Patents Represented by Attorney Jean A. Lown
  • Patent number: 6664111
    Abstract: Sensing elements, sensor systems and methods for determining the concentration of oxygen and oxygen-related analytes in a medium are provided. The sensing element comprises a solid polymeric matrix material that is permeable to oxygen or an oxygen related analyte and an indicator that is covalently bonded to the solid polymeric matrix material. The indicator is a luminescent platinum group metal polyaromatic chelate complex capable of having its luminescence quenched by the presence of oxygen. The polyaromatic complex comprises three ligands, at least one of which is a bidentate diphenylphenanthroline. The polyaromatic complex is distributed substantially homogenously throughout the matrix material and is covalently bonded to the matrix material via a linker arm. The linker arm is attached to a phenyl group of a diphenylphenanthroline ligand and to the backbone of the polymeric matrix material.
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: December 16, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: James G. Bentsen, Ralph R. Roberts, Orlin B. Knudson, Daniel Alvarez, Jr., Michael J. Rude
  • Patent number: 6656979
    Abstract: An adhesive/sealant which is curable by radiation exposure composition having at least one of adhesive and sealant properties and comprising a radiation polymerizable vinyl material, a polymerization initiator for radiation polymerization of the vinyl material, a thermosetting epoxy-containing material and a heat-activatable hardener for the epoxy-containing material.
    Type: Grant
    Filed: October 16, 2001
    Date of Patent: December 2, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Shuichi Kitano, Koji Imai
  • Patent number: 6641921
    Abstract: A metallized film comprises an opaque, continuous layer of metal on an aliphatic polyurethane substrate. The polyurethane substrate displays a glass transition temperature of about 25° to 110° C. and a melting temperature greater than or equal to 200° C. Decorative articles can be made with the metallized film.
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: November 4, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Dennis O. Falaas, Howard C. Raschke
  • Patent number: 6635689
    Abstract: Accelerators that can be useful for an energy polymerizable composition comprising a cationically curable material; energy polymerizable compositions comprising at least one cationically curable material and an initiation system therefor, the initiation system comprising at least one organometallic complex salt and at least one accelerator; and a method for curing the compositions. The cured compositions can provide useful articles. The invention also provides compositions of matter comprising an organometallic complex salt and at least one compound selected from the Class 1 through Class 4 compounds disclosed herein.
    Type: Grant
    Filed: June 26, 2000
    Date of Patent: October 21, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Wayne S. Mahoney, Michael C. Palazzotto
  • Patent number: 6630531
    Abstract: A novel polymodal asymmetric elastomeric block copolymer and a pressure sensitive adhesive, tape and adhesive backed article made therefrom, such as a polymer foam article having a substantially smooth surface prepared by melt-mixing a polymer composition and a plurality of microspheres, at least one of which is an expandable polymeric microsphere, under process conditions, including temperature and shear rate, selected to form an expandable extrudable composition; and extruding the composition through a die.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: October 7, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Ashish K. Khandpur, Jingjing Ma, Mark D. Gehlsen, Bradley S. Momchilovich, John J. Stradinger
  • Patent number: 6613294
    Abstract: A pollution control device has a metal housing, a solid pollution control device disposed within the metal housing, and a mounting mat disposed between the pollution control element and the housing for positioning the pollution control element and for absorbing mechanical and thermal shock. The mounting mat includes a layer of intumescent material having at least one insert formed of a resilient, flexible, fibrous non-intumescent material. The insert is positioned along at least a portion of at least one lateral edge of the mounting mat to prevent erosion of the intumescent material and to provide a seal between the pollution control element and the housing.
    Type: Grant
    Filed: March 16, 1999
    Date of Patent: September 2, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Stephen M. Sanocki, Loyd R. Hornback, III, Richard P. Merry, Joel H. Sabean, Paul D. Stroom
  • Patent number: 6607831
    Abstract: A multi-layered article comprising a first layer of a thermoset polyurethane. A second layer of a polymeric composition is bonded to the first layer. The polyurethane has available isocyanate groups prior to the application of the second layer. The second layer is applied onto the first layer in a pre-polymeric or polymeric state wherein the material has carboxyl groups and a cross-linking agent.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: August 19, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Charlie Chia-Tie Ho, Clarence Fullbright, Jr.
  • Patent number: 6605332
    Abstract: A unitary polymer substrate having a plurality of microfibers projecting from a surface is provided. The presence of the microfibers greatly increases the surface area and can impart a cloth-like feel to the surface. The projecting microfibers may have a variety of forms, including frayed-end microfibers, tapered microfibers, microfibers having an expanded cross-sectional shape, and microfibers having a very high aspect ratio. A number of methods of producing unitary polymer structures with a plurality of projecting microfibers are also provided.
    Type: Grant
    Filed: July 29, 1997
    Date of Patent: August 12, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Clyde D. Calhoun, David C. Koskenmaki, James G. Berg, Jennifer M. Aamodt
  • Patent number: 6565909
    Abstract: A low density, ready-to-serve frosting is provided that can be stored for extended periods of time with little or no separation of the aqueous and shortening phases and with minimal volume changes. The frosting is stabilized by the formation of an aqueous phase gel rather than by manipulation of the composition of the shortening phase. The aqueous phase gel comprises water and maltodextrin, water and inulin, or water and a mixture of maltodextrin and inulin.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: May 20, 2003
    Assignee: The Pillsbury Company
    Inventors: Victor Tsangmin Huang, Fern Alane Panda, Diane Rae Rosenwald
  • Patent number: 6524675
    Abstract: An adhesive-backed article having a compliant film with a pressure sensitive adhesive bonded to one surface of the film. The pressure sensitive adhesive includes a microstructured surface opposite the compliant film. The microstructured surface defines channels in the adhesive. The channels create pathways for the egress of fluids. Upon application onto a substrate, the channels and structures wet out to render the microstructured surface substantially undetectable when viewed from the exposed surface of the article.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: February 25, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Haruyuki Mikami, Mieczyslaw H. Mazurek, Patrick R. Fleming