Patents by Inventor Edward J. Pearson

Edward J. Pearson 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).

  • PHYSICAL ACTIVITY USER INTERFACES
    Publication number: 20240077309
    Abstract: The present disclosure generally relates to displaying information related to a physical activity. In some embodiments, methods and user interfaces for managing the display of information related to a physical activity are described.
    Type: Application
    Filed: January 12, 2023
    Publication date: March 7, 2024
    Inventors: Nicholas D. FELTON, James B. CARY, Edward CHAO, Kevin W. CHEN, Christopher P. FOSS, Eamon F. GILRAVI, Austen J. GREEN, Bradley W. GRIFFIN, Anders K. HAGLUNDS, Lori HYLAN-CHO, Stephen P. JACKSON, Matthew S. KOONCE, Paul T. NIXON, Robert M. PEARSON
  • Process for the purification of terephthalic acid
    Patent number: 4260817
    Abstract: This invention relates to catalysis for example, the catalytic hydrogenation of impurities in terephthalic acid to yield terephthalic acid of sufficient purity for use in the production of polyester fibres. In more detail, the invention comprises the step of treating a solution of terephthalic acid with hydrogen gas in the presence of a catalyst comprising two or more of the metals platinum, palladium, rhodium, ruthenium, osmium and irridium.
    Type: Grant
    Filed: October 17, 1980
    Date of Patent: April 7, 1981
    Assignee: Johnson, Matthey & Co., Limited
    Inventors: David T. Thompson, Alfred J. Bird, Edward J. Pearson