Patents by Inventor John Edson Gordon

John Edson Gordon 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).

  • Patent number: 4053490
    Abstract: There is provided a process for preparing highly pure, concentrated aqueous solutions of ammonium N.sup.4 -acetylsulfanilylcyanamide from either an alkali or alkaline earth metal salt, or mixtures thereof, of N.sup.4 -acetylsulfanilylcyanamide by liquid ion-exchange.
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: October 11, 1977
    Assignee: American Cyanamid Company
    Inventor: John Edson Gordon
  • Patent number: 4017501
    Abstract: A process for preparing pyridinium chloride salts of esters of 2-chloro-N-2-hydroxyethylacetamide in which no intermediates need be isolated is disclosed.
    Type: Grant
    Filed: October 24, 1975
    Date of Patent: April 12, 1977
    Assignee: American Cyanamid Company
    Inventors: John Edson Gordon, Robert A. Ralston