Patents by Inventor Zhongyuan Dang

Zhongyuan Dang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Oxidation catalysts for destructing VOCs which contain light alkane compounds in emissions
    Patent number: 11643954
    Abstract: Disclosed herein are monolith oxidation catalysts for the destruction of CO and volatile organic compounds (VOC) chemical emissions, in particular, the destruction of light alkane organic compounds. The catalysts contain high surface area refractory oxides of silica- and hafnia-doped zirconia and silica, or tin oxide or stabilized alumina; and at least one platinum group metals, in particular platinum metal, or a combination of platinum and palladium.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: May 9, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Zhongyuan Dang, Karen Buckman, Gregory Cullen, Seyma Ortatatli
  • OXIDATION CATALYSTS FOR DESTRUCTING VOCS WHICH CONTAIN LIGHT ALKANE COMPOUNDS IN EMISSIONS
    Publication number: 20220136418
    Abstract: Disclosed herein are monolith oxidation catalysts for the destruction of CO and volatile organic compounds (VOC) chemical emissions, in particular, the destruction of light alkane organic compounds.
    Type: Application
    Filed: October 12, 2021
    Publication date: May 5, 2022
    Inventors: Zhongyuan Dang, Karen Buckman, Gregory Cullen, Seyma Ortatatli
  • Low cost oxidation catalysts for VOC and halogenated VOC emission control
    Patent number: 10569256
    Abstract: The current embodiments relate to ruthenium-containing supported catalysts, including processes for their manufacture and use, which destroy, through catalytic oxidation, hazardous compounds contained in chemical industrial emissions and otherwise produced from industrial processes.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: February 25, 2020
    Assignee: Clariant Corporation
    Inventors: Zhongyuan Dang, Greg Cullen
  • LOW COST OXIDATION CATALYSTS FOR VOC AND HALOGENATED VOC EMISSION CONTROL
    Publication number: 20180229220
    Abstract: The current embodiments relate to ruthenium-containing supported catalysts, including processes for their manufacture and use, which destroy, through catalytic oxidation, hazardous compounds contained in chemical industrial emissions and otherwise produced from industrial processes.
    Type: Application
    Filed: January 4, 2018
    Publication date: August 16, 2018
    Inventors: Zhongyuan DANG, Greg CULLEN
  • Oxidation catalyst and method for destruction of CO, VOC and halogenated VOC
    Patent number: 8475755
    Abstract: An oxidation catalyst deposited on a substrate is described for the destruction of CO and volatile organic compounds, in particular halogenated organic compounds, from an emissions stream at temperatures from 250° C. to 450° C. The oxidation catalyst includes at least two platinum group metals, one of which is either platinum or ruthenium, supported on refractory oxides, such as a solid solution of CeO2 and ZrO2, and tin oxide and/or silica.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: July 2, 2013
    Assignee: Sub-Chemie Inc.
    Inventors: Zhongyuan Dang, Nirmal Singh, Martin Morrill, Greg Cullen
  • Oxidation Catalyst and Method for Destruction of CO, VOC and Halogenated VOC
    Publication number: 20110044874
    Abstract: An oxidation catalyst deposited on a substrate is described for the destruction of CO and volatile organic compounds, in particular halogenated organic compounds, from an emissions stream at temperatures from 250° C. to 450° C. The oxidation catalyst includes at least two platinum group metals, one of which is either platinum or ruthenium, supported on refractory oxides, such as a solid solution of CeO2 and ZrO2, and tin oxide and/or silica.
    Type: Application
    Filed: August 21, 2009
    Publication date: February 24, 2011
    Applicant: SUD-CHEMIE INC.
    Inventors: Zhongyuan Dang, Nirmal Singh, Martin Morrill, Greg Cullen
  • Oxidation catalyst on a substrate utilized for the purification of exhaust gases
    Patent number: 7332454
    Abstract: An oxidation catalyst deposited on a filter substrate for the removal of CO, hydrocarbons, and particulate matter, such as soot, from an exhaust stream wherein the oxidation catalyst is formed from a platinum group metal supported on a refractory oxide, tin oxide, and a zeolite.
    Type: Grant
    Filed: March 16, 2005
    Date of Patent: February 19, 2008
    Assignee: Sud-Chemie Inc.
