Yellow dye-forming couplers and color photographic elements cont

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

430557, G03C 736

Patent

active

053607139

ABSTRACT:
Yellow dye-forming couplers of the acylacetanilide class, having an electron withdrawing group or electronegative element attached to the keto functional group, have excellent light-absorption characteristics and are useful in photographic elements.

REFERENCES:
patent: 2298443 (1942-10-01), Weissberger
patent: 2407210 (1946-09-01), Weissberger et al.
patent: 2875057 (1959-02-01), McCrossen et al.
patent: 3056675 (1962-10-01), Hoffstadt
patent: 3265506 (1966-08-01), Weissberger et al.
patent: 3408194 (1968-10-01), Loria
patent: 3447928 (1969-06-01), Loria
patent: 3681076 (1972-08-01), Skoog
patent: 4157919 (1979-06-01), Lau
patent: 4230851 (1980-10-01), Renner
patent: 4327175 (1982-04-01), Toda et al.
patent: 4401752 (1983-08-01), Lau
patent: 4409307 (1983-10-01), Lelontal et al.
patent: 4529691 (1985-07-01), Renner et al.
patent: 4783397 (1988-11-01), Ogawa et al.
patent: 4994345 (1991-02-01), Yoshizawa et al.
Chem. Abstracts Registery Number RN 88185-90-4.

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

Yellow dye-forming couplers and color photographic elements cont does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Yellow dye-forming couplers and color photographic elements cont, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Yellow dye-forming couplers and color photographic elements cont will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1802007

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