1
In Sik Nam, Sung Dae Yim, Joon Hyun Baik, Se Hyuck Oh, Byong Kwon Cho: reduction, Zeolite catalyst and preparation process for NO. General Motors Corporation, Pohang University of Science and Technology, Kathryn A Marra, May 23, 2006: US07049261 (26 worldwide citation)

A zeolite catalyst and a process for preparing a zeolite catalyst which is both capable of catalyzing the removal of nitrogen oxides from a gaseous medium across a broad temperature range and is operationally and hydrothermally stable at high reaction temperatures. The zeolite catalyst includes a ze ...


2
Byong K Cho, Joon Hyun Baik: Hybrid catalyst for NOx reduction using fuel hydrocarbons as reductant. GM Global Technology Operations, February 22, 2011: US07891171 (5 worldwide citation)

A method for reducing nitrogen oxides including NO and NO2 in an exhaust stream also comprising oxygen, carbon monoxide and hydrocarbons at a temperature above about 150° C., the method including in embodiments oxidizing NO in the exhaust stream to NO2; reforming raw diesel fuel to produce OHC's fro ...


3
Byong K Cho, Joon Hyun Baik: reduction in engine exhaust, Bimetallic catalyst for NO. GM Global Technology Operations, Reising Ethington P C, May 10, 2011: US07939039

A catalyst made by the introduction of copper ions and cobalt ions into a Y-type zeolite to produce a CuCoY zeolite improves the reduction of NOx in exhaust from a lean burn engine, such as a diesel engine. A dual bed selective reduction reactor in the exhaust stream comprising a first bed of BaY or ...


4
Joon Hyun Baik, Jae Cheon Koh, Kyong Tae Kim, Dong Jun Koh, Young Sam Sa, Yun Min Kim, Chul Ung Kim: Method for preparing dialkyl carbonate. RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, Lex IP Meister PLLC, May 10, 2016: US09334228

Disclosed is a method for preparing a dialkyl carbonate, in which a dialkyl carbonate such as dimethyl carbonate is economically prepared in an environmentally-friendly manner at a higher yield while reducing generation of a by-product. The method for preparing the dialkyl carbonate includes reactin ...


5
Ju hyung Lee, In sik Nam, Seong moon Jung, Jong sik Choi, Sun joo Kim, Hyuk jae Kwon, Young jin Kim, Joon hyun Baik: Catalyst for removing nitrogen oxides from exhaust gas, method for preparing the same and method for removing nitrogen oxides using the same from exhaust gas. LG Hausys, McKenna Long & Aldridge, June 12, 2012: US08197779

The present invention relates to a catalyst for removing nitrogen oxides from an exhaust gas, a method for preparing the same and a method for removing nitrogen oxide in an exhaust gas using the same, and more particularly, to a catalyst for removing nitrogen oxides from the exhaust gas in which a c ...


6
In Sik Nam, Sung Dae Yim, Joon Hyun Baik, Se Hyuck Oh, Byong Kwon Cho: Zeolite catalyst and preparation process for NOx reduction. Kathryn A Marra, General Motors Corporation, September 2, 2004: US20040171476-A1

A zeolite catalyst and a process for preparing a zeolite catalyst which is both capable of catalyzing the removal of nitrogen oxides from a gaseous medium across a broad temperature range and is operationally and hydrothermally stable at high reaction temperatures. The zeolite catalyst includes a ze ...


7
Byong K Cho, Joon Hyun Baik: Hybrid Catalyst for NOx Reduction using Fuel Hydrocarbons as Reductant. GM Global Technology Operations, General Motors Corporation, Legal Staff, June 5, 2008: US20080127634-A1

A method for reducing nitrogen oxides including NO and NO2 in an exhaust stream also comprising oxygen, carbon monoxide and hydrocarbons at a temperature above about 150° C., the method including in embodiments oxidizing NO in the exhaust stream to NO2; reforming raw diesel fuel to produce OHC's fro ...


8
Byong K Cho, Joon Hyun Baik: Bimetallic catalyst for nox reduction in engine exhaust. Gm Global Technology Operations, General Motors Corporation, c o REISING ETHINGTON BARNES KISSELLE PC, March 12, 2009: US20090068093-A1

A catalyst made by the introduction of copper ions and cobalt ions into a Y-type zeolite to produce a CuCoY zeolite improves the reduction of NOx in exhaust from a lean bum engine, such as a diesel engine. A dual bed selective reduction reactor in the exhaust stream comprising a first bed of BaY or ...


9
Byong K Cho, Joon Hyun Baik: Bimetallic catalyst for nox reduction in engine exhaust. Gm Global Technology Operations, August 18, 2011: US20110200522-A1

A catalyst made by the introduction of copper ions and cobalt ions into a Y-type zeolite to produce a CuCoY zeolite improves the reduction of NOx in exhaust from a lean burn engine, such as a diesel engine. A dual bed selective reduction reactor in the exhaust stream comprising a first bed of BaY or ...


10
Ju Hyung Lee, In sik Nam, Seong moon Jung, Jong sik Choi, Sun joo Kim, Hyuk Jae Kwon, Young jin Kim, Joon hyun Baik: Catalyst for removal of ntrogen oxides from exhaust gas, method of preparing the same and method of removing nitrogen oxides using the same from exhaust gas. July 7, 2011: US20110165049-A1

The present invention relates to a catalyst for removal of nitrogen oxides from exhaust gas, a method of preparing the same and a method of removing nitrogen oxide in an exhaust gas using the same, and more particularly, to a catalyst for removal of nitrogen oxides from exhaust gas in which a cerami ...