Chemistry: physical processes – Physical processes – Crystallization
Patent
1975-11-14
1977-04-05
Marantz, Sidney
Chemistry: physical processes
Physical processes
Crystallization
21DIG4, 23253TP, 116114AM, 252408, 260157, 260158, 260165, G01N 2106, C09B 2900
Patent
active
040159370
ABSTRACT:
Process for detecting the completion of a gaseous alkylene oxide sterilization treatment of medical or surgical equipment by the color change of particular azo dye indicators. The indicator composition contains an azo dye such as ##STR1##
REFERENCES:
patent: 2606654 (1952-08-01), Davis
patent: 2798855 (1957-07-01), Hainsworth
patent: 2998306 (1961-08-01), Huyck et al.
patent: 3093242 (1963-06-01), Huyck
patent: 3627469 (1971-12-01), Cheng
patent: 3684737 (1972-08-01), Emigh
patent: 3852034 (1974-12-01), Gunther
Fujiwara Kunitaka
Miyamoto Kozo
Marantz Sidney
Sakata Shokai Ltd.
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