Patents by Inventor Csaba Keny?

Csaba Keny? 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).

  • Polymer compositions with improved barrier properties against the permeation of oxygen
    Patent number: 9193847
    Abstract: The present invention relates to polymer compositions comprising (a) a polymer containing hydroxyl alkylene repeating units and (b) an additive selected from compounds of the formulae (1) to (6) wherein Ra1, Ra2, Ra3 and Ra4 can be the same or different and independently represent a group selected from the moieties having formula (A) or formula (B), wherein Rb is selected from hydrogen, C1-6 alkyl, C1-6 alkoxy and —CO—C1-4 alkyl.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: November 24, 2015
    Assignee: Clariant Production (France) S.A.S.
    Inventors: Christoph Kröhnke, Csaba Kenyō, Károly Renner, Béla Pukánszky