Inventor
HOOVER TROY E
US6 patents
Patents
6 patentsUS4334072AJun 8, 1982
Lactone compounds containing an indolizine radical
APPLETON PAPER INC17 citations72
US4275206AJun 23, 1981
Lactone compounds containing an indolizine radical
APPLETON PAPER INC9 citations72
US4242513ADec 30, 1980
Lactone compounds containing a heterocyclic radical
APPLETON PAPER INC8 citations72
US5041547AAug 20, 1991
Chromogenic substituted 4,7-diazaphthalides
APPLETON PAPER INC2 citations61
US4520379AMay 28, 1985
Thermally-responsive record material
APPLETON PAPER INC2 citations60
US4232887ANov 11, 1980
Lactone compounds containing an indolizine radical
APPLETON PAPER INC1 citations51