Patents by Inventor Ohannes Balekdijan

Ohannes Balekdijan 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).

  • Ester compounds, process for their preparation and their use
    Patent number: 5434237
    Abstract: Specific ester products obtainable by esterifying a selected polyethylene glycol with a dicarboxylic acid in a molar ratio of 1:0.25 to 1 are described. The novel ester compounds are efficient and easily biodegradable spin finishes.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: July 18, 1995
    Assignee: Hoechst AG
    Inventors: Frank Weinelt, Lothar Jaeckel, Ohannes Balekdijan