Inventor

HALLIGUDI SHIVAPPA BASAPPA

IN2 patents

Patents

2 patents

US7915430B2Mar 29, 2011

Catalytic method for producing phenolphthalein compounds

SABIC INNOVATIVE PLASTICS IP5 citations57

US7868190B2Jan 11, 2011

Method for producing phenolphthalein using a heteropolyacid catalyst

SABIC INNOVATIVE PLASTICS IP4 citations57