Patents by Inventor Robert Engl

Robert Engl 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).

  • Compositions containing thiocyanic acid and hexamethylene-tetramine production process
    Patent number: 4237283
    Abstract: Disclosed herein is a process for producing dry compositions containing thiocyanic acid and hexamethylene-tetramine wherein hexamethylene-tetramine is reacted with an alkali or alkaline earth metal thiocyanate in the aqueous phase in the presence of acid, and wherein the aqueous reaction product solution, without isolation of the reaction product, is combined with an inert carrier substance and dried.
    Type: Grant
    Filed: August 15, 1979
    Date of Patent: December 2, 1980
    Assignee: Meggle Milchindustrie GmbH & Co.
    Inventors: Robert Engl, Hans Richter
  • Compositions containing thiocyanic acid and hexamethylene-tetramine, production process and administration thereof as bactericide and mycocide
    Patent number: 4188386
    Abstract: Disclosed herein is a process for producing dry compositions containing thiocyanic acid and hexamethylene-tetramine wherein hexamethylene-tetramine is reacted with an alkali or alkaline earth metal thiocyanate in the aqueous phase in the presence of acid, and wherein the aqueous reaction product solution, without isolation of the reaction product, is combined with an inert carrier substance and dried.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: February 12, 1980
    Assignee: Meggle Milchindustrie GmbH & Co. KG
    Inventors: Robert Engl, Hans Richter