Patents by Inventor Maria R. Coleman

Maria R. Coleman 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).

  • Homogeneous and reusable superacid polymer catalyst useful for the synthesis of 5-hydroxymethylfurfural from glucose
    Patent number: 11607677
    Abstract: A superacid polymeric catalyst having both Lewis acidity and Brønsted acidity is described, along with methods of making and methods of using the same.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: March 21, 2023
    Assignee: TJie University of Toledo
    Inventors: Ana C. Alba Rubio, Maria R. Coleman, Subhash Kalidindi, Anup S. Joshi, Ibeh S. Omodolor
  • HOMOGENEOUS AND REUSABLE SUPERACID POLYMER CATALYST USEFUL FOR THE SYNTHESIS OF 5-HYDROXYMETHYLFURFURAL FROM GLUCOSE
    Publication number: 20200360910
    Abstract: A superacid polymeric catalyst having both Lewis acidity and Brønsted acidity is described, along with methods of making and methods of using the same.
    Type: Application
    Filed: October 29, 2018
    Publication date: November 19, 2020
    Applicant: The University of Toledo
    Inventors: Ana C. Alba Rubio, Maria R. Coleman, Subhash Kalidindi, Anup S. Joshi, Ibeh S. Omodolor
  • Gas separation membranes comprising miscible blends of polyimide polymers
    Patent number: 5055116
    Abstract: The present invention provides for gas separation membranes which are engineered to have specific gas transport properties based on the blending of certain polymers. In preferred embodiments, the blended polymers are polyimides which have different molecular structures and different gas transport properties. Despite these differences, however, the polymers are completely miscible and can be effectively utilized to prepare gas separation membranes having specifically tailored properties.
    Type: Grant
    Filed: April 3, 1990
    Date of Patent: October 8, 1991
    Assignee: Hoechst Celanese Corp.
    Inventors: Rachel S. Kohn, Maria R. Coleman, Tai-Shung Chung