Patents by Inventor Darren James Litle

Darren James Litle 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).

  • Use of adsorbents for the purification of dry cleaning solvents
    Patent number: 8286289
    Abstract: The present invention refers to the use of an adsorbent comprising particles comprising an amorphous phase and a crystalline phase for the purification of dry cleaning solvents. The present invention furthermore relates to a filter unit containing such an adsorbent. It also refers to a dry cleaner containing a filter according to the invention. Additionally, the present invention refers to a process for dry cleaning textiles, wherein an adsorbent according to the invention is used.
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: October 16, 2012
    Assignee: Sud-Chemie AG
    Inventors: Jose Antonio Ortiz Niembro, Eric Thomassiny Villaurrutia, Jorge Bello, Darren James Litle
  • USE OF ADSORBENTS FOR THE PURIFICATION OF DRY CLEANING SOLVENTS
    Publication number: 20110162153
    Abstract: The present invention refers to the use of an adsorbent comprising particles comprising an amorphous phase and a crystalline phase for the purification of dry cleaning solvents. The present invention furthermore relates to a filter unit containing such an adsorbent. It also refers to a dry cleaner containing a filter according to the invention. Additionally, the present invention refers to a process for dry cleaning textiles, wherein an adsorbent according to the invention is used.
    Type: Application
    Filed: May 14, 2009
    Publication date: July 7, 2011
    Inventors: Jose Antonio Ortiz Niembro, Eric Thomassiny Villaurrutia, Jorge Bello, Darren James Litle