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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 ...


2
Tanaka Masahide Mitsui Petroch, Kiso Yoshihisa Mitsui Petroche, Takahata Kazunori Mitsui Petro, Hayashi Tetsuo Mitsui Petroche, Shimamoto Kenji Mitsui Petroch, Mizui Kinya Mitsui Petrochemic, Fujimoto Tadaaki Mitsui Petroc, Nakamura Kosei Mitsui Petroche: Polycarbonate, use thereof, production thereof, and purification thereof.. Mitsui Petrochemical, September 23, 1992: EP0504410-A1 (6 worldwide citation)

The polycarbonate of the invention includes ones based on sucrose, oligosaccharides other than it, and monosaccharides each having a specified cyclic structure; ones derived from specified saccharides not containing any cyclic structure; ones having a skeleton of pentaerythritol, neopentyl glycol or ...


3
Kiso Yoshihisa Mitsui Petroche, Matsunaga Yuuichi Mitsui Petro, Imagawa Masao Mitsui Petrochem: Preparation of cyclic carbonate.. Mitsui Petrochemical, January 25, 1989: EP0300794-A1 (3 worldwide citation)

A process for preparing a cyclic carbonate, which comprises reacting at least one 1,3-diol or 1,2-diol with a dialkylcarbonate in the presence of a basic catalyst.