Inventor

PIGEON MARCEL

5 patents

⚠️ This page may combine multiple inventors who share the name “PIGEON MARCEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RHONE POULENC SYST

3 patents

US4315065AFeb 9, 1982

Oleophilic, film-forming photopolymerizable diazo and epoxy resin compositions and lithographic plates prepared therefrom

RHONE POULENC SYST9 citations68

US4299893ANov 10, 1981

Photosensitive article for making visual aids with diazonium compounds and liquid epoxy resin

RHONE POULENC SYST9 citations68

US4299905ANov 10, 1981

Water-developable film-forming diazonium compound containing photopolymerizable compositions and negative-working lithographic plates prepared therefrom

RHONE POULENC SYST3 citations57

RHONE POULENC GRAPHIC

1 patent

US4287288ASep 1, 1981

Lithographic plate of tin-plated steel and method of manufacture

RHONE POULENC GRAPHIC8 citations64

CELLOPHANE SA

1 patent

US4226931AOct 7, 1980

Process of making lithographic plate, and plate from photosensitive element

CELLOPHANE SA4 citations52