Formazan images by physical development of catalytic metal nucle

Details Formazan images by physical development of catalytic metal nucle Formazan images by physical development of catalytic metal nucle

1975-04-14

1977-08-16

Louie, Jr., Won H.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 77, 96 75, 96 49, 96 88, 96 54, 96 60R, 96 48R, 96 48HD, 427 33T, 427430B, 106 1, 427 35, G03C 524, G03C 140

Patent

active

040423921

ABSTRACT:
A process for the formation of formazan dye images employing nuclei of metals from Groups VIIIB and/or IB of the periodic table to catalyze the reduction of tetrazolium salts to the corresponding formazan dye by a reducing agent.

REFERENCES:
patent: 3152903 (1964-10-01), Shepard et al.
patent: 3278366 (1966-10-01), Schiele
patent: 3642478 (1972-02-01), Brault et al.
patent: 3650748 (1972-03-01), Yudelson
patent: 3663225 (1972-05-01), McLeod
patent: 3700448 (1972-10-01), Hillson et al.
patent: 3713824 (1973-01-01), Manhardt
patent: 3719490 (1973-03-01), Yudelson
patent: 3880724 (1975-04-01), Gysling

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