Patents by Inventor William H. Kastern

William H. Kastern 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).

  • Protein G and/or fragments thereof
    Patent number: 5108894
    Abstract: A hybrid DNA molecule is disclosed by this invention capable of cellular expression comprising the DNA sequence for protein G. Said DNA sequence has substantially the same IgC binding properties as naturally occurring protein G. The molecule may be comprised of DNA sequences coding for fragments of protein G. Moreover, said DNA sequence may code for both fragments of protein G and protein G. The DNA sequence can be isolated from streptococcal DNA.
    Type: Grant
    Filed: July 5, 1989
    Date of Patent: April 28, 1992
    Assignee: Pharmacia LKB Biotechnology AB
    Inventors: Lars Bjorck, Goran Kronvall, Gunnar Lindahl, William H. Kastern