayashi Tetsuo C O Mitsui Petr: Method of preparing 4,4-methylenedianiline.. Mitsui Petrochemical, August 23, 1989: EP0329367-A2 (6 worldwide citation)

A process for preparing 4,4 min -methylenedianiline which comprises reacting aniline and a methylenating agent in the presence of a catalyst comprising a dealuminized Y type zeolite, a fluorine-treated dealuminized Y type zeolite, or a metal ion-treated product of a dealuminized Y type zeolite havin ...


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Kiso Yoshihisa C O Mitsui Petr, Kawaai Koji C O Mitsui Petroch, Nitabaru Masatoshi C O Mitsui: Process for preparing cyclopentadienyl group-containing silicon compound or cyclopentadienyl group-containing germanium compound.. Mitsui Petrochemical, September 28, 1994: EP0617044-A2 (3 worldwide citation)

A process for preparing a cyclopentadienyl group-containing silicon compound or a cyclopentadienyl group-containing germanium compound, comprises reacting (i) a lithium, sodium or potassium salt of a cyclopentadiene derivative with (ii) a silicon halide compound or a germanium halide compound in the ...