S-triazine derivatives

S-triazolo (4,3-b)-s-triazoles and derivatives as...

Scavenger for integral color transfer assemblage

Screen combination

Screen emulsions

Scroll winding and loading apparatus and method

Secure photographic method and apparatus

Sedimentation stabilized radiation-curable filled compositions

Selective metallization process, additive method for...

Self-developing film assemblage with tapered spacing layer

Self-developing film pack with improved spread control...

Self-developing photographic film assemblage

Self-fixing imaging film containing reductant precursor

Self-processing film unit with liquid applicator

Self-processing photographic film units

Self-trimming photosensitive layer including a discontinuous...

Sensitisation of photographic silver halide emulsions

Sensitive photographic element for use in the silk screen...

Sensitization of fine-grained silver halide emulsions

Sensitization of photographic emulsions with gold compounds