Inventor
GITZEL JOERG
DE10 patents
Patents
10 patentsUS5147748ASep 15, 1992
Use of colorless highly fluorine-substituted phosphonium compounds as charge control agents for electrophotographic recording processes
HOECHST AG27 citations92
US5401809AMar 28, 1995
Polymer ammonium borates and processes for their preparation
HOECHST AG23 citations91
US5342723AAug 30, 1994
Biscationic acid amide and acid imide derivatives as charge controllers
HOECHST AG21 citations91
US5069994ADec 3, 1991
Use of colorless, intensely fluorinated ammonium and iminium compounds as charge control agents for electrophotographic recording processes
HOECHST AG41 citations90
US5693867ADec 2, 1997
Process for isolating tetraphenylborates
HOECHST AG6 citations72
US5187038AFeb 16, 1993
Polymeric ammonium compounds as charge control agents
HOECHST AG12 citations72
US5329046AJul 12, 1994
Biscationic acid amide and imide derivatives and processes for their preparation
HOECHST AG4 citations62
US5055619AOct 8, 1991
Phosphonium compounds and processes for their preparation
HOECHST AG3 citations62
US5053537AOct 1, 1991
Ammonium and iminium compounds
HOECHST AG4 citations60
US5600003AFeb 4, 1997
Process for isolating tetraphenylborates
HOECHST AG4 citations59