Patents by Inventor Anthony A. B. Browne

Anthony A. B. Browne 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).

  • Polyester manufacture
    Patent number: 4088635
    Abstract: The manufacture of a poly(alkylene arylene dicarboxylate) by reaction of an aromatic dicarboxylic acid in the solid state with an alkylene oxide wherein a major part of the reaction mass forms a solid phase throughout the reaction, in the presence of phosphorous acid as catalyst.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: May 9, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventors: Anthony A. B. Browne, James E. McIntyre