Patents by Inventor Hassan A. Gaafar

Hassan A. Gaafar 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).

  • Patent number: 4564592
    Abstract: A vaccine for the prevention of congenital Toxoplasmosis and methods for its production.
    Type: Grant
    Filed: January 21, 1983
    Date of Patent: January 14, 1986
    Assignee: Research Corporation
    Inventors: Hassan A. Gaafar, Brian G. Grimwood
  • Patent number: 4351761
    Abstract: Serological method for determining the presence of Neisseria gonorrhoeae antibodies in human sera and products utilized in such testing.
    Type: Grant
    Filed: February 5, 1981
    Date of Patent: September 28, 1982
    Assignee: Research Corporation
    Inventor: Hassan A. Gaafar
  • Patent number: 4241045
    Abstract: Serological method for determining the presence of Neisseria gonorrhoeae antibodies in human sera and products utilized in such testing.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: December 23, 1980
    Assignee: Research Corporation
    Inventor: Hassan A. Gaafar
  • Patent number: 4186182
    Abstract: Serological method for determining presence of Neisseria gonorrhoeae antibodies in human sera and products utilized in such testing.
    Type: Grant
    Filed: September 7, 1977
    Date of Patent: January 29, 1980
    Assignee: Research Corporation
    Inventors: Hassan A. Gaafar, Dora D'Arcangelis
  • Patent number: 4029756
    Abstract: Enhancement of the specificity of the serological method for determining the presence of Neisseria gonorrhoeae antibodies in human serum by prior removal of cross reacting Neisseria meningitidis antibodies.
    Type: Grant
    Filed: November 26, 1975
    Date of Patent: June 14, 1977
    Assignee: Research Corporation
    Inventor: Hassan A. Gaafar