Inventor
HEFFNER MICHELE DOREEN
US20 patents
Patents
20 patentsUS6504053B1Jan 7, 2003
Promoted multi-metal oxide catalyst
ROHM & HAAS65 citations96
US6407280B1Jun 18, 2002
Promoted multi-metal oxide catalyst
ROHM & HAAS68 citations96
US6407031B1Jun 18, 2002
Promoted multi-metal oxide catalyst
ROHM & HAAS52 citations96
US6841699B2Jan 11, 2005
Recalcined catalyst
ROHM & HAAS26 citations92
US6825380B2Nov 30, 2004
Promoted multi-metal oxide catalyst
ROHM & HAAS25 citations92
US6624111B2Sep 23, 2003
Halogen promoted multi-metal oxide catalyst
ROHM & HAAS33 citations92
US6461996B2Oct 8, 2002
Halogen promoted multi-metal oxide catalyst
ROHM & HAAS23 citations92
US6790988B2Sep 14, 2004
Ir and/or Sm promoted multi-metal oxide catalyst
ROHM & HAAS15 citations84
US6734136B2May 11, 2004
IR and/or SM promoted multi-metal oxide catalyst
ROHM & HAAS15 citations84
US7288669B2Oct 30, 2007
NOx treated mixed metal oxide catalyst
ROHM & HAAS6 citations74
US7018951B2Mar 28, 2006
Annealed and promoted catalyst
ROHM & HAAS10 citations74
US6943135B2Sep 13, 2005
NOx treated mixed metal oxide catalyst
ROHM & HAAS8 citations74
US6916945B2Jul 12, 2005
NOx treated mixed metal oxide catalyst
ROHM & HAAS9 citations74
US6818588B2Nov 16, 2004
NOx treated mixed metal oxide catalyst
ROHM & HAAS7 citations74
US6645905B2Nov 11, 2003
Annealed and promoted catalyst
ROHM & HAAS11 citations74
US7396955B2Jul 8, 2008
Annealed and promoted catalyst
ROHM & HAAS4 citations63
US7348292B2Mar 25, 2008
Annealed and promoted catalyst
ROHM & HAAS2 citations63
US6747168B2Jun 8, 2004
Halogen promoted multi-metal oxide catalyst
ROHM & HAAS4 citations63
US6911556B2Jun 28, 2005
Processes for the preparation of olefins, unsaturated carboxylic acids and unsaturated nitriles from alkanes
ROHM & HAAS4 citations62
US6700029B2Mar 2, 2004
Processes for the preparation of olefins, unsaturated carboxylic acids and unsaturated nitriles from alkanes
ROHM & HAAS4 citations62