Patents by Inventor Nguyen T. Thuong

Nguyen T. Thuong 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).

  • Derivatives of cis-epoxy-1,2-propyl-phosphonic acid and drugs containing in particular as active ingredients derivatives of cis-epoxy-1,2-propylphosphonic acid in dextrorotatory form
    Patent number: 4129660
    Abstract: New asymmetrical derivatives of cis-epoxy-1,2-propylphosphonic acid, corresponding to the formula: ##STR1## in which: M.sup.(+) and M'.sup.(+), which are identical or different, are chosen from the hydrogen ion and the inorganic or organic cations,A is chosen from:The straight or branched alkyl and alkoxy radicals having 1 to 8 carbon atoms and being able to comprise at least one substitutent constituted by an epoxy bridge or chosen from the alkoxy radicals having 1 to 5 carbon atoms, alkoxycarbonyl whose alkyl radical comprises from 1 to 5 carbon atoms, amino, alkylamino, nitrile,The aryl, aralkyl, arylkoxy radicals which are substituted or not,Said products being useful particularly as drugs.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: December 12, 1978
    Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
    Inventors: Christian J. Warolin, Pierre Chabrier de Lassauniere, Nguyen T. Thuong