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Tsuneo Tsubakimoto, Tadao Shimomura, Yoshio Irie, Yoshihiko Masuda: Absorbent resin composition and process for producing same. Nippon Shokubai Kagaku Kogyo &, Sherman & Shalloway, August 25, 1981: US04286082 (288 worldwide citation)

An absorbent resin composition obtained by copolymerizing in an aqueous solution a mixture of 100 parts by weight of an acrylate salt monomer (B) composed of 0 to 50 mol % of acrylic acid and 50 to 100 mol % of an alkali metal acrylate and 0.001 to 5 part by weight of a crosslinkable monomer (C) hav ...


2
Tsuneo Tsubakimoto, Tadao Shimomura, Yoshio Irie: Absorbent article. Nippon Shokubai Kagaku Kogyo, Sherman and Shalloway, May 19, 1987: US04666983 (232 worldwide citation)

An absorbent article obtained by mixing 100 parts by weight of an absorbent resin powder having a carboxyl group with 0.001 to 10 parts by weight of a crosslinking agent having at least two functional groups capable of reacting with the carboxyl group per molecule and reacting the absorbent resin po ...


3
Tsuneo Tsubakimoto, Tadao Shimomura, Yoshio Irie, Yoshihiko Masuda, Kazumasa Kimura, Takumi Hatsuda: Water absorbing agent. Nippon Shokubai Kagaku Kogyo, Sherman and Shalloway, March 29, 1988: US04734478 (218 worldwide citation)

The invention provides [I] a water-absorbing agent composed of a water-absorbing resin powder having the molecular chains near its surface being crosslinked, said powder being obtained by mixing 100 parts by weight of a powder of a carboxyl-containing water-absorbing resin selected from the group co ...


4
Tsuneo Tsubakimoto, Tadao Shimomura, Yoshio Irie: Method for continuous production of cross-linked polymer. Nippon Shokubai Kagaku Kogyo, Omri M Behr, November 25, 1986: US04625001 (151 worldwide citation)

A method for the continuous production of a cross-linked polymer having a low proportion of large particles, comprising the steps of continuously feeding the aqueous solution of a monomer capable of being converted by aqueous solution polymerization into a water-containing cross-linked gel polymer a ...


5
Tsuneo Tsubakimoto, Masahiro Hosoido, Hideyuki Tahara: Copolymer and method for manufacture thereof. Nippon Shokubai Kagaku Kogyo, Omri M Behr, September 11, 1984: US04471100 (85 worldwide citation)

A copolymer represented by the general formula: ##STR1## [wherein, A denotes an alkylene group of 2 to 4 carbon atoms, the --A--O--.sub.a chain may have at least one oxy-alkylene unit bonded in any possible order, a denotes an integer of the value of 1 to 100, R.sup.1 and R.sup.2 independently denot ...


6
Takumi Hatsuda, Kazumasa Kimura, Kinya Nagasuna, Akito Yano: Method of treating the surface of an absorbent resin. Nippon Shokubai Kagaku Kogyo, Burns Doane Swecker & Mathis, August 18, 1992: US05140076 (79 worldwide citation)

A method of treating the surface of an absorbent resin, which comprises mixing (A) 100 parts by weight of an absorbent resin powder possessing a carboxyl group (B) 0.01 to 30 parts by weight of a cross-linking agent, (C) 0 to 50 parts by weight of water, and (D) 0 to 60 parts by weight of a hydrophi ...


7
Koichi Saito, Kenji Ueda, Yasuo Ikeda: Exhaust gas cleaning catalyst and process for production thereof. Nippon Shokubai Kagaku Kogyo, Sherman and Shalloway, June 7, 1988: US04749671 (78 worldwide citation)

An exhaust gas cleaning catalyst composed of a refractory three-dimensional structure and a catalytically active substance supported thereon. That surface or part of the catalyst which makes contact with an exhaust gas is formed of numerous irregularly arranged protrusions composed of a refractory i ...


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Kazumasa Kimura, Takumi Hatsuda, Kinya Nagasuna: Method for treating the surface of an absorbent resin. Nippon Shokubai Kagaku Kogyo, Burns Doane Swecker & Mathis, November 17, 1992: US05164459 (66 worldwide citation)

A method for treating the surface of an absorbent resin which comprises mixing (I) 100 parts by weight of an absorbent resin powder having a carboxyl group, (II) 0.01 to 30 parts by weight of a polyhydric alcohol, (III) 0 to 50 parts by weight of water and (IV) 0 to 60 parts by weight of a hydrophil ...


10
Hidetoshi Takehara, Shorbu Shioji, Yohichi Nakagawa: Water soluble copolymer method for manufacture therefore and use thereof. Nippon Shokubai Kagaku Kogyo, Omri M Behr, February 19, 1985: US04500693 (66 worldwide citation)

A water-soluble copolymer useful for scale inhibitor and pigment dispersant, comprising 50 to 99.5 mol % of repeating units represented by the general formula I: ##STR1## wherein, R.sup.1 denotes a hydrogen atom or methyl group and X a hydrogen atom, alkali metal atom, alkaline earth metal atom, amm ...