Patents by Inventor Gunther Gramm

Gunther Gramm 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).

  • Process for the preparation of neopentylamine
    Patent number: 4495369
    Abstract: A process for the preparation of neopentylamine which is virtually free from amines with a higher degree of alkylation which comprises contacting neopentanol with ammonia at a temperature of 200.degree. to 300.degree. C. in the presence of a hydrogenation catalyst. The process can be carried out under increased pressure and in the presence of catalytic amounts of hydrogen.
    Type: Grant
    Filed: September 22, 1981
    Date of Patent: January 22, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Friedrich Werner, Heinz U. Blank, Gunther Gramm, Rudolf Braden, Heinz Ziemann