Patents by Inventor L?apos;uboslav Razus

L?apos;uboslav Razus 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).

  • Controlled release pharmaceutical composition containing tramadol hydrochloride
    Publication number: 20030175343
    Abstract: The invention solves a controlled release pharmaceutical composition containing tramadol hydrochloride, characterized in that it contains 100 to 200 mg of the active ingredient in admixture with micronized esters of glycerol with higher fatty acids, alkali salts of phosphoric acid, non-ionic vinylpyrrolidone polymers, substances from the group of salts of higher fatty acids with alkaline earth metals and silicon oxides and a method for the preparation of this composition.
    Type: Application
    Filed: May 5, 2003
    Publication date: September 18, 2003
    Inventors: L?apos;uboslav Razus, Helena Sedlarova, Ivan Varga, Ondrej Gattnar, Marian Zemanek