Patents by Inventor Robert Rezaie

Robert Rezaie 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).

  • METHOD FOR EXTRACTION AND CONCENTRATION OF ALKALOIDS USING DIMETHYL ETHER
    Publication number: 20160228483
    Abstract: The present invention is directed to a method for the extraction and/or enrichment of alkaloids from a mixture containing such compounds. More particularly, the present invention is directed to methods for extracting one or more alkaloids using dimethyl ether.
    Type: Application
    Filed: September 21, 2015
    Publication date: August 11, 2016
    Inventors: Douglas Phillip Cox, Timothy Samuel Bailey, Val Krukonis, Robert Rezaie, Hans Schonemann, Brian Jeffrey Waibel
  • Process for making morphinan-6?-ols
    Patent number: 8236957
    Abstract: The present invention provides a process whereby morphinan-6-ones can be converted stereospecifically to the corresponding morphinan-6?-ols by catalytic hydrogenation under basic conditions.
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: August 7, 2012
    Assignee: Janssen Pharmaceutica B.V.
    Inventors: Robert Rezaie, Timothy S. Bailey
  • PROCESS FOR MAKING MORPHINAN-6alpha-OLS
    Publication number: 20100036128
    Abstract: The present invention provides a process whereby morphinan-6-ones can be converted stereospecifically to the corresponding morphinan-6?-ols by catalytic hydrogenation under basic conditions.
    Type: Application
    Filed: August 10, 2009
    Publication date: February 11, 2010
    Inventors: Robert Rezaie, Timothy S. Bailey
  • Process for the synthesis of hydromorphone
    Publication number: 20060009479
    Abstract: There is described a method for converting oripavine to hydromorphone or a physiologically acceptable salt thereof such as hydromorphone hydrochloride involving generation of 8,14-dihydrooripavine utilising diimine.
    Type: Application
    Filed: July 11, 2005
    Publication date: January 12, 2006
    Inventors: Timothy Bailey, Paul Gee, Robert Rezaie