Patents Represented by Law Firm Hammond & Littell VON Ehrlich, Chem. Abstracts, vol. 67(8), 43988d, Aug. 21, 1967.
  • Quaternary N-.beta.-substituted N-alkyl-nortropine benzilates
    Patent number: 4042700
    Abstract: Compounds of the formula ##STR1## wherein ONE OF R and R' is alkyl of 1 to 4 carbon atoms,The other of R and R' is .beta.-haloethyl or .beta.-hydroxyethyl, andX is a pharmacologically acceptable anion, preferably halogen;The compounds as well as the salts are useful as spasmolytics, bronchospasmolytics and inhibitors of excessive stomach juice secretion.
    Type: Grant
    Filed: September 3, 1976
    Date of Patent: August 16, 1977
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Rolf Banholzer, Rudolf Bauer, Alex Heusner, Werner Schulz