Patents by Inventor Craig Steven Dunn

Craig Steven Dunn 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).

  • Halogen-free catalyst system and method for producing benzoic acid
    Patent number: 9604896
    Abstract: Disclosed is a halide-free catalyst system and method for oxidizing toluene to form benzoic acid in benzoic acid solvent. The catalyst system contains Co, at least one of Zr and Hf, and an alkali metal basic salt.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: March 28, 2017
    Assignee: Eastman Chemical Company
    Inventors: Mesfin Ejerssa Janka, Charles Edwan Sumner, Jr., Stephanie Nicole Rollins-Testerman, Craig Steven Dunn
  • Carbonylation catalyst and process using same
    Patent number: 9387469
    Abstract: Carbonylation catalysts and methods for using them are disclosed. In some embodiments, the carbonylation catalyst includes the contact product of: (a) a nitrogen compound selected from monomeric pyridines and imidazoles; (b) a Group VIII metal; and (c) an alkali metal compound; wherein the catalyst material is on a solid support.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: July 12, 2016
    Assignee: Eastman Chemical Company
    Inventors: Zhidong George Zhu, Gerald Charles Tustin, Joseph Robert Zoeller, Craig Steven Dunn, Larry Ronnie Lingerfelt, Mary Kathleen Moore
  • CARBONYLATION CATALYST AND PROCESS USING SAME
    Publication number: 20150182957
    Abstract: Carbonylation catalysts and methods for using them are disclosed. In some embodiments, the carbonylation catalyst includes the contact product of: (a) a nitrogen compound selected from monomeric pyridines and imidazoles; (b) a Group VIII metal; and (c) an alkali metal compound; wherein the catalyst material is on a solid support.
    Type: Application
    Filed: December 30, 2013
    Publication date: July 2, 2015
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Zhidong George Zhu, Gerald Charles Tustin, Joseph Robert Zoeller, Craig Steven Dunn, Larry Ronnie Lingerfelt, Mary Kathleen Moore
  • HALOGEN-FREE CATALYST SYSTEM AND METHOD FOR PRODUCING BENZOIC ACID
    Publication number: 20140371484
    Abstract: Disclosed is a halide-free catalyst system and method for oxidizing toluene to form benzoic acid in benzoic acid solvent. The catalyst system contains Co, at least one of Zr and Hf, and an alkali metal basic salt.
    Type: Application
    Filed: September 3, 2014
    Publication date: December 18, 2014
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Mesfin Ejerssa Janka, Charles Edwan Sumner, JR., Stephanie Nicole Rollins-Testerman, Craig Steven Dunn