Inventor
MATHIAPARANAM PONNAMPALAM
US18 patents
Patents
18 patentsUS6429341B2Aug 6, 2002
Modifier compounds
APPLETON PAPER INC5 citations73
US5116978AMay 26, 1992
Process for bis(indolyl)ethylene synthesis
APPLETON PAPER INC8 citations73
US5086171AFeb 4, 1992
Bis-(indolyl)ethylenes
APPLETON PAPER INC10 citations73
US6835691B2Dec 28, 2004
Thermally-responsive record material
APPLETON PAPER INC10 citations72
US5157012AOct 20, 1992
Di[bis-(indolyl)ethylenyl]tetrahalophthalide record materials
APPLETON PAPER INC7 citations72
US7125824B2Oct 24, 2006
Linerless labels
APPLETON PAPER INC9 citations68
US6566301B2May 20, 2003
Thermally-responsive record material
APPLETON PAPER INC8 citations68
US5218127AJun 8, 1993
Method of preparing mono (indolylethylenyl) phthalides
APPLETON PAPER INC5 citations62
US5200519AApr 6, 1993
Mono(indolylethylenyl)phthalides
APPLETON PAPER INC3 citations62
US5039821AAug 13, 1991
Process for producing di[bis-(indolyl)ethylenyl]tetrahalophthalides
APPLETON PAPER INC3 citations62
US4996328AFeb 26, 1991
Bis-(indolyl)ethylenes
APPLETON PAPER INC2 citations62
US4970308ANov 13, 1990
Di(bis-(indolyl)ethylenyl)tetrahalophtalides
APPLETON PAPER INC2 citations62
US4736036AApr 5, 1988
Process for the preparation of quinolinic acid
APPLETON PAPER INC3 citations62
US6559097B2May 6, 2003
Thermally-responsive record material
APPLETON PAPER INC0 citations51
US6323376B1Nov 27, 2001
Process for preparing alkoxy or arylmethoxy aroxyethanes
APPLETON PAPER INC1 citations47
US7294724B2Nov 13, 2007
Process for manufacture of fluoran dyes
APPLETON PAPER INC0 citations41
US5229522AJul 20, 1993
Bis-(indolyl)ethylenes: process for their preparation
APPLETON PAPER INC0 citations41
US5001105AMar 19, 1991
Bis-(indoly)ethylenes record systems utilizing such compounds
APPLETON PAPER INC0 citations41