Selectively permeable layers for diffusion transfer film units

Self ionizing pleated air filter system

Self-cleaning insulator for use in an electrostatic precipitator

Sensitizing a granular dispersion of a color generator and an or

Separable air purifying apparatus

Separable air purifying apparatus

Separating contaminants from gas ions in corona discharge...

Sequential peeling for mask preparation for fabrication of micro

Shallow relief photopolymer printing plate and methods

Shallow relief photopolymer printing plate and methods

Shifted anthraquinone dye developing agents

Silver bleaching solutions

Silver halide color photographic element and process containing

Silver halide color photographic light-sensitive material

Silver halide color photographic material

Silver halide color photographic material containing yellow coup

Silver halide color photographic materials

Silver halide color photographic materials containing 3-anilino-

Silver halide color photographic materials containing 3-anilino-

Silver halide color photographic materials containing 3-anilino-