Patents by Inventor Jeffrey D. Bettencourt

Jeffrey D. Bettencourt 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).

  • Preparation of .alpha..sub.1 -antichymotrypsin
    Patent number: 5561108
    Abstract: Human .alpha..sub.1 -antichymotrypsin (ACT) can be purified from solutions containing human .alpha..sub.1 -proteinase inhibitor (PI) and antithrombin III (AT-III) using chromatography adsorption steps at carefully controlled pH and conductivity. The separated ACT retains in vitro inhibitory capacity and has potential therapeutic use.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: October 1, 1996
    Assignee: Bayer Corporation
    Inventors: Grace C. Tsay, Neal K. H. Cheung, Jeffrey D. Bettencourt