P

Inventor

CHEN JAMES M

US60 patents
⚠️ This page may combine multiple inventors who share the name “CHEN JAMES M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ENGELHARD CORP

23 patents
US5516497AMay 14, 1996

Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same

ENGELHARD CORP289 citations99
US5024981AJun 18, 1991

Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same

ENGELHARD CORP138 citations99
US7182927B2Feb 27, 2007

Hydrothermally stable metal promoted zeolite beta for NOx reduction

ENGELHARD CORP51 citations96
US6914026B2Jul 5, 2005

Hydrothermally stable metal promoted zeolite beta for NOx reduction

ENGELHARD CORP60 citations96
US6689709B1Feb 10, 2004

Hydrothermally stable metal promoted zeolite beta for NOx reduction

ENGELHARD CORP65 citations95
US5145825ASep 8, 1992

Oxidation catalyst resistant to sulfation

ENGELHARD CORP106 citations95
US5895636AApr 20, 1999

Catalytic compositions and methods for suppression of halogenation of organic compounds with oxidation products of halogenated organic compounds in gaseous emission streams

ENGELHARD CORP45 citations94
US4343776AAug 10, 1982

Ozone abatement catalyst having improved durability and low temperature performance

ENGELHARD CORP52 citations94
US5643545AJul 1, 1997

Catalytic method and device for controlling VOC, CO and halogenated organic emissions

ENGELHARD CORP61 citations93
US7118722B2Oct 10, 2006

Hydrothermally stable metal promoted zeolite beta for NOx reduction

ENGELHARD CORP30 citations92
US6239064B1May 29, 2001

Catalytic compositions and methods for suppression of halogenation of organic compounds with oxidation products of halogenated organic compounds in gaseous emission streams

ENGELHARD CORP30 citations92
US6193504B1Feb 27, 2001

Portable rotary catalytic oxidizer systems

ENGELHARD CORP22 citations92
US5967771AOct 19, 1999

Rotary regenerative oxidizer

ENGELHARD CORP22 citations92
US5653949AAug 5, 1997

Catalytic oxidation catalyst and method for controlling voc, CO and halogenated organic emissions

ENGELHARD CORP39 citations92
US5578283ANov 26, 1996

Catalytic oxidation catalyst and method for controlling VOC, CO and halogenated organic emissions

ENGELHARD CORP39 citations92
US4438082AMar 20, 1984

Platinum gold catalyst for removing NOx and NH3 from gas streams

ENGELHARD CORP47 citations92
US4405507ASep 20, 1983

Ozone abatement catalyst having improved durability and low temperature performance

ENGELHARD CORP50 citations91
US5919425AJul 6, 1999

Catalyzed packing material for regenerative catalytic oxidation

ENGELHARD CORP26 citations89
US5753197AMay 19, 1998

Method of purifying emissions

ENGELHARD CORP21 citations89
US5451388ASep 19, 1995

Catalytic method and device for controlling VOC. CO and halogenated organic emissions

ENGELHARD CORP34 citations89
US7332148B2Feb 19, 2008

Hydrothermally stable metal promoted zeolite beta for NOx reduction

ENGELHARD CORP11 citations83
US5871347AFeb 16, 1999

Rotary regenerative oxidizer

ENGELHARD CORP16 citations73
US5874053AFeb 23, 1999

Horizontal regenerative catalytic oxidizer

ENGELHARD CORP11 citations70

GILEAD SCIENCES INC

15 patents

AMERICAN CYANAMID CO

7 patents

WYETH CORP

2 patents

CHEN JAMES M

1 patent

US ENERGY

1 patent

BASF CATALYSTS LLC

1 patent

Showing the top 50 of 60 patents by PatentIndex Score.