Patents by Inventor Lynn T. Callahan, III

Lynn T. Callahan, III 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).

  • Bacterial toxoids and gram-negative immune globulin therefrom
    Patent number: 4488991
    Abstract: ADP-Ribosylating toxins are rendered enzymatically inactive by reactions with photolabile affinity reagents. The toxoids retain the antigenic and immunogenic properties of the original toxins. These bacterial toxoids can be used as immunogens to protect against the specific disease that the precursor toxins cause or, in the case of P. aeruginosa, the toxoid can be used in combination with E. coli J-5 vaccine to protect against gram-negative bacteremia in general.
    Type: Grant
    Filed: October 26, 1983
    Date of Patent: December 18, 1984
    Assignee: Merck & Co., Inc.
    Inventors: Richard L. Tolman, Stephen Marburg, Lynn T. Callahan, III
  • Bacterial toxoids and gram-negative immune globulin therefrom
    Patent number: 4428931
    Abstract: ADP-ribosylating toxins are rendered exzymatically inactive by reactions with photolabile affinity reagents. The toxoids retain the antigenic and immunogenic properties of the original toxins. These bacterial toxoids can be used as immunogens to protect against the specific disease that the precursor toxins cause or, in the case of P. aeruginosa, the toxiod can be used in combination with E. coli J-5 vaccine to protect against gram-negative bacteremia in general.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: January 31, 1984
    Assignee: Merck & Co., Inc.
    Inventors: Richard L. Tolman, Stephen Marburg, Lynn T. Callahan, III