Oxalyl derivatives of dihydroxyphenyl containing dyestuffs,...

Oxazoline modified acid polymers useful in photosensitive...

Oxichromic compounds, stabilized oxichromic compounds and...

Oxidation inhibitors for photographic materials

Oxidation of toner compositions

Oxidation-reduction image forming compositions and elements

Oxidation-reduction image-forming combination

Oxidative release of photographically useful groups from...

Oxide coated electrode for corna generator

Oxide-coated carriers and preparation and use thereof

Oxidized transport donor roll coatings

Oxime derivatives and the use thereof as latent acids

Oxime derivatives and the use therof as latent acids

Oxonol dyes for light filtering layers in photographic elements