Benzimidazoles and their use as charger stabilizers
AssigneeBASF SE
InventorsGunter-Rudolf Schroeder, Udo Mayer
Life of this patent
Estimating the term…
Abstract
Benzimidazoles of the formula ##STR1## where n and q independently of one another are each 1 or 2, R.sup.1 is hydrogen, chlorine or methyl, R.sup.2 is hydrogen, unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl, halogen, nitro or C.sub.1 -C.sub.4 -alkanoyl, L is C.sub.2 -C.sub.6 -alkylene and An.sup.$ is one equivalent of an anion, are used as charge stabilizers in electrostatic toners.
Claims11
A benzimidazole of the formula I ##STR14## where n and q independently of one another are each 1 or 2, R.sup.1 is hydrogen, chlorine or methyl, R.sup.2 is hydrogen, unsubstituted, hydroxyl- or C.sub.1 -C.sub.4 -alkoxy-substituted C.sub.1 -C.sub.4 -alkyl, halogen, nitro or C.sub.1 -C.sub.4 -alkanoyl, L is C.sub.3 -C.sub.6 -alkylene and An.sup..crclbar. is an anion.
A benzimidazole of the formula I ##STR15## where n and q independently of one another are each 1 or 2, R.sup.1 is hydrogen, chlorine or methyl, R.sup.2 is unsubstituted, hydroxyl- or C.sub.1 -C.sub.4 -alkoxy-substituted C.sub.1 -C.sub.4 -alkyl, halogen, nitro or C.sub.1 -C.sub.4 -alkanoyl, L is C.sub.3 -C.sub.6 -alkylene and An.sup..crclbar. is an anion.
Dependencies are inferred from the claim text.