Inventor
BOIE IMMO
DE23 patents
Patents
23 patentsUS4407929AOct 4, 1983
Color photographic recording material for the production of colored images by the dye diffusion transfer process
AGFA GEVAERT AG7 citations73
US4840871AJun 20, 1989
Color photographic heat development process
AGFA GEVAERT AG9 citations72
US4605954AAug 12, 1986
Method of and arrangement for adjusting color saturation in a video printer
AGFA GEVAERT AG10 citations72
US4186016AJan 29, 1980
Color photographic recording material
AGFA GEVAERT AG9 citations72
US4049458ASep 20, 1977
Photographic silver halide material containing 2-equivalent yellow couplers
AGFA GEVAERT AG18 citations72
US4046575ASep 6, 1977
Color photographic material containing 2-equivalent yellow couplers
AGFA GEVAERT AG7 citations72
US4204867AMay 27, 1980
Process for the production of color photographic images using new white coupler substances
AGFA GEVAERT AG7 citations71
US4133958AJan 9, 1979
2-Equivalent yellow couplers
AGFA GEVAERT AG12 citations71
US4894312AJan 16, 1990
Dye diffusion process with base precursor salts of strong organic bases and weak organic acids
AGFA GEVAERT AG2 citations62
US4810615AMar 7, 1989
Colour photographic recording material containing a dye releasing compound for cyan dyes and a colour image produced with these dyes
AGFA GEVAERT AG6 citations62
US4847179AJul 11, 1989
Photographic dye diffusion transfer process and color photographic recording material suitable for this process
AGFA GEVAERT AG3 citations61
US4508809AApr 2, 1985
Process for the exposure and development of photo-graphic images and an apparatus for carrying out the process
AGFA GEVAERT AG3 citations61
US4429033AJan 31, 1984
Process for the production of color prints by the dye-diffusion transfer process
AGFA GEVAERT AG3 citations61
US3973979AAug 10, 1976
Color photographic materials containing diffusion fast pyrazolone couplers
AGFA GEVAERT AG5 citations61
US3931221AJan 6, 1976
Process for preparing 3-anilino-pyrazolones-(5)
AGFA GEVAERT AG4 citations61
US4399212AAug 16, 1983
Method of processing an exposed photographic material and processing band for carrying out the method
AGFA GEVAERT AG6 citations60
US4138557AFeb 6, 1979
2-Equivalent yellow couplers
AGFA GEVAERT AG2 citations60
US4138263AFeb 6, 1979
Photographic silver halide material with 2-equivalent, N-heterocyclic yellow couplers
AGFA GEVAERT AG3 citations60
US4379829AApr 12, 1983
Photographic material containing a temporary barrier layer applied from an organic solution
AGFA GEVAERT AG2 citations58
US4031130AJun 21, 1977
Aliphatic β-keto esters
AGFA GEVAERT AG2 citations57
US4537486AAug 27, 1985
Apparatus for the exposure and development of photographic images
AGFA GEVAERT AG0 citations51
US4486085ADec 4, 1984
Apparatus for developing color-photographic images in etching alkaline solutions according to the color diffusion process
AGFA GEVAERT AG1 citations45
US4532201AJul 30, 1985
Process and an apparatus for the development of photographic two-sheet diffusion materials
AGFA GEVAERT AG0 citations40