Patents by Inventor George R. Krsek

George R. Krsek 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).

  • Pain relief composition, method to form same, and method to use same
    Patent number: 7404970
    Abstract: An oral dosage form which includes a bi-layer tablet consisting of an Actives Granulation layer and an Osmagen Granulation layer is disclosed. An encapsulant is disposed over that bi-layer tablet. The encapsulated bi-layer tablet includes an orally therapeutically effective dose of oxycodone in combination with dextromethorphan, where the weight ratio of oxycodone to dextromethorphan is 1:5. The oral dosage form does not include an opioid antagonist.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: July 29, 2008
    Assignee: Konec, Inc.
    Inventors: George R. Krsek, Enrique E. Durazo
  • Method to separate stereoisomers
    Patent number: 7229557
    Abstract: A method to resolve the stereoisomers of an optically active compound comprising an amine moiety. The method provides a mixture comprising two stereoisomers of a compound comprising a amine moiety. The method supplies l-fenchyloxyacetic acid, treats the mixture of stereoisomers with that l-fenchyloxyacetic acid, and collects one of those two stereoisomers having greater than a 99 percent enantiomeric excess.
    Type: Grant
    Filed: February 4, 2004
    Date of Patent: June 12, 2007
    Assignee: Konec, Inc.
    Inventors: George R. Krsek, Enrique E. Durazo