Patents Represented by Attorney, Agent or Law Firm Kent S. Kokko
  • Pressure-sensitive adhesive containing aziridinyl silanes
    Patent number: 7652095
    Abstract: An adhesive composition comprising an emulsion polymer which comprises a (meth)acrylate copolymer, and aziridinyl silane and an optional silica particle component is described. The addition of the aziridinyl silane results in a significant increase in the shear properties, particularly at elevated temperatures.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: January 26, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Timothy D. Filiatrault, Maureen A. Kavanagh, Kelly S. Anderson, Kevin M. Lewandowski, Larry R. Krepski, Babