Patents by Inventor Eckehard Lorch

Eckehard Lorch 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).

  • Biguanide salts
    Patent number: 4028402
    Abstract: Biguanide salts of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and n are as hereinafter set forth, are described. The aforementioned biguanides are useful as hypoglycemic agents.
    Type: Grant
    Filed: October 8, 1975
    Date of Patent: June 7, 1977
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Ulf Fischer, Eckehard Lorch