Substituted 1,4-bis-styrylbenzene and 4,4{40 -bis styrylbiphenyl and their use as optical brightners

摘要

Novel 1,4-bis-styryl-phenyl and 4,4'-bis-styryl-biphenyl derivatives, a process for their preparation, a process for optically brightening organic materials on using said compounds as well as detergent compositions containing said compounds are disclosed.