Thermal detecting paint compositions

Claim 1

A composition for application to designated portions of a turbine generator and which is useful in determining the location of overheating, said composition comprising (a) a coating composition comprising an organic resin having a thermal particulation temperature below 250° C. and (b) from 0.1% to 0.5% by weight of a tagging compound selected from the group consisting of: (1) an organic compound of the formula ##STR6## (2) an organic compound of the formula, ##STR7## (3) an organic compound of the formula, ##STR8## where X is a halogen radical, R and R 1 are separately selected from C.sub.(1-23) alkyl radicals, which together total C.sub.(12-24) carbon atoms, C.sub.(6-20) cycloalkyl radicals and heterocyclic radicals, where the divalent heterocyclic radical joined to N has the formula, ##STR9## Q is selected from --O--, --S-- and --SO 2 --, y and z are integers having a value of 1 to 23 inclusive while together total 12 to 24, R 2 and R 3 are separately selected from C.sub.(1-23) alkyl radicals, which together total C.sub.(12-24) carbon atoms and C.sub.(6-20) cycloalkyl radicals, R 4 is selected from C.sub.(6-20) alkyl and cycloalkyl.