Patents by Inventor Uwe Benner

Uwe Benner 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).

  • Diketopyrrolopyrrole cocrystals
    Patent number: 8119042
    Abstract: The invention relates to cocrystals of compounds of the formulae (I), (II) and (III), obtainable by reacting 1 mol of a succinic diester with 2 mol of a mixture of nitriles A-CN and B—CN, where A-CN and B—CN are present in the nitrile mixture in a molar ratio of 90:10 to 30:70 relative to one another, and where A-CN is 2-chlorobenzonitrile and B—CN is 4-X-benzonitrile where X=chlorine, methyl or nitrile.
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: February 21, 2012
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Matthias Ganschow, Uwe Benner, Sascha Steinhauer
  • Diketopyrrolopyrrole Cocrystals
    Publication number: 20100213421
    Abstract: The invention relates to cocrystals of compounds of the formulae (I), (II) and (III), obtainable by reacting 1 mol of a succinic diester with 2 mol of a mixture of nitriles A-CN and B-CN, where A-CN and B-CN are present in the nitrile mixture in a molar ratio of 90:10 to 30:70 relative to one another, and where A-CN is 2-chlorobenzonitrile and B-CN is 4-X-benzonitrile where X=chlorine, methyl or nitrile.
    Type: Application
    Filed: September 24, 2008
    Publication date: August 26, 2010
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Matthias Ganschow, Uwe Benner, Sascha Steinhauer