1
Tanaka Fujio, Adachi Takashi, Suzuki Toshimi, Noguchi Mutsuro, Kobayashi Tomoaki: Process for producing purified aqueous hydrogen peroxide solution and apparatus. Santoku Chemical, January 2, 2002: EP1167290-A2 (11 worldwide citation)

The present invention provides a process for producing a purified aqueous hydrogen peroxide solution, comprising passing a charged aqueous hydrogen peroxide solution containing impurities through a purifier tower (12) packed with an ion exchange resin, a chelate resin or an adsorption resin to there ...


2
Fujio Tanaka, Takashi Adachi, Toshimi Suzuki, Mutsuro Noguchi, Tomoaki Kobayashi: Process for producing purified aqueous hydrogen peroxide solution. Santoku Chemical, Webb Ziesenheim Logsdon Orkin & Hanson P C, August 31, 2004: US06783748 (8 worldwide citation)

A process for producing a purified aqueous hydrogen peroxide solution, comprising passing a charged aqueous hydrogen peroxide solution containing impurities through a purifier tower packed with an ion exchange resin, a chelate resin or an adsorption resin to thereby purify the charged aqueous hydrog ...


3
Fujio Tanaka, Ichiro Sugawara, Takashi Adachi, Kazuhisa Mine: Process for producing a purified aqueous hydrogen peroxide solution. Santoku Chemical, Webb Ziesenheim Logsdon Orkin & Hanson P C, May 24, 2005: US06896867 (2 worldwide citation)

A process for producing a purified aqueous hydrogen peroxide solution comprises contacting an aqueous hydrogen peroxide solution containing metal ion impurities firstly with a H+ type cation exchange resin, secondly with a carbonate iron (CO32−) type or bicarbonate ion (HCO3−) type anion exchange re ...


4
Fujio Tanaka, Takashi Adachi, Toshimi Suzuki, Mutsuro Noguchi, Tomoaki Kobayashi: Method of regenerating ion exchange resin. Santoku Chemical, The Webb Law Firm, June 28, 2005: US06911481 (2 worldwide citation)

A method of regenerating an ion exchange resin, comprising the steps of packing a used ion exchange resin in a regeneration tower; and repeating at least twice a step comprising passing an aqueous solution of regenerant through the regeneration tower downward from a top part of the regeneration towe ...


5
Fujio Tanaka, Takashi Adachi, Kazuhisa Mine, Kazuya Kimura: Process for producing a purified aqueous hydrogen peroxide solution. Santoku Chemical, Webb Ziesenheim Logsdon Orkin & Hanson P C, November 18, 2003: US06649139 (1 worldwide citation)

A process for producing a highly purified aqueous hydrogen peroxide solution by removing silicon oxide impurities from an aqueous hydrogen peroxide solution containing silicon oxide impurities by adding a flocculating agent and filtering out impurities of solid content contained in the aqueous hydro ...


6
Tanaka Fujio, An Satotaka, Suzuki Toshimi: Method for regeneration of ion-exchange resin. Santoku Chemical Industrial, zhou chengze, January 9, 2002: CN01121701 (1 worldwide citation)

A method of regenerating an ion exchange resin, comprising the steps of packing a used ion exchange resin in a regeneration tower; and repeating at least twice a step comprising passing an aqueous solution of regenerant through the regeneration tower downward from a top part of the regeneration towe ...


7
Fujio Tanaka, Takashi Adachi, Toshimi Suzuki, Mutsuro Noguchi, Tomoaki Kobayashi: Apparatus for producing purified aqueous hydrogen peroxide solution. Santoku Chemical, The Webb Law Firm P C, May 6, 2008: US07368088

An apparatus for producing a purified aqueous hydrogen peroxide solution. The apparatus includes at least one purifier tower packed with an ion exchange resin, a chelate resin or an adsorption resin for receiving a charged aqueous hydrogen peroxide solution containing impurities so as to effect cont ...


8
Tanaka Fujio, Sugawara Ichiro, Adachi Takashi, Mine Kazuhisa: Process for producing a purified aqueous hydrogen peroxide solution. Santoku Chemical, January 2, 2002: EP1167288-A2

The present invention provides a process for producing a high-purity aqueous hydrogen peroxide solution from which metal ion impurities are removed as much as possible by purifying an aqueous hydrogen peroxide solution containing metal ion impurities. Specifically, the invention provides a process f ...


9
Tanaka Fujio, Adachi Takashi, Suzuki Toshimi, Noguchi Mutsuro, Kobayashi Tomoaki: Method of regenerating ion exchange resin. Santoku Chemical, January 2, 2002: EP1166872-A2

The present invention provides a method of regenerating an ion exchange resin, comprising the steps of packing a used ion exchange resin in a regeneration tower; and repeating at least twice a step comprising passing an aqueous solution of regenerant through the regeneration tower downward from a to ...


10
Tanaka Fujio, Adachi Takashi, Mine Kazuhisa, Kimura Kazuya: Process for producing a purified aqueous hydrogen peroxide solution. Santoku Chemical, January 2, 2002: EP1167289-A2

The present invention provides a process for producing a highly purified aqueous hydrogen peroxide solution from which silicon oxide impurities are removed to a minimum by purifying an aqueous hydrogen peroxide solution containing silicon oxide impurities. The present invention comprises a process f ...