Phenoxy carbonyl derivatives of a paraphenylenediamine color dev

Photo-curing method for epoxy resin using group VIa onium salt

Photo-imaging utilizing alkali-activated photopolymerizable comp

Photo-imaging utilizing alkali-activated photopolymerizable comp

Photo-sensitive etchant and method for forming metal image using

Photochromic composition containing a diphenyl dibenzochrom-3-en

Photocurable composition containing an o-quinonodiazide for prin

Photographic developing agents

Photographic dye diffusion transfer process

Photographic element containing a photoreducible salt of an aryl

Photographic elements containing nitroxyl radical oxidants

Photographic elements containing vesicles of rhodopsin and lipid

Photographic film units containing aza heterocyclic polymeric mo

Photographic fixing process

Photographic image transfer element and process

Photographic image transfer elements containing neutralizing lay

Photographic material containing an energy-sensitive organic o-n

Photographic material containing an organo-tellurium compound a

Photographic material containing TiO.sub.2, soluble Cu(II) salt,

Photographic material for use in the silver complex diffusion tr