Use of manganous compounds in image transfer elements

Use of oxalic acid or an acid salt thereof in color transfer ass

Use of reflecting agent in yellow dye image-providing material l

Use of zinc salts to increase dye stability

Using a multichannel linear laser light beam in making OLED...

Vacuum roll separation system for photographic paper

Variable density photographic transparencies

Vinyl-ester polymeric timing layer for color transfer assemblage

Water reservoir layers in bleach-fix sheets

Water-borne polyester coated imaging member

Water-dispersible polyester adhesives for photographic materials

Yellow 2:1 chrome complexed dye developers

Yellow and magenta chromogenic leuco dyes for photothermographic