Oxygen indicator adapted for printing or coating and oxygen-indi

Details Oxygen indicator adapted for printing or coating and oxygen-indi Oxygen indicator adapted for printing or coating and oxygen-indi

1980-06-27

1982-09-14

Evans, Joseph E.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

23932, 252408, 422 56, 426 87, G01N 3122, C09K 300

Patent

active

043495095

ABSTRACT:
An oxygen indicator adapted for printing or coating which comprises (a) at least one reducing agent, (b) a dyestuff causing color change when it is reduced with the reducing agent, (c) at least one thickening agent and (d) at least one solvent and a sheet-like oxygen indicator in which a composition comprising the above four components (a)-(d) is coated or printed on a substrate are disclosed.

REFERENCES:
patent: 3963442 (1976-06-01), Bullard et al.
patent: 4169811 (1979-10-01), Yoshikawa et al.

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