21
Makoto Terauchi, Chikako Ikeda, Mitsutoshi Aritomi: Aromatic polythioetherimide. Mitsubishi Petrochemical, Oblon Spivak McClelland Maier & Neustadt, April 2, 1991: US05004800 (2 worldwide citation)

An aromatic polythioetherimide is disclosed, which comprises at least 50 mol % of a repeating unit represented by formula (I): ##STR1## wherein Ar is as defined in the specification, with the total of the repeating unit(s) being 100 mol %. The polythioetherimide has an excellent balance between heat ...


22
Haruo Ohmura, Mitsutoshi Aritomi, Michiharu Kihira, Hiroshi Nakano: Process for producing amino group terminated polyphenylene ether. Mitsubishi Petrochemical, Sughrue Mion Zinn Macpeak & Seas, March 2, 1993: US05191030 (2 worldwide citation)

A process for producing an amino group terminated polyphenylene ether represented by the following general formula (I) ##STR1## wherein Q.sup.1 s each represents a halogen atom, a primary or secondary alkyl group, a phenyl group, an aminoalkyl group, a hydrocarbon oxy group or a halohydrocarbon oxy ...


23
Toru Tsukahara, Mitsutoshi Aritomi, Yusuke Arashiro, Shinichi Yamauchi, Hiromi Nishimura: Polyhydroxyphenylene ether resin and process for preparing the same. Mitsubishi Petrochemical, Oblon Spivak McClelland Maier & Neustadt, April 13, 1993: US05202409 (1 worldwide citation)

Disclosed is a process for preparing a polyhydroxyphenylene ether resin which comprises copolymerizing a phenol-substituted compound having hydroxyl group as a substituent, represented by the formula (I): ##STR1## wherein m and n each represents an integer satisfying the formulae 1.ltoreq.m and m+n. ...


24
Mitsutoshi Aritomi, Eisuke Fujiwara: Process for production of highly rigid shaped product of polymer containing therein diacetylene group. Agency of Industrial Science and Technology, Oblon Fisher Spivak McClelland & Maier, March 31, 1987: US04654178 (1 worldwide citation)

A method for producing polyurethane or polyester containing therein the diacetylene group having high rigidity and useful in manufacturing precision mechanical parts, which comprises molding a polymer material containing therein the diacetylene group having a unit structure to be represented by the ...


25
Masayuki Tomida, Hitoshi Nimura, Mitsutoshi Aritomi: Method for producing graft-modified copolymers. Mitsubishi Petrochemical Company, Oblon Spivak McClelland Maier & Neustadt, August 2, 1994: US05334664 (1 worldwide citation)

A method for producing a graft-modified copolymer comprising the step of subjecting 100 parts by weight of an unsaturated copolymer comprising an .alpha.-olefin of 3 to 12 carbon atoms and a cyclic olefin represented by the following formula (I), and 0.1 to 300 parts by weight of a radically polymer ...


26
Tadashi Uyda, Keiko Matsushita, Mitsutoshi Aritomi: Wettability improved modified ethylene resin. Mitsubishi Chemical, liu yuanjin, April 14, 1999: CN98118356

There is provided a modified ethylene resin produced by subjecting(a)an ethylene resin to modification with(b)an alpha , beta-unsaturated carboxylic ester having a hydrocarbon-terminated polyalkylene oxide chain, and with(c)an aromatic vinyl compound and/or(d)an ester of an alpha , beta-unsaturated ...