Patents by Inventor Peter Hugo

Peter Hugo 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).

  • Bis-[2,5-dithio-1,3,4-thiadiazole] and a process for its production
    Patent number: 4599425
    Abstract: Bis-[2,5-dithio-1,3,4-thiadiazole] corresponding to the following formula: ##STR1## is obtained by reacting 2,5-dimercapto-1,3,4-thiadiazole and hydrogen peroxide in the absence of other reactants.
    Type: Grant
    Filed: October 18, 1984
    Date of Patent: July 8, 1986
    Assignee: Rhein-Chemie Rheinau GmbH
    Inventors: Peter Hugo, Rainer Noack
  • Process for the production of 2-(hydrocarbyldithio)-5-mercapto-1,3,4-thiadiazoles
    Patent number: 4591645
    Abstract: 2-(Hydrocarbyldithio)-5-mercapto-1,3,4-thiadiazoles are obtained by reacting bis-(2,5-dithio-1,3,4-thiadiazole with a tert.-hydrocarbyl mercaptan of which the hydrocarbyl moiety contains from 4 to 60 carbon atoms.
    Type: Grant
    Filed: August 14, 1984
    Date of Patent: May 27, 1986
    Assignee: Rhein-Chemie Rheinau GmbH
    Inventors: Peter Hugo, Rainer Noack