Dinh Tien Dang

US Patent:

53465350, Sep 13, 1994

Filed:

Aug 23, 1991

Appl. No.:

7/749012

Inventors:

Steven M. Kuznicki - Easton PA
Dinh Dang - South Plainfield NJ
David T. Hayhurst - Willoughby, OH
Kathleen A. Thrush - Easton PA

Assignee:

Engelhard Corporation - Iselin NJ

International Classification:

B01D 5304

US Classification:

95 96

Abstract:

Crystalline molecular sieves containing octahedral sites such as the sieves known as ETS-4, ETS-10 and ETAS-10 are used to remove volatile organic compounds from a mixture of the same with moist air at ambient temperature.

US Patent:

59688610, Oct 19, 1999

Filed:

Feb 12, 1998

Appl. No.:

9/022724

Inventors:

Jennifer S. Feeley - Clinton NJ
Michel Deeba - North Brunswick NJ
Robert J. Farrauto - Westfield NJ
Dinh Dang - South Plainfield NJ

Assignee:

Engelhard Corporation - Iselin NJ

International Classification:

B01J 29072

US Classification:

502 74

Abstract:

A catalytic material useful for the abatement of NO. sub. x in a lean environment containing a zeolite material having incorporated therein copper, cobalt and iron as catalytically active species. The catalytically active metals are preferably incorporated into the zeolite by ion exchange and precipitation. The catalytic material may typically contain from about 2. 0 to about 8. 0 percent copper, from about 1. 0 to about 4. 0 percent iron and from about 0. 25 to about 4. 0 percent cobalt by weight of the catalytic material, i. e. , by weight of the zeolite material plus the catalytic metals incorporated therein. Optionally, the catalytic material may be admixed with a binder and applied as an adherent coating onto a carrier to be placed in a gas stream containing the nitrogen oxides.

US Patent:

57764239, Jul 7, 1998

Filed:

Aug 15, 1996

Appl. No.:

8/699676

Inventors:

Jennifer S. Feeley - Clinton NJ
Michel Deeba - North Brunswick NJ
Robert J. Farrauto - Westfield NJ
Dinh Dang - South Plainfield NJ

Assignee:

Engelhard Corporation - Iselin NJ

International Classification:

B01J 800

US Classification:

4232392

Abstract:

A catalytic material useful for the abatement of NO. sub. X in a lean environment containing a zeolite material having incorporated therein copper, cobalt and iron as catalytically active species. The catalytically active metals are preferably incorporated into the zeolite by ion exchange and precipitation. The catalytic material may typically contain from about 2. 0 to about 8. 0 percent copper, from about 1. 0 to about 4. 0 percent iron and from about 0. 25 to about 4. 0 percent cobalt by weight of the catalytic material, i. e. , by weight of the zeolite material plus the catalytic metals incorporated therein. Optionally, the catalytic material may be admixed with a binder and applied as an adherent coating onto a carrier to be placed in a gas stream containing the nitrogen oxides.

US Patent:

20180178198, Jun 28, 2018

Filed:

Jun 24, 2015

Appl. No.:

15/738858

Inventors:

- Florham Park NJ, US
Yipeng Sun - West Windsor NJ, US
Tian Luo - Piscataway NJ, US
Emi Leung - Somerset NJ, US
Pavel Ruvinskiy - Iselin NJ, US
Dinh Dang - Somerset NJ, US

International Classification:

B01J 23/63
B01J 35/00
B01J 35/04
B01D 53/94
F01N 3/10
F01N 3/035

Abstract:

Provided are automotive catalyst composites having a catalytic material on a carrier, wherein the catalytic material comprises at least two layers. The first layer is deposited directly on the carrier and comprises a first palladium component supported on a first refractory metal oxide component, a first oxygen storage component, or a combination thereof. The second layer is deposited on top of the first layer and comprises a rhodium component supported on a second refractory metal oxide component and a second palladium component supported on a second oxygen storage component, a third refractory metal oxide component or a combination thereof. Generally these catalyst composites are used as three-way conversion (TWC) catalysts. Methods of making and using the same are also provided.