Louis Cincotta

Photosensitive compositions containing linked spectral sensitizers

3,6-Di(alkyl/phenyl)amino-9-carboxamidophenyl-xanthenes

Novel xanthene dye developers

Novel xanthene compounds and their photographic use

Bis-type quaternary salts including benzothiazole and benzimidazole rings and process for preparing dye therewith

Process for preparing aralkyl derivatives of xanthene compounds

Thiazine-1,1-dioxide and isothiazole-1,1-dioxide derivatives and process for preparation

Synthesis of perhalomethylcarbinol-substituted phenol and naphthol sulfamphthalein dyes from the corresponding triacylated derivatives

3-Substituted benz[d]isothiazole-1,1-dioxides

Carbocyclic aryl compounds substituted with a tetrahydro-2H,4H-1,3,6-dioxazocino moiety