Patents by Inventor Nathan R. Tzodikov

Nathan R. Tzodikov 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).

  • Organo-mercurial materials
    Patent number: 4432877
    Abstract: Compositions in which organo-mercurial moieties are bound to glass or other inorganic substrates are useful in separating sulfhydryl-containing compounds from mixtures with other compounds, e.g., by affinity chromatography.
    Type: Grant
    Filed: October 19, 1981
    Date of Patent: February 21, 1984
    Assignee: New England Nuclear Corporation
    Inventor: Nathan R. Tzodikov
  • Composition and method for stabilizing radiolabeled compounds using thiocarbonylated diethylenetriamines
    Patent number: 4411881
    Abstract: A stabilized composition comprising a solution of a radiolabeled compound and a diethylenetriamine is described. Preferred diethylenetriamines include, N,N-bis(2-aminoethyl) dithiocarbamic acid, di(2-dithiocarbamyl-ethyl) amine, and salts thereof.
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: October 25, 1983
    Assignee: New England Nuclear Corporation
    Inventor: Nathan R. Tzodikov
  • Method, composition and kit for stabilizing radiolabeled compounds
    Patent number: 4390517
    Abstract: A method of stabilizing a solution of a radiolabeled compound comprising adding to such solution a compound having a substantially insoluble backbone, to which has been bound a quaternary ammonium group; or a water soluble primary, secondary or tertiary aliphatic amine. The present invention also includes a solution of a radiolabeled compound maintained in contact with such a compound, and as an article of manufacture, a sealed vial containing such a solution.
    Type: Grant
    Filed: August 15, 1980
    Date of Patent: June 28, 1983
    Assignee: New England Nuclear Corporation
    Inventors: Robert E. O'Brien, Nathan R. Tzodikov
  • Method, composition and kit for stabilizing radiolabeled compounds
    Patent number: 4358434
    Abstract: A method and kit for stabilizing solutions of radiolabelled compound by the use of insoluble quaternary ammonium containing compounds. Also described are novel insoluble compounds having quaternary ammonium and sulfide groups for use in the present invention.
    Type: Grant
    Filed: December 19, 1979
    Date of Patent: November 9, 1982
    Assignee: New England Nuclear Corporation
    Inventors: Nathan R. Tzodikov, Robert E. O'Brien