Amorphous compositions of dyes and binder-mixtures in optical re
Azo dyes containing phosphamic acid diester groups
Cationic hydrazone derivatives, processes for their preparation
Color imaging element and method of forming color diffusion...
Color photographic material
Color photographic material
Color photographic materials and color photographic images
Color photographs and method for preparation of the same
Color-photographic recording material for the silver dye bleach
Cyan dye-forming couplers
Cyan dye-forming couplers and photographic elements and processe
Cyclic acetals or ketals of beta-keto esters or amides
Dye receptor sheet for thermal dye and mass transfer imaging
Dyes and dye-donor elements for use in thermal dye transfer
Electrographic process for making transparencies
Electrophotosensitive materials for migration imaging processes
Element having images developed with dry nonelectroscopic toners
Erasable ceramic bar-code
Fluorescent compositions and their use
Forming a pattern of a negative photoresist