Patents by Inventor Klaus Guhrmann

Klaus Guhrmann 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).

  • Continuous production of 2-ethyl-hexyl acrylate free from dioctylether
    Patent number: 4280009
    Abstract: 2-ethyl-hexylacrylate free from dioctylether is produced continuously by reacting acrylic acid and 2-ethyl-hexanol-(1) in a molar ratio of 1:1 to 1:2 at 85.degree. to 140.degree. C. in the presence of an acid catalyst.
    Type: Grant
    Filed: August 14, 1979
    Date of Patent: July 21, 1981
    Inventors: Heinz Erpenbach, Klaus Guhrmann, Herbert Joest