Patents by Inventor Gregory Cullen

Gregory Cullen 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
  • 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
  • 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