CH379286A
(en )
1964-06-30
Process for the production of color photographic images
CH430919A
(en )
1967-02-28
Process for the production of vat dyes
CH397420A
(en )
1965-08-15
Process for the production of color photographic overhead or transparency images
AT250784B
(en )
1966-11-25
Process for the production of direct positive color images
CH426479A
(en )
1966-12-15
Process for the production of positive, monochrome or multicolor photographic images by the color diffusion process
CH432684A
(en )
1967-03-31
Process for the production of organic dyes
CH472485A
(en )
1969-05-15
Process for the production of organic dyes
CH405929A
(en )
1966-01-15
Process for producing multicolored images by the silver dye bleaching method
CH464390A
(en )
1968-10-31
Process for the production of dyes
CH381087A
(en )
1964-08-15
Process for the production of color photographic images
AT226068B
(en )
1963-02-25
Process for the production of contrast-corrected, colored, photographic images by the silver color bleaching process
CH413595A
(en )
1966-05-15
Process for making direct positives using the silver salt diffusion process
CH409192A
(en )
1966-03-15
Process for the production of pigment dyes
AT352527B
(en )
1979-09-25
PROCESS FOR THE PRODUCTION OF COLOR PHOTOGRAPHIC IMAGES BY THE SILVER COLOR BLEACHING PROCESS
CH405075A
(en )
1965-12-31
Process for the production of a photographic color image in the opposite direction to the original by the silver color bleaching process
CH410941A
(en )
1966-04-15
Process for the preparation of organic phosphorothio compounds
CH428995A
(en )
1967-01-31
Process for the production of vat dyes
CH431761A
(en )
1967-03-15
Process for the production of dyes
CH393916A
(en )
1965-06-15
Process for the formation of photographic images by the silver salt diffusion process
CH467324A
(en )
1969-01-15
Process for the production of dyes
CH412947A
(en )
1966-05-15
Process for the production of color ribbons
CH428433A
(en )
1967-01-15
Process for producing colored photographic images by the silver dye bleaching method
CH432685A
(en )
1967-03-31
Process for the production of vat dyes
CH483037A
(en )
1969-12-15
Process for producing color photographic images by the silver dye bleaching process
CH386843A
(en )
1965-01-15
Photographic process for the production of color images