Patents by Inventor Robert D. Casson

Robert D. Casson 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).

  • Controlled molecular weight reduction of polymers
    Patent number: 5491227
    Abstract: A method for the controlled molecular weight reduction of a polymer which comprises subjecting the polymer to pressure homogenization is disclosed. The preferred polymers are polysaccharides, particularly hyaluronic acid.
    Type: Grant
    Filed: March 2, 1994
    Date of Patent: February 13, 1996
    Assignee: Genzyme Limited
    Inventors: Robert D. Casson, John A. Lovelady