73469426
Mar 9, 1984
Jul 30, 1985
CHEMICAL REAGENT-CONTAINING INDICATORS, ESPECIALLY IN THE FORM OF TAGS AND LABELS, FOR INDICATING, BY A CHANGED NATURE OF THE REAGENT, THE STATE OF OR CONDITION OF PHARMACEUTICAL PRODUCTS, AND IN PARTICULAR SUCH INDICATORS FOR INDICATING THE TIME FOR WHICH THE PRODUCT HAS BEEN PACKED AND/OR THE TEMPERATURES THROUGH WHICH THE PRODUCT HAS PASSED
ChemicalsMEASURING AND CONTROLLING APPARATUS AND INSTRUMENTS, NAMELY, THERMOMETERS AND TEMPERATURE INDICATORS UTILIZING ENZYMATIC REACTIONS FOR DISPLAYING TEMPERATURE LIMITS BY COLOR CHANGE
Electrical and Scientific Apparatus