Gunter-Rudolf Dr Schroeder

Benzimidazoles and their use as charge stabilizers

Doubled triphenylmethane dyes having bis acylpiperazine linkage

Benzimidazoles and their use as charger stabilizers

DISAZO DYES WITH HYDROXYSULFONYLNAPHTHALENE COUPLING COMPONENTS

Electrostatic toner containing a keto compound as a charge stabilizer

Benzimidazole dimers and their use as charge stabilizers

Oligomere Triarylmethanfarbstoffe Oligomeric triarylmethane

Xanthene dyes for electrophotographic recording procedures

Double benzimidazoles and their use as charge stabilizers

Verdoppelte Benzimidazole und ihre Anwendung als Ladungsstabilisatoren Doubled benzimidazoles and their use as charge stabilizers