Inventor
RESSEL HERBERT
DE5 patents
Patents
5 patentsUS4620966ANov 4, 1986
Process for defluorinating alkali metal phosphate solutions
HOECHST AG1 citations51
US4705671ANov 10, 1987
Apparatus for reducing iron and vanadium in phosphoric acid solution
HOECHST AG2 citations50
US4780294AOct 25, 1988
Process for making crude phosphoric acid
HOECHST AG1 citations49
US4642224AFeb 10, 1987
Process for reducing iron and vanadium in phosphoric acid solution
HOECHST AG1 citations49
US4683127AJul 28, 1987
Process for making wet-process phosphoric acid
HOECHST AG0 citations39