Patents Assigned to Belmac Corporation
  • Patent number: 5250734
    Abstract: A compound represented by the following formula (I): ##STR1## wherein R is hydrogen, methyl, ethyl, propyl, butyl, phenyl, CH.sub.2 CH(OH)CH.sub.3, CH.sub.2 CH(OH)CH(OH), CH.sub.2 CH.sub.2 CH.sub.2 -phenyl, or a group of the formula (CH.sub.2).sub.x -Ar, where x is 0 to 4 and Ar is a 6-membered ring from phenyl, pyridyl, cyclohexyl, or pyranyl, each of which may be substituted with a hydrophilic group(s), andX can be Cl, tartrate, oxalate, or quinate.
    Type: Grant
    Filed: May 28, 1992
    Date of Patent: October 5, 1993
    Assignee: Belmac Corporation
    Inventors: Jean-Francois Rossignol, Michael E. Randazzo