Patents by Inventor James Hrabal

James Hrabal 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).

  • Patent number: 9731245
    Abstract: The present invention relates to a method of removing a gas from a mixture. The method includes contacting a silicone membrane with a feed mixture including at least a first gas component and contacting a second side of the membrane with an organosilicon sweep liquid, producing a retentate mixture depleted in the first gas component and an organosilicon sweep liquid enriched in the first gas component. The invention also provides methods of removing a gas from a liquid, and methods of regenerating and recycling an organosilicon sweep liquid.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: August 15, 2017
    Assignee: Dow Corning Corporation
    Inventors: Dongchan Ahn, Aaron Greiner, James Hrabal, Alexandra Lichtor
  • Publication number: 20150231556
    Abstract: The present invention relates to silicone membranes, and methods of making and using the same. The present invention provides a silicone membrane including a cured product of a mixture, the mixture including a film including a silicone elastomer having a plurality of silicon-bonded hydrogen atoms and a composition in contact with at least one side of the film including a poly(alkylene oxide) having at least one unsaturated aliphatic carbon-carbon bond. The present invention also includes methods of making the membrane, and methods of using the membrane.
    Type: Application
    Filed: November 6, 2013
    Publication date: August 20, 2015
    Inventors: Dongchan Ahn, James Hrabal, Alexandra Lichtor
  • Publication number: 20150190747
    Abstract: The present invention relates to a method of removing a gas from a mixture. The method includes contacting a silicone membrane with a feed mixture including at least a first gas component and contacting a second side of the membrane with an organosilicon sweep liquid, producing a retentate mixture depleted in the first gas component and an organosilicon sweep liquid enriched in the first gas component. The invention also provides methods of removing a gas from a liquid, and methods of regenerating and recycling an organosilicon sweep liquid.
    Type: Application
    Filed: September 25, 2013
    Publication date: July 9, 2015
    Inventors: Dongchan Ahn, Aaron Greiner, James Hrabal, Alexandra Lichtor