Patents by Inventor Richard Koepsel

Richard Koepsel 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).

  • Publication number: 20130058910
    Abstract: A system includes at least one oxidase. at least one haloperoxidase; at least a first polymer including groups exhibiting nucleophilic activity for organophosphorus compounds, and a source of halide ions to serve as a substrate for haloperoxidase-catalyzed generation of halogens. The source of halide ions may, for example, include salt crystals or a salt in an extended release system. In a number of embodiments, the first polymer includes halide ions.
    Type: Application
    Filed: February 27, 2012
    Publication date: March 7, 2013
    Inventors: Richard Koepsel, Gabriel Amitai, Alan J. Russell, Hironobu Murata
  • Publication number: 20120009657
    Abstract: The invention relates a novel hybrid carbonic anhydrase catalyst with the potential to contribute significantly to meeting targeted reductions in greenhouse gas emissions. In a preferred embodiment of the present invention at least a portion of a cellulose binding domain (CBD) of a protein is fused to another protein, carbonic anhydrase, (CA) to create a new multifunctional protein which can bind tightly to cellulose while maintaining its native catalytic ability to process CO2. The resulting CA-CBD hybrid polypeptide can be immobilized to a cellulose support and used to cost-effectively capture CO2 from gas streams and other CO2-rich environs.
    Type: Application
    Filed: July 27, 2011
    Publication date: January 12, 2012
    Inventors: Mohammed . Ataai, Robert Dilmore, Yee Soong, Richard Koepsel, Zhu Liu
  • Publication number: 20110045557
    Abstract: The invention relates a novel hybrid carbonic anhydrase catalyst with the potential to contribute significantly to meeting targeted reductions in greenhouse gas emissions. In a preferred embodiment of the present invention at least a portion of a cellulose binding domain (CBD) of a protein is fused to another protein, carbonic anhydrase, (CA) to create a new multi-functional protein which can bind tightly to cellulose while maintaining its native catalytic ability to process CO2. The resulting CA-CBD hybrid polypeptide can be immobilized to a cellulose support and used to cost-effectively capture CO2 from gas streams and other CO2-rich environs.
    Type: Application
    Filed: July 27, 2007
    Publication date: February 24, 2011
    Inventors: Mohammed Ataai, Robert Dilmore, Yee Soong, Richard Koepsel, Zhu Liu
  • Publication number: 20080286319
    Abstract: The present invention relates to biocidal articles. In an embodiment the biocidal article comprises a plurality of polymers having biocidally active groups. The polymers are attached to a surface and may have a polydispersity less than 3. The biocidally active groups may comprise at least one of a quaternary ammonium salt, a quaternary phosphonium salt or a chloroamine. The attached polymers may be any microstructure, topology or composition, such as, a homopolymer, block copolymer, multiblock copolymer, a random copolymer, graft polymer, a branched or a hyperbranched polymer, and a gradient copolymer. The present invention also comprises a process for the preparation of a biocidal article. Embodiments of the process comprise polymerizing radically polymerizable monomers from an initiator attached to a surface, wherein at least a portion of the monomers comprise a group capable of being converted to a biocidally active group, and converting the group to the biocidally active group.
    Type: Application
    Filed: July 7, 2004
    Publication date: November 20, 2008
    Inventors: Alan Russell, Richard Koepsel, Sang Lee, Krzysztof Matyjaszewski
  • Publication number: 20070232699
    Abstract: The present invention provides amphiphilic diacetylene compounds, and compositions and self-assembled nanotubes containing the same. Also provided are methods of producing the compounds, compositions, and nanotubes of the invention, and methods of destroying or inhibiting the growth or proliferation of microorganisms using the nanotubes of the present invention.
    Type: Application
    Filed: September 27, 2005
    Publication date: October 4, 2007
    Inventors: Alan Russell, Richard Koepsel, Sang Lee
  • Publication number: 20060008490
    Abstract: The present invention relates to biocidal articles. In an embodiment the biocidal article comprises a plurality of polymers having biocidally active groups. The polymers are attached to a surface and may have a polydispersity less than 3. The biocidally active groups may comprise at least one of a quaternary ammonium salt, a quaternary phosphonium salt or a chloroamine. The attached polymers may be any microstructure, topology or composition, such as, a homopolymer, block copolymer, multiblock copolymer, a random copolymer, graft polymer, a branched or a hyperbranched polymer, and a gradient copolymer. The present invention also comprises a process for the preparation of a biocidal article. Embodiments of the process comprise polymerizing radically polymerizable monomers from an initiator attached to a surface, wherein at least a portion of the monomers comprise a group capable of being converted to a biocidally active group, and converting the group to the biocidally active group.
    Type: Application
    Filed: July 7, 2004
    Publication date: January 12, 2006
    Inventors: Alan Russell, Richard Koepsel, Sang Lee, Krzysztof Matyjaszewski