Patents by Inventor Diana Elaine Chase

Diana Elaine Chase 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).

  • Apparatus and process for the high yield production of methyl methacrylate or methacrylic acid
    Patent number: 6610177
    Abstract: A high yield process for the production of methyl methacrylate or methacrylic acid and an apparatus for increasing the yield in a process for the production of methyl methacrylate or methacrylic acid are disclosed.
    Type: Grant
    Filed: July 29, 2002
    Date of Patent: August 26, 2003
    Assignee: Rohm and Haas Company
    Inventors: Chorng-Shyuan Tsay, Michael Stanley DeCourcy, I-Hwa Midey Chang-Mateu, Heather Granzin Thompson, Diana Elaine Chase
  • Apparatus and process for the high yield production of methyl methacrylate or methacrylic acid
    Patent number: 6545176
    Abstract: A high yield process for the production of methyl methacrylate or methacrylic acid and an apparatus for increasing the yield in a process for the production of methyl methacrylate or methacrylic acid are disclosed.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: April 8, 2003
    Assignee: Rohm and Haas Company
    Inventors: Chorng-Shyuan Tsay, Makarand Dattatraya Phadke, Abraham Benderly, I-Hwa Midey Chang-Mateu, Nicole Rendon Koegel, Heather Granzin Thompson, Diana Elaine Chase
  • Apparatus and process for the high yield production of methyl methacrylate or methacrylic acid
    Publication number: 20020188153
    Abstract: A high yield process for the production of methyl methacrylate or methacrylic acid and an apparatus for increasing the yield in a process for the production of methyl methacrylate or methacrylic acid are disclosed.
    Type: Application
    Filed: July 29, 2002
    Publication date: December 12, 2002
    Inventors: Chorng-Shyuan Tsay, Michael Stanley DeCourcy, I-Hwa Midey Chang-Mateu, Heather Granzin Thompson, Diana Elaine Chase