Patents by Inventor Nollie F. Swynnerton

Nollie F. Swynnerton 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).

  • Radioprotective agents and their method of manufacture
    Patent number: 5028715
    Abstract: A radioprotective agent consisting essentially of 3-(3"-aminoalkyl)-2-arylthiazolidine or a pharmacologically acceptable salt thereof having the formula: ##STR1## wherein R is a NH.sub.2 R' or XNHR' radical in which R' is a C.sub.2 to C.sub.4 alkyl group and X is a C.sub.1 to C.sub.3 alkyl group and Ar is an aromatic aldehyde moiety; or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: July 2, 1991
    Assignee: Southwest Research Institute
    Inventors: Robert E. Lyle, William A. McMahon, Donald J. Mangold, Nollie F. Swynnerton
  • Alkylating agents and method of use thereof
    Patent number: 4948912
    Abstract: The present invention comprises a haloacetoxyalkyl ether having the formula: ##STR1## wherein R is H or a C.sub.1 -C.sub.4 substituted or unsubstituted alkyl group, R' is H or a C.sub.1 -C.sub.3 group, and X is chlorine or fluorine; aroyloxymethyl ethers having the formula:R--COOCH.sub.2 --O--CH.sub.2 --OOC--Rwherein the R is p-NO.sub.2 C.sub.6 H.sub.4, halogen substituted C.sub.6 H.sub.4, or other aromatics; the method of making such ethers and monoquaternary salts; and the method of alkylating amines, pyridines, or acetals or pyridine derivatives with such ethers to form quaternary ammonium salts; particularly HI-6, HGG-12, Toxogonin, and SAS-128.
    Type: Grant
    Filed: September 8, 1986
    Date of Patent: August 14, 1990
    Assignee: Southwest Research Institute
    Inventors: Robert E. Lyle, Jr., Donald J. Mangold, Nollie F. Swynnerton