Patents by Inventor William A. McMahon, Jr.

William A. McMahon, Jr. 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).

  • Swelled polymeric decontamination composition
    Patent number: 4885327
    Abstract: A polymeric decontamination composition comprising a polymeric reaction product resulting from the reaction of a polyvinylbenzyl halide and a monomeric amine admixed with an alkali metal hydroxide solution capable of swelling said polymeric reaction product and the method of making the composition.
    Type: Grant
    Filed: November 18, 1987
    Date of Patent: December 5, 1989
    Assignee: Southwest Research Institute
    Inventors: William A. McMahon, Jr., David A. Trujillo, Robert E. Lyle, Jr.
  • Polymeric decontamination composition
    Patent number: 4883608
    Abstract: A polymeric chemical warfare agent decontamination composition comprising a polymeric quaternary pyridinium salt resulting from the reaction of a polyvinylbenzyl salt and a di(C.sub.l -C.sub.n alkyl) aminopyridine wherein n is 20 or higher, and the method of making such pyridinium salt is disclosed wherein the reaction product is a polymer of the formula: ##STR1## wherein R is a C.sub.1 to C.sub.20 or higher alkyl group.
    Type: Grant
    Filed: November 18, 1987
    Date of Patent: November 28, 1989
    Assignee: Southwest Research Institute
    Inventors: David A. Trujillo, William A. McMahon, Jr., Robert E. Lyle, Jr.