Patents by Inventor Robert Ehrl

Robert Ehrl 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).

  • Crystalline forms of 3-(2R-tetrahydrofuryl-methyl)-2-thioxanthine
    Publication number: 20080312311
    Abstract: The present invention relates to novel crystalline forms of 3-(2R-tetrahydrofuryl-methyl)-2-thioxanthine. Further the present invention also relates to compositions comprising them and their use in therapy.
    Type: Application
    Filed: June 12, 2008
    Publication date: December 18, 2008
    Applicant: ASTRAZENECA AB
    Inventors: Bengt Leonard Aslund, Robert Ehrl
  • Process for the preapartion 3-aryl-2-hydroxypropionic acid derivative
    Publication number: 20050014955
    Abstract: A process for the preparation of a compound of formula I in which R represents H or an acid protecting group which comprises reacting a compound of formula II in which R is as previously defined with a compound of formula III wherein X is a suitable leaving group in the presence of a base and a phase transfer catalyst at a temperature in the range 50° C. to 150° C.
    Type: Application
    Filed: May 30, 2002
    Publication date: January 20, 2005
    Inventors: Robert Ehrl, William Mackintosh, Panagiotis Ioannidis