Patents by Inventor Uwe Lechner

Uwe Lechner 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).

  • N-Substituted erythromcylamines and salts thereof
    Patent number: 4016263
    Abstract: Compounds of the formula ##STR1## wherein E is ##STR2## R.sub.1 is hydrogen; straight or branched alkyl of 1 to 3 carbon atoms; (alkoxy of 1 to 5 carbon atoms)-(alkyl of 1 to 3 carbon atoms); phenyl; or benzyl;R.sub.2 is hydrogen; hydroxyl; straight or branched alkyl of 1 to 3 carbon atoms; or phenyl;R.sub.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: April 5, 1977
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Bernd Wetzel, Eberhard Woitun, Roland Maier, Wolfgang Reuter, Hanns Goeth, Uwe Lechner