Patents Assigned to Cassella Aktiengessellschaft
  • Imidazolidine derivatives
    Patent number: 5554594
    Abstract: The present invention relates to compounds of the general formula I ##STR1## in which R, R.sup.1 to R.sup.4, r, Y, Z and W are defined as indicated in the description, a process for their preparation and their use as inhibitors of platelet aggregation, metastasis of carcinoma cells and osteoclast binding to the bone surfaces.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: September 10, 1996
    Assignee: Cassella Aktiengessellschaft
    Inventors: Gerhard Zoller, Bernd Jablonka, Melitta Just, Otmar Klingler, Gerhard Breipohl, Jochen Knolle, Wolfgang K onig
  • Allymercaptoacetylsydnonimines, processes for their preparation, and their use
    Patent number: 4888333
    Abstract: Substituted allylmercaptoacetylsydnonimines of the general formula I ##STR1## and their pharmacologically acceptable acid addition salts, in which R.sub.1 represents a secondary amino group of the formula ##STR2## and X denotes ##STR3## R.sub.2 denotes one of the radicals R.sub.3 OOC--, R.sub.4 SO.sub.2 -- or alkyl having1-4 C atoms,n denotes one of the values 1, 1 or 2,and R.sub.3 denotes alkyl having 1-4 C atoms,and R.sub.4 represents R.sub.3 or (R.sub.3).sub.2 N--, have valuable pharmacological properties.
    Type: Grant
    Filed: August 10, 1988
    Date of Patent: December 19, 1989
    Assignee: Cassella Aktiengessellschaft
    Inventors: Helmut Bohn, Melitta Just, Rolf-Eberhard Nitz