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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 ...


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Hori Hideshi, Fukutani Kenzaburo, Imuda Junichi, Toyoda Kazuo: Production of polyester. Mitsui Chemicals, May 26, 2000: JP2000-143789 (8 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method for producing a polyester by which aromatic dicarboxylic acids can be polycondensed with aliphatic diols with a high catalyst activity. SOLUTION: When an aromatic dicarboxylic acid or its ester-forming derivative is esterified with an aliphatic diol or its e ...


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Imuda Junichi, Omatsuzawa Takeshi, Ebara Fujito, Hori Hideshi, Toyoda Kazuo, Fukutani Kenzaburo, Onoki Takayuki: Polyester production catalyst, production of polyester by using same and polyethylene terephthalate produced by same catalyst. Mitsui Chemicals, March 13, 2001: JP2001-064378 (6 worldwide citation)

PROBLEM TO BE SOLVED: To provide a polyester production catalyst which enables production of polyesters having excellent quality with a high catalytic activity, and a process for producing polyesters by using this catalyst. SOLUTION: A polyester production catalyst is composed of (I) a solid titaniu ...


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Imuda Junichi, Omatsuzawa Takeshi, Ebara Fujito, Hori Hideshi, Toyoda Kazuo, Fukutani Kenzaburo, Shimizu Akiyoshi: Polyester production catalyst and production of polyester by using the same. Mitsui Chemicals, March 13, 2001: JP2001-064377 (5 worldwide citation)

PROBLEM TO BE SOLVED: To produce a polyester production catalyst which enables production of polyesters having excellent quality with a high catalytic activity, and a process for producing polyesters by using this catalyst. SOLUTION: This polyester production catalyst is composed of a solid titanium ...


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Imuda Junichi, Kashiwa Norio, Ota Seiji, Moriya Satoru: Process for preparing polar group-containing olefin copolymer. Mitsui Chemicals, May 28, 2002: JP2002-155109 (4 worldwide citation)

PROBLEM TO BE SOLVED: To provide a process for preparing a polar group-containing olefin copolymer which process is capable of giving an olefin copolymer with a high polymerization activity.SOLUTION: The process for preparing a polar group-containing olefin copolymer comprises a copolymerization of ...


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Matsui Narikazu, Fukuoka Onori, Imuda Junichi: New transition metal compound and olefin polymerization catalyst component comprising same. Mitsui Petrochem, September 17, 1996: JP1996-239416 (4 worldwide citation)

PURPOSE: To provide an olefin polymn. catalyst component comprising a new compd. contg. a group Wb-Mb transition metal and Si such as rac- tetramethylenesilylene-bis{2-ethyl-4-(9-phenathryl)indenyl}ZrCl2. CONSTITUTION: This new transition metal compd. is one frepresented by the general formula (wher ...


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Ota Seiji, Moriya Satoru, Imuda Junichi: Polar group-containing olefin copolymer, thermoplastic resin composition containing the copolymer and use thereof. Mitsui Chemicals, May 22, 2002: JP2002-145947 (3 worldwide citation)

PROBLEM TO BE SOLVED: To obtain a polar group-containing olefin copolymer having excellent adhesiveness to a metal or a polar resin. compatibility with a polar resin, flexibility, etc., and to provide its use.SOLUTION: This polar group-containing olefin, copolymer comprises constituent units of form ...


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Okane Takuya, Oshima Hideki, Imuda Junichi: Catalyst for addition polymerization and method for producing addition polymer. Sumitomo Chemical, May 19, 2005: JP2005-126627 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide a catalyst for addition polymerization used for producing a higher molecular weight addition polymer and a method for producing the higher molecular weight addition polymer.SOLUTION: The catalyst for addition polymerization is obtained by bringing (A) a transition me ...


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Hori Hideshi, Fukutani Kenzaburo, Imuda Junichi: Preparation of polyester. Mitsui Chemicals, June 6, 2000: JP2000-154242 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide a preparation process of a polyester wherein an aromatic dicarboxylic acid and an aliphatic diol are polycondensed with a high catalytic activity, even when the amount of a germanium compound used is reduced.SOLUTION: When preparing a polyester by polycondensing an a ...


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Ota Seiji, Moriya Satoru, Imuda Junichi: Polar group-containing olefin copolymer and thermoplastic resin composition containing the copolymer. Mitsui Chemicals, May 22, 2002: JP2002-145944 (2 worldwide citation)

PROBLEM TO BE SOLVED: To obtain a polar group-containing olefin copolymer having excellent adhesiveness to a metal or a polar resin, compatibility with a polar resin, flexibility, etc.SOLUTION: This polar group-containing olefin copolymer comprises constituent units of formulas (1), (2) and (3) (R1 ...