G - Physics – 03 – C
Patent
G - Physics
03
C
G03C 1/00 (2006.01) G03C 1/005 (2006.01) G03C 1/10 (2006.01) G03C 7/388 (2006.01)
Patent
CA 2047285
IM-0367 T I T L E A NOVEL METHOD FOR THE ADDITION OF POWDERS TO PHOTOGRAPHIC SYSTEMS ABSTRACT OF THE DISCLOSURE A process for improving the method by which a powder such as a dye is added to a gelatino silver halide element is described. This process involves encapsulating the powder within a gelatin capsule. This process avoids cross-contamination and dusting when powder is added to solvent and also reduces the use of extra solvent in the manufacture of the element.
E. I. Du Pont de Nemours And Company
Mason Eileen
Sim & Mcburney
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