Inventor
KARRENBAUER KURT
DE4 patents
Patents
4 patentsUS4268437AMay 19, 1981
Continuous diazotization of amines
HOECHST AG19 citations70
US4454067AJun 12, 1984
Continuous production of azo pigments
HOECHST AG11 citations69
US4252983AFeb 24, 1981
Production of acetic anhydride and acetic acid from acetaldehyde
HOECHST AG4 citations60
US4439361AMar 27, 1984
Process for controlling diazotization reactions involving nitrous reactant by testing the air above the reaction batch for its content of nitrous gases and feeding nitrous reactant in accordance with said content
HOECHST AG2 citations58