Patents by Inventor Brian William Hatt

Brian William Hatt 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).

  • Patent number: 4104078
    Abstract: A chromatographic method of separating a fluid mixture of dextrans of differing molecular weights into two fractions. The chromatographic method is carried out with an apparatus having a plurality compartments according to a scheme involving sequential valve operation and provision of carrier fluid.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: August 1, 1978
    Assignee: Fisons Limited
    Inventors: Philip Edwin Barker, Brian William Hatt, Frederick John Ellison