Vacuum treatment of coated, direct-positive, silver halide...

Variable density light filtering means utilizing leuco...

Variable density light filtering system

Very sensitive diazo photographic reproduction process

Vesicular composition, element and process

Vesicular film composition including a branched epoxy resin...

Vesicular films containing polymethacrylonitrile vehicle

Vesicular recording material containing a cationic...

Vesicular recording material containing a sulphone or...

Vesicular recording material including a copolymer...

Vesicular recording materials containing a cationic...

Vinyl ester blend for photographic film

Vinylsulfonyl-containing compounds as hardening agents

Visible light bichromate process and material

Visible light sensitive, thermally developable imaging...

Visible radiation sensitive composition

Visual film identification