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Inventor
EHLERS KLAUS P
DE
2 patents
Patents
2 patents
US4196180A
Apr 1, 1980
Purification of phosphoric acid by means of organic solvents
HOECHST AG
7 citations
70
US4134964A
Jan 16, 1979
Process and apparatus for purifying wet-processed phosphoric acid
HOECHST AG
8 citations
69