Patents by Inventor Manfred Mussgay

Manfred Mussgay 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).

  • Ethyleneimine inactivated organisms
    Patent number: 4058599
    Abstract: Microorganisms can be rendered inactive without impairing their antigenicity or immunogenicity by treating the microorganisms with ethyleneimine. The microorganism is placed in a suspension containing ethyleneimine up to a final concentration of 0.005 to 2% V/V. The temperature of the ethyleneimine-containing suspension is maintained between 0.degree. and 45.degree. C for between a few hours and 2 days. The excess ethyleneimine is destroyed.
    Type: Grant
    Filed: September 26, 1975
    Date of Patent: November 15, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Kurt Bauer, Gunther Wittman, Manfred Mussgay, Eckart Irion, Horst Geilhausen
  • Ethyleneimine inactivated microorganisms
    Patent number: 4036952
    Abstract: Microorganisms can be rendered inactive without impairing their antigenicity or immunogenicity by treating the microorganisms with ethyleneimine. The microorganism is placed in a suspension containing ethyleneimine up to a final concentration of 0.005% to 2% V/V. The temperature of the ethyleneimine-containing suspension is maintained between 0.degree. C and 45.degree. C for between a few hours and 2 days. The excess ethyleneimine is destroyed.
    Type: Grant
    Filed: September 26, 1975
    Date of Patent: July 19, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Kurt Bauer, Gunther Wittmann, Manfred Mussgay, Eckart Irion, Horst Geilhausen