Shifted anthraquinone dye developing agents

Details Shifted anthraquinone dye developing agents Shifted anthraquinone dye developing agents

1975-10-08

1978-11-07

Schilling, Richard L.

Gas separation: apparatus

Electric field separation apparatus

Plural diverse electric fields

96 3, 96 29D, 96 99, G03C 110, G03C 140, G03C 700, G03C 554

Patent

active

041243935

ABSTRACT:
Photographic dye developing agents represented by the following formula (I): ##STR1## wherein A represents an anthraquinone dye moiety, X represents a hydrogen atom, an aliphatic hydrocarbon group, an alicyclic hydrocarbon group, an aryl group or a heterocyclic group, at least one of A and X contains an o-dihydroxyphenyl group or a p-dihydroxyphenyl group as a dye developing agent moiety, n is an integer of 1 to 4, and COY represents a group which is released from the nitrogen atom at a pH of above 9.

REFERENCES:
patent: 2983605 (1961-05-01), Corley
patent: 3076808 (1963-02-01), Blout et al.
patent: 3135606 (1964-06-01), Blout et al.
patent: 3209016 (1965-09-01), Blout et al.
patent: 3236865 (1966-02-01), Jarrett
patent: 3239339 (1966-03-01), Dershowitz
patent: 3307947 (1967-03-01), Idelson et al.
patent: 3429872 (1969-02-01), Blout et al.
patent: 3431107 (1969-03-01), Weyerts

Affiliated with

Also associated with

Rating

Shifted anthraquinone dye developing agents does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Shifted anthraquinone dye developing agents, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shifted anthraquinone dye developing agents will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2232103