Patents by Inventor Stephen H. Parry

Stephen H. Parry 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).

  • Process for vaccine preparation
    Patent number: 4157390
    Abstract: A vaccine comprising an antigen selectively adsorbed onto erythrocytes possessing their natural surface characteristics. When the antigen is the K88a,b/adhesion factor of E. coli and the erythrocytes are chicken erythrocytes, the vaccine is especially suitable for reducing the incidence of neonatal diarrhoea in pigs if it is administered parenterally to a sow about three weeks prior to parturition.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: June 5, 1979
    Assignee: Internationale Octrooi Maatschappij "Octropa" B.V.
    Inventors: Stephen H. Parry, Philip Porter
  • Process for reducing the incidence of neonatal diarrhoea in pigs
    Patent number: 4136167
    Abstract: A vaccine comprising an antigen selectively adsorbed onto erythrocytes possessing their natural surface characteristics. When the antigen is the K88a,b/adhesion factor of E. coli and the erythrocytes are chicken erythrocytes, the vaccine is especially suitable for reducing the incidence of neonatal diarrhoea in pigs if it is administered parenterally to a sow about three weeks prior to parturition.
    Type: Grant
    Filed: May 6, 1977
    Date of Patent: January 23, 1979
    Assignee: Internationale Octrooi Maatschappij "Octropa" B.V.
    Inventors: Stephen H. Parry, Philip Porter