Temperature responsive sterility indicator

Details Temperature responsive sterility indicator Temperature responsive sterility indicator

1975-04-14

1976-09-21

Yudkoff, Norman

Chemistry: physical processes

Physical processes

Crystallization

21 2, 73356, 73358, 116114AM, 116114V, 116114Y, G01N 3122, G01K 1106, G01K 1112

Patent

active

039816834

ABSTRACT:
A sterility indicator comprising a backing strip of a dimensionally stable material e.g. aluminum foil having mounted thereon an organic compound containing oxygen or nitrogen in intimate contact with a wicking means and a cover strip bonded to the backing strip overlaying the organic compound and wicking means. The cover strip is a polymeric rate controlling film which permits water vapor to pass through at a rate sufficient to make the device operative at a temperature to be monitored.

REFERENCES:
patent: 2799167 (1957-07-01), Loconti
patent: 2889799 (1959-06-01), Korpman
patent: 3002385 (1961-10-01), Wahl et al.
patent: 3046786 (1962-07-01), Tessem
patent: 3082624 (1963-03-01), Renier
patent: 3420205 (1969-01-01), Morison

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