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Hashimoto Mikio Mitsui Petroch, Ueda Takasi, Kawasaki Masaaki, Moriya Satoru, Mizuno Akira, Fukuoka Daisuke, Imuta Junichi, Hirose Keiji, Saito Junji Mitsui Petrochemic, Kiso Yoshihisa: Propylene polymer composition.. Mitsui Petrochemical, April 5, 1995: EP0646624-A1 (74 worldwide citation)

A propylene polymer composition composed of a propylene polymer (A1) produced by using a metallocene catalyst and having a melt flow rate (MFR) of 0.01-30 g/10 min, a propylene polymer (A2) having an MFR of 30-1,000 g/10 min and, if necessary, a flexible polymer, wherein the ratio of the MFR of the ...


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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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Fukuoka Daisuke, Tashiro Takashi, Kawaai Koji, Saito Junji, Ueda Takashi, Kiso Yoshihisa, Imuta Junichi, Fujita Terunori, Nitabaru Masatoshi, Yoshida Masayasu: Novel transition metal compound, olefin polymerization catalyst comprising said compound, process for olefin polymerization using said catalyst and propylene homo- and copolymer. Mitsui Petrochemical, December 17, 1997: EP0812854-A2 (15 worldwide citation)

A transition metal compound of formula (I): wherein M is a transition metal of Group IVa, Group Va or Group VIa of the periodic table; each R, which may be identical or different, is a hydrocarbon group of 2 to 6 carbon atoms; each R, which may be identical or different, is an aryl group of 6 to 16 ...


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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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Imuta Junichi, Saito Junji, Ueda Takashi, Kiso Yoshihisa, Mizuno Akira, Kawasaki Masaaki, Hashimoto Mikio: Propylene elastomer. Mitsui Chemicals, May 29, 2002: EP1209165-A2 (11 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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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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Ueda Takashi Mitsui Petrochemi, Mizuno Akira Mitsui Petrochemi, Kawasaki Masaaki Mitsui Petroc, Fukuoka Daisuke Mitsui Petroch, Kiso Yoshihisa Mitsui Petroche, Tanizaki Tatsuya Mitsui Petroc, Hashimoto Mikio Mitsui Petroch, Sugi Masahiro Mitsui Petrochem, Tsutsui Toshiyuki Mitsui Petro: Propylene elastomer.. Mitsui Petrochemical, November 15, 1995: EP0682042-A1 (9 worldwide citation)

A novel propylene elastomer having such characteristics that: (1) it is composed of 50-95 mole % of units derived from propylene and 50-5 mole % of units derived from 1-butene, (2) it has a triad tracticity (mm faction) of at least 90 % as determined by C-NMR spectrometry (in hexachlorobutadiene usi ...


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Fukuoka Onori, Saito Junji, Imuda Junichi, Fujita Terunori, Tashiro Koji, Kawai Koji, Yoshida Masayasu, Ueda Takashi, Kiso Yoshihisa: New transition metallic compound, catalyst component for polymerizing olefin composed of the same transition metallic compound, catalyst for polymerizing olefin containing the same catalyst component for polymerizing olefin and method for polymerizing olefin. Mitsui Petrochem, August 15, 1995: JP1995-216011 (8 worldwide citation)

PURPOSE: To obtain a catalyst, comprising a specific transition metal, having excellent polymerization activity for an olefin and capable of producing a polyolefin, having a high molecular weight and a high melting point and excellent in stereoregularity. CONSTITUTION: This transition metallic compo ...