Patents by Inventor Philip P. Vella

Philip P. Vella 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).

  • Coupled H. influenzae type B vaccine
    Patent number: 4459286
    Abstract: Haemophilus influenzae type B polysaccharide is coupled through a spacer to a serotype outer membrane protein from Neisseria meningitidis. This conjugate has enhanced antigenicity and immunogenicity relative to the unconjugated polysaccharide.
    Type: Grant
    Filed: January 31, 1983
    Date of Patent: July 10, 1984
    Assignee: Merck & Co., Inc.
    Inventors: Maurice R. Hilleman, Joseph Y. Tai, Richard L. Tolman, Philip P. Vella