Patents by Inventor Franz Radivojevich

Franz Radivojevich 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).

  • Coronary therapeutic agent in the form of soft gelatin capsules
    Patent number: 4689233
    Abstract: The present invention relates to a coronary therapeutic agent in the form of soft gelatin capsules, which contain the active substance nifedipine in an organic solvent. In the prior art, there where problems regarding the capsule size and with respect to the low nifedipine active substance concentration. These problems are obviated by the invention, in that nifedipine with PVP, optionally as a coprecipitate and without glycerin, is dissolved in THFP and consequently permits a capsule weight of in all only e.g. 162 mg.
    Type: Grant
    Filed: January 6, 1986
    Date of Patent: August 25, 1987
    Assignee: Siegfried Aktiengesellschaft
    Inventors: Stephan Dvorsky, Franz Radivojevich, Hans Joss