Patents by Inventor Anita Koehler

Anita Koehler 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).

  • Derivatives of 4-hydroxybutyric acid
    Patent number: 5753708
    Abstract: The invention describes new salts and amides of 4-hydroxybutyric acid with the aim of improving the pharmacological and therapeutic properties of 4-hydroxybutyric acid.
    Type: Grant
    Filed: April 23, 1996
    Date of Patent: May 19, 1998
    Inventors: Gernot Koehler, Anita Koehler
  • Derivatives of 4-hydroxybutyric acid
    Patent number: 5380937
    Abstract: The invention describes new salts and amides of 4-hydroxybutyric acid with the aim of improving the pharmacological and therapeutic properties of 4-hydroxybutyric acid.
    Type: Grant
    Filed: December 29, 1992
    Date of Patent: January 10, 1995
    Inventors: Gernot Koehler, Anita Koehler