Patents by Inventor Katherine A. S. Graham

Katherine A. S. Graham 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: 20130302722
    Abstract: The present invention is an electrochemical device subassembly that includes a membrane electrode assembly and a gasket. The membrane electrode assembly includes an electrolyte membrane having a first major surface, a second major surface opposite the first major surface, and a peripheral edge. The gasket is disposed adjacent the first major surface of the electrolyte membrane at the peripheral edge, and has a plurality of replicated structures that extend greater than about 250 micrometers from a surface of the gasket.
    Type: Application
    Filed: July 12, 2013
    Publication date: November 14, 2013
    Inventors: Paul M. BOUCHER, Michael A. YANDRASITS, Katherine A.S. GRAHAM, Eric J. HANSON
  • Patent number: 8546045
    Abstract: An electrochemical device subassembly is provided that includes a membrane electrode assembly and a gasket. The membrane electrode assembly includes an electrolyte membrane having a first major surface, a second major surface opposite the first major surface, and a peripheral edge. The gasket is disposed adjacent the first major surface of the electrolyte membrane at the peripheral edge, and has a plurality of replicated structures that extend greater than about 250 micrometers from a surface of the gasket.
    Type: Grant
    Filed: September 19, 2005
    Date of Patent: October 1, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Paul M. Boucher, Michael A. Yandrasits, Katherine A. S. Graham, Eric J. Hanson
  • Patent number: 8034431
    Abstract: There is provided a laminate of a thermoplastic backing to a fibrous web. This laminate, for example, could be used as a loop laminate for use in a hook and loop fastening system or an intermittently bonded elastic fibrous laminate. The laminate comprises a thermoplastic backing layer, having a first face and a second face. The backing layer has a plurality of projections extending from at least the first face of the backing. A fibrous web is attached to the backing at the location of at least some of the projections. The thermoplastic material of the backing, at the location of the projections, penetrates into the fibrous web encapsulating at least in part fibers of the fibrous web. The fibrous web preferably penetrates into at least some of the projections. The fibrous web is generally not attached, or very lightly attached, to the backing layer over at least some portion of the distance between adjacent projections.
    Type: Grant
    Filed: January 25, 2006
    Date of Patent: October 11, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Jayshree Seth, Leigh E. Wood, Ronald W. Ausen, Randall L. Alberg, Dennis L. Becker, Katherine A. S. Graham, Byron M. Jackson, Janet A. Venne
  • Patent number: 7883769
    Abstract: The invention is directed in part to an article that includes a polymer foam having a surface with surface microstructures, the surface microstructures have at least one extent or dimension of about 10 microns or more, preferably 50 microns or more. A maximum extent (unless it is a continuous rib-like structure) the microstructure is about 300 microns or less, preferably 200 microns or less, and generally a maximum height of 1000 microns or less, preferably 750 microns or less and a minimum height of 200 microns or more, preferably 300 microns or more. The foamed article may be provided in a variety of shapes, including a rod, a cylinder, a sheet, etc. In a preferred embodiment where the foam is provided in the form of a sheet, the foam has a pair of major surfaces, one or both of which can be provided with surface microstructures.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: February 8, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Jayshree Seth, Christopher K. Haas, Ravi K. Sura, Katherine A. S. Graham, Janet A. Venne
  • Publication number: 20110008570
    Abstract: The invention is directed in part to an article that includes a polymer foam having a surface with surface microstructures, the surface microstructures have at least one extent or dimension of about 10 microns or more, preferably 50 microns or more. A maximum extent (unless it is a continuous rib-like structure) the microstructure is about 300 microns or less, preferably 200 microns or less, and generally a maximum height of 1000 microns or less, preferably 750 microns or less and a minimum height of 200 microns or more, preferably 300 microns or more. The foamed article may be provided in a variety of shapes, including a rod, a cylinder, a sheet, etc. In a preferred embodiment where the foam is provided in the form of a sheet, the foam has a pair of major surfaces, one or both of which can be provided with surface microstructures.
    Type: Application
    Filed: September 23, 2010
    Publication date: January 13, 2011
    Inventors: Jayshree Seth, Christopher K. Haas, Ravi K. Sura, Katherine A.S. Graham, Janet A. Venne
  • Publication number: 20090047855
    Abstract: There is provided an elastic nonwoven laminate. The elastic layer is laminated along at least one face to an extensible nonwoven web via strand spacer elements that extend in a first direction of the nonwoven web providing for a strengthening effect in the first direction. The elastic layer is attached to the extensible nonwoven web without any significant bonding of the extensible nonwoven web to the elastic layer between the spacer elements wherein the elastic nonwoven laminate is easily extensible in a second direction without activation.
    Type: Application
    Filed: August 16, 2007
    Publication date: February 19, 2009
    Inventors: Jayshree Seth, Janet A. Venne, Katherine A.S. Graham
  • Patent number: 7235202
    Abstract: The present invention concerns an extrusion formed reticulated web, mesh or netting including reticulated hook fasteners for use with hook and loop fasteners the polymer netting comprising two sets of strands at angles to each other. The first set of strands are a plurality of oriented (molecular orientation created by stretching) strands extending in a first direction and are generally mutually parallel and linear. The second set of strands are a plurality of substantially parallel strands attached only to a first face of the first set of oriented strands. The first set of oriented strands occupy a first planar cross-sectional area in the thickness direction of the formed netting. Said second set of oriented strands occupy a second planar cross-sectional area in the thickness direction of the formed netting. Preferably, these first and second planar cross-sectional areas are substantially mutually exclusive and are abutting.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: June 26, 2007
    Assignee: 3M Innovative Properties Company
    Inventors: Jayshree Seth, Ronald W. Ausen, Janet A. Venne, Katherine A. S. Graham
  • Publication number: 20040258902
    Abstract: The invention is directed in part to an article that includes a polymer foam having a surface with surface microstructures, the surface microstructures have at least one extent or dimension of about 10 microns or more, preferably 50 microns or more. A maximum extent (unless it is a continuous rib-like structure) the microstructure is about 300 microns or less, preferably 200 microns or less, and generally a maximum height of 1000 microns or less, preferably 750 microns or less and a minimum height of 200 microns or more, preferably 300 microns or more. The foamed article may be provided in a variety of shapes, including a rod, a cylinder, a sheet, etc. In a preferred embodiment where the foam is provided in the form of a sheet, the foam has a pair of major surfaces, one or both of which can be provided with surface microstructures.
    Type: Application
    Filed: June 18, 2003
    Publication date: December 23, 2004
    Applicant: 3M Innovative Properties Company
    Inventors: Jayshree Seth, Christopher K. Haas, Ravi K. Sura, Katherine A.S. Graham, Janet A. Venne
  • Publication number: 20040170802
    Abstract: The present invention concerns an extrusion formed reticulated web, mesh or netting including reticulated hook fasteners for use with hook and loop fasteners the polymer netting comprising two sets of strands at angles to each other. The first set of strands are a plurality of oriented (molecular orientation created by stretching) strands extending in a first direction and are generally mutually parallel and linear. The second set of strands are a plurality of substantially parallel strands attached only to a first face of the first set of oriented strands. The first set of oriented strands occupy a first planar cross-sectional area in the thickness direction of the formed netting. Said second set of oriented strands occupy a second planar cross-sectional area in the thickness direction of the formed netting. Preferably, these first and second planar cross-sectional areas are substantially mutually exclusive and are abutting.
    Type: Application
    Filed: November 12, 2003
    Publication date: September 2, 2004
    Inventors: Jayshree Seth, Ronald W. Ausen, Janet A. Venne, Katherine A. S. Graham