Patents by Inventor Gian D. Polastri

Gian D. Polastri 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).

  • Micro-carrier cell culture
    Patent number: 4237218
    Abstract: Insoluble cationic acrylamide copolymers for use as cell growth carriers and a novel copolymer of dimethylaminopropylmethacrylamide, acrylamide and methylene-bis-acrylamide useful as both a carrier for cell growth and as a medium for ion exchange chromatography of aqueous protein solutions.
    Type: Grant
    Filed: February 9, 1979
    Date of Patent: December 2, 1980
    Assignee: Bio-Rad Laboratories, Inc.
    Inventors: James F. Monthony, Norman D. Schwartz, Donald F. Hollis, Gian D. Polastri