Masuzo Yokoyama, Shoichi Masukawa, Tsunenori Takahashi, Hideo Sakurai, Makoto Kouno, Shozo Ohkosi, Satosi Ohtaka: Process for producing catalyst components for olefin polymerization. Mitsubishi Petrochemical Company, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, March 27, 1979: US04146502 (21 worldwide citation)

A catalyst component, which is to be combined with an organoaluminum component to form a Ziegler catalyst for olefin polymerization, is produced by treating (1) a solid composition resulting from a process of combining a magnesium halide such as magnesium chloride, an electron donor compound such as ...

Masaki Fujii, Takao Sakai, Hideo Sakurai, Yosiharu Yamamoto: Process for production of olefin polymers. Mitsubishi Petrochemical Company, Oblon Fisher Spivak McClelland & Maier, October 20, 1987: US04701505 (15 worldwide citation)

An olefin is polymerized by using a catalyst consisting essentially of (A) a solid catalyst component containing a magnesium halide and a titanium chloride, (B) an organic aluminum compound, and (C) an ether compound represented by the formula: R.sup.1 R.sup.2 R.sup.3 C(OR.sup.4), R.sup.1 R.sup.2 C( ...

Satoshi Arai, Atsushi Kutami, Hideo Sakurai: Thermoreversible recording medium, thermoreversible recording label and thermoreversible recording member, and, image processing apparatus and image processing method. Ricoh Company, Cooper & Dunham, May 13, 2008: US07371708 (14 worldwide citation)

The object of the present invention is to provide a thermoreversible recording medium which possesses not only such an excellent property that the electrostatic charge on the thermoreversible recording medium can be prevented and the curling of the thermoreversible recording medium caused by repeati ...

Kenya Makino, Hideo Sakurai, Toshiyuki Toyoda, Yoshitaka Matsuo: Process for producing olefin copolymer rubber. Japan Synthetic Rubber, Wenderoth Lind & Ponack, March 19, 1985: US04506061 (13 worldwide citation)

A process for producing an olefin copolymer rubber containing 25 to 75% by weight of propylene, which comprises polymerizing ethylene and propylene, or ethylene, propylene and at least one nonconjugated diene, in solution in the presence of a catalyst, said catalyst being composed of (A) a Ti-contai ...

Masaki Fujii, Shiro Goto, Hideo Sakurai: Solid catalyst components for polymerization of .alpha.-olefins. Mitsubishi Petrochemical Company, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, December 30, 1980: US04242229 (10 worldwide citation)

A solid catalyst component for forming, in combination with an organoaluminium compound, a catalyst for polymerization of .alpha.-olefins is provided, whereby .alpha.-olefin polymers having high stereoregularity or stereospecificity are produced in a high yield. The catalyst component is a product o ...

Hideo Sakurai, Takashi Tanaka: Inert gas arc welding wire for high Cr ferritic heat-resisting steel. Nippon Steel Corporation, Kenyon & Kenyon, May 21, 1996: US05519186 (4 worldwide citation)

A welding wire which can form a weld metal having excellent high-temperature creep strength, toughness and welding property when used in the inert gas arc welding of a high Cr ferritic heat resisting steel, such as 9 to 12% Cr-based steel used in various generator boilers, chemical pressure vessels ...

Yoshiharu Yamamoto, Hajime Mizuno, Kenji Yamamoto, Hideo Sakurai: Highly crystalline polypropylene for forming film. Mitsubishi Petrochemical Company, Oblon Spivak McClelland Maier & Neustadt, July 27, 1993: US05231144 (4 worldwide citation)

A highly crystalline polypropylene for forming film which is obtained by subjecting to the molecular weight degradation a propylene homopolymer obtained by the polymerization of propylene over a stereoregulating catalyst and which has:

Hideo Sakurai, Eiji Hayakawa: Photosensitive composition for lithographic printing plate and photosensitive lithographic printing plate. Kodak Polychrome Graphics L L C, Ohlandt Greeley Ruggiero & Perle, February 4, 2003: US06514657 (3 worldwide citation)

The present invention provides a photosensitive lithographic printing plate with a long press life, high sensitivity, and excellent storage stability, and a photosensitive composition for a lithographic printing plate for producing such a photosensitive lithographic printing plate. The photosensitiv ...

Chitoshi Suzuki, Hiroki Fukuda, Yoshinori Toyota, Shigeru Ikai, Hideo Sakurai: Double metal cyanide complex catalyst, its production process and its utilization. Asahi Glass Company, Oblon Spivak McClelland Maier & Neustadt P C, January 30, 2007: US07169956 (3 worldwide citation)

Provided is a double metal cyanide complex catalyst with a high activity which is readily produced on an industrial scale. The double metal cyanide complex catalyst is of a fine particle form and contains t-butyl alcohol or, t-butyl alcohol and another organic compound as an organic ligand. The cata ...

Kenya Makino, Hideo Sakurai, Masaru Watanabe, Toshiyuki Nishimura: Process for producing olefinic copolymer rubbers. Japan EP Rubber, Wenderoth Lind & Ponack, March 22, 1983: US04377671 (3 worldwide citation)

In a process for producing a rubbery olefinic copolymer which comprises random-copolymerizing at least two olefins in the presence of a catalyst composed of (A) a titanium compound and (B) an organometallic compound of a metal of Groups I to III of the periodic table, the improvement wherein the tit ...