Inventor

MATSCHKE GUNTHER

2 patents

Patents

2 patents

US4148653AApr 10, 1979

Restraining layer for retarding the diffusion of hydroxyl ions in the dye diffusion transfer process

AGFA GEVAERT AG2 citations60

US4088493AMay 9, 1978

Diffusion retarding layers comprising polymers of dimethoxyethylene

AGFA GEVAERT AG2 citations58