Patents by Inventor Bernhard Kropac

Bernhard Kropac 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).

  • Process for workup of glycol-containing aircraft deicers
    Patent number: 8262927
    Abstract: The invention provides a process for working up glycol-containing aircraft deicers, by (1) removing the suspended impurities from the used aircraft deicer, (2) treating the product thus obtained in such a way that the thickeners present therein are no longer capable of gel formation, (3) before or after step (2) establishing a pH of >7, (4) and then fractionally distilling off the glycols.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: September 11, 2012
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bernhard Kropac, Wolfgang Kerbl, Erich Gatter
  • Process For Workup Of Glycol-Containing Aircraft Deicers
    Publication number: 20110303870
    Abstract: The invention provides a process for working up glycol-containing aircraft deicers, by (1) removing the suspended impurities from the used aircraft deicer, (2) treating the product thus obtained in such a way that the thickeners present therein are no longer capable of gel formation, (3) before or after step (2) establishing a pH of >7, (4) and then fractionally distilling off the glycols.
    Type: Application
    Filed: December 2, 2009
    Publication date: December 15, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Bernhard Kropac, Wolfgang Kerbl, Erich Gatter