Inventor
WERNER HUGO
DE4 patents
Patents
4 patentsUS4603039AJul 29, 1986
Process for making phosphorus pentoxide and optionally phosphoric acid with utilization of the reaction heat
HOECHST AG33 citations88
US4525329AJun 25, 1985
Process and apparatus for making phosphorus pentoxide with utilization of reaction heat
HOECHST AG11 citations70
US4252770AFeb 24, 1981
Apparatus for the production of phosphoric acid
HOECHST AG5 citations59
US4176765ADec 4, 1979
Self-cleaning bucket wheel lock
HOECHST AG3 citations53