Apparatus for keeping contamination away from a mask during...

Apparatus for preventing sparking in a high voltage electrical p

Application of protective polymer to processed diffusion transfe

Aqueous photoresist comprising casein and methylol acrylamide

Arrangement for cleaning ventilation air polluted with paint par

Automatic replenishment method and apparatus for photographic pr

Bicyclic reductone developing agents

Black-and-white photographic elements and processes

Blended internal latent image emulsions, elements including such

Carbon separation and collection device used for high...

Cathode ray storage tube having a target dielectric provided wit

Cathode ray storage tube having a target dielectric provided wit

Chemical fabrication of overhanging ledges and reflection gratin

Cleaning mechanism for ion emitting air conditioning device

Coating method and composition using cationic photoinitiators po

Color developer for diffusion transfer

Color diffusion transfer employing silver salt transfer reversal

Color diffusion transfer process employing phosphoramides

Color diffusion transfer process using benzyl alcohol and deriva

Color diffusion transfer receiving layer comprising polymeric qu