Nippon Shokubai Kagaku

Until 1982, almost all methyl methacrylate produced woddwide was derived from the acetone cyanohydrin (C-3) process. In 1982, Nippon Shokubai Kagaku Kogyo Company introduced an isobutylene-based (C-4) process, which was quickly followed by Mitsubishi Rayon Company in 1983 (66). Japan Methacryhc Monomer Company, a joint venture of Nippon Shokubai and Sumitomo Chemical Company, introduced a C-4-based plant in 1984 (67). Isobutylene processes are less economically attractive in the United States where isobutylene finds use in the synthesis of methyl /i / butyl ether, a pollution-reducing gasoline additive. BASF began operation of an ethylene-based (C-2) plant in Ludwigshafen, Germany, in 1990, but favorable economics appear to be limited to conditions unique to that site. 

Nippon Shokubai Kagaku Kogyo Co. and Sumitomo Chemical Co., Hydrocarbon Process. 64, 143 (1985). 

Jptt Kokai Tokkyo Koho JP 61,243,047 (Oct. 29, 1986), H. Yoshida and co-workers (to Nippon Shokubai Kagaku Kogyo Co., Ltd.). 

D. Atobe and H. Takizawa, Jap. Patent 58149951 to Nippon Shokubai Kagaku Kagyo KK (1982). 

Another variation is the catalytic oxidation of toluene with ammonia to produce benzonitrile. Such a process has been developed and is offered for license by Nippon Shokubai Kagaku Kogyo Company. Their plant is in Himeji, Japan. 

Nippon Shokubai Kagaku Kogyo (T. Yatagai, S. Matsuda, H. Matsuda) DAS. 1194856. 

Kinoschit F., Yoshikawa K., Fujioka K., Japanese Patent 2000271928 (to Nippon Shokubai Kagaku Kogyo) (2000). 

Komai, A., Shirane, N., Ito, Y. and Terui, S. (1977). Copper phthalocyanine in p crystal form—which is redder than a type and used for textile printing, resin coloring and in printing ink. Nippon Shokubai Kagaku Kogyo, Ltd. Patent DE 2 659 211. [266]... 

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