Patents by Inventor Nikolaus R. Hansl

Nikolaus R. Hansl 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).

  • Meta-[2-(benzylamino)-ethyl] benzoic acid amides
    Patent number: 3988371
    Abstract: A series of substituted amino ethyl meta benzoic acid amides and their salts are useful as spasmolytics, pschyotherapeutic agents and agents facilitating learning. These compounds may conveniently be prepared by hydrolysis of suitably substituted trifluoromethyl derivatives followed by amidification with a desired amine, or by a replacement reaction between a suitable ester and an appropriate amine, or by reaction of an activated form of the free acid and an appropriate amine.
    Type: Grant
    Filed: July 30, 1974
    Date of Patent: October 26, 1976
    Inventor: Nikolaus R. Hansl