04698153 is referenced by 33 patents and cites 4 patents.

Projections are removed from the surfaces of ion exchange resin particles by contacting the resin particles with a liquefied gas or supercritical gas in advance. The ion exchange resin thus prepared can remove ions from raw water so thoroughly that the water quality can be improved to that of ultra-pure water.

Title
Apparatus for producing ultra-pure water by ion exchange resin
Application Number
6/699437
Publication Number
4698153
Application Date
February 7, 1985
Publication Date
October 6, 1987
Inventor
Minoru Kuroiwa
Abiko
JP
Sankichi Takahashi
Hitachi
JP
Katsuya Ebara
Moto
JP
Masayoshi Kubota
Hitachiota
JP
Harumi Matsuzaki
Hitachi
JP
Agent
Antonelli Terry & Wands
Assignee
Hitachi
JP
IPC
C02F 1/42
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