QUASI-REVERSIBLE HEAT INDICATOR Russian patent published in 1999 - IPC

Abstract RU 2134177 C1

FIELD: visual monitoring of heat conditions in various technological processes. SUBSTANCE: proposed heat indicator presents coordination compound of nickel chloride with dimethylformamide that has reversible thermochromic transfer of color at 90 C. It includes cheap and available organic ligand displaying favorable donor and steric characteristics. EFFECT: improved efficiency for visual monitoring of heat conditions.

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RU 2 134 177 C1

Authors

Cherkasova T.G.

Dates

1999-08-10Published

1998-04-27Filed