Patents by Inventor Ellan Welniak

Ellan Welniak 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).

  • Methods for the cultivation of infectious laryngotracheitis virus
    Patent number: 5443982
    Abstract: This invention involves a chemically transformed chicken hepatocyte derived cell line which is capable of efficiently supporting replication of infectious laryngotracheitis virus (ILTV) and methods for cultivating ILTV using this hepatocellular carcinoma cell line. The virus harvested from these continuous cell culture methods can be used as a vaccine against ILTV infection.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: August 22, 1995
    Assignee: Solvay Animal Health, Inc.
    Inventors: Ellan Welniak, Gary R. Petersen