    Inventors: Zhongyuan Dang, Yinyan Huang, Amiram Bar-Ilan
  • Catalyst for purifying diesel engine exhaust emissions
    Patent number: 7235507
    Abstract: A diesel oxidation catalyst comprising a honeycomb substrate washcoated with a mixture of clay, a refractory oxide and a zeolite is disclosed. The washcoated substrate is subsequently deposited with a precious metal catalyst and a sulfur oxidation suppressant.
    Type: Grant
    Filed: August 14, 2004
    Date of Patent: June 26, 2007
    Assignee: Sud-Chemie Inc.
    Inventors: Li Xu, Yinyan Huang, Gregory Cullen, Zhongyuan Dang, Amiram Bar-Ilan
  • Catalyzed diesel particulate matter filter with improved thermal stability
    Patent number: 7138358
    Abstract: A catalyzed diesel particulate matter exhaust filter with improved diesel particulate matter oxidation activity and thermal stability including a porous filter substrate for filtering the diesel particulate matter washcoated with high surface area support alumina, titania, silica and zirconia promoted with one of ceria, lanthanum oxide, tungsten oxide, molybdem oxide, tin oxide for catalytic materials which includes an alkaline earth metal vanadate, and a precious metal
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: November 21, 2006
    Assignee: Sud-Chemie Inc.
    Inventors: Yinyan Huang, Zhongyuan Dang, Amiram Bar-llan
  • Oxidation catalyst on a substrate utilized for the purification of exhaust gases
    Publication number: 20060211569
    Abstract: An oxidation catalyst deposited on a filter substrate for the removal of CO, hydrocarbons, and particulate matter, such as soot, from an exhaust stream wherein the oxidation catalyst is formed from a platinum group metal supported on a refractory oxide, tin oxide, and a zeolite.
    Type: Application
    Filed: March 16, 2005
    Publication date: September 21, 2006
    Applicant: Sud-Chemie Inc.
    Inventors: Zhongyuan Dang, Yinyan Huang, Amiram Bar-Ilan
  • Catalyst for purifying diesel engine exhaust emissions
    Publication number: 20060035780
    Abstract: A diesel oxidation catalyst comprising a honeycomb substrate washcoated with a mixture of clay, a refractory oxide and a zeolite is disclosed. The washcoated substrate is subsequently deposited with a precious metal catalyst and a sulfur oxidation suppressant.
    Type: Application
    Filed: August 14, 2004
    Publication date: February 16, 2006
    Inventors: Liqiang Xu, Yinyan Huang, Gregory Cullen, Zhongyuan Dang, Amiram Bar-Ilan
  • Catalyst for the low temperature oxidation of methane
    Publication number: 20040192546
    Abstract: The present development is a catalyst for the low temperature catalytic oxidation of methane in the presence of hydrogen and water. The catalyst comprises a high surface area alumina, tin oxide and at least one noble metal selected from the group consisting of palladium, platinum, rhodium or a combination thereof, washcoated on a monolithic support. The resultant catalyst is more durable than prior art catalysts.
    Type: Application
    Filed: March 27, 2003
    Publication date: September 30, 2004
    Inventors: Zhongyuan Dang, Yinyan Huang, Amiram Bar-llan
  • Catalyzed diesel particulate matter exhaust filter
    Patent number: 6613299
    Abstract: A catalyzed diesel particulate matter exhaust filter including a porous filter substrate for filtering the diesel particulate matter impregnated with a catalytic material which includes an alkaline earth metal vanadate and a precious metal.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: September 2, 2003
    Assignee: Sud-Chemie Prototech, Inc.
    Inventors: Zhongyuan Dang, Yinyan Huang, Amiram Bar-Ilan
  • Catalyzed diesel particulate matter exhaust filter
    Publication number: 20030091481
    Abstract: A catalyzed diesel particulate matter exhaust filter including a porous filter substrate for filtering the diesel particulate matter impregnated with a catalytic material which includes an alkaline earth metal vanadate and a precious metal.
    Type: Application
    Filed: November 13, 2001
    Publication date: May 15, 2003
    Applicant: Sud-Chemie Prototech Inc.
    Inventors: Zhongyuan Dang, Yinyan Huang, Amiram Bar-Ilan