Photographic contrast enhancers

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

430554, G03C 140, G03C 110, G03C 700

Patent

active

042073936

ABSTRACT:
Certain phenolic compounds have been found to enhance the contrast of dispersed coupler color photographic elements when the coupler is a 1-phenyl-3-anilino-5-pyrazolone magenta coupler.

REFERENCES:
patent: 2955038 (1960-10-01), Smith
patent: 3043697 (1962-07-01), Forsgard
patent: 3408194 (1968-10-01), Loria
patent: 3930866 (1976-01-01), Oishi et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Photographic contrast enhancers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Photographic contrast enhancers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photographic contrast enhancers will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-863593

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.