4-Hydroxypyrazole developing agents

Details 4-Hydroxypyrazole developing agents 4-Hydroxypyrazole developing agents

1977-08-01

1978-07-25

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 66HD, G03C 538, G03C 530

Patent

active

041026845

ABSTRACT:
Certain 4-hydroxypyrazoles are employed as silver halide developing agents which find particular utility in diffusion transfer photographic processes.

REFERENCES:
patent: 2751300 (1956-06-01), James et al.
patent: 2981740 (1961-04-01), Henkel et al.
patent: 2983606 (1961-05-01), Rogers
Chem. Abstracts 5478e vol. 52, No. 7, 4/1958.
Photographic Chemistry Glafides, Fountain Press, London 1960, pp. 719-722.
Pyrazoles . . . Rings, John Wiley & Sons, N. Y., 1967, pp. 126-128.
"The Nitrosation . . . Derivatives," Freeman et al., J. Org. Chem., 34, pp. 187-193.
"Synthesis of Pyrazol-4-ols" Canadian J. of Chem. 48, p. 3563, 1970.

Affiliated with

Also associated with

Rating

4-Hydroxypyrazole 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 4-Hydroxypyrazole developing agents, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 4-Hydroxypyrazole developing agents will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1418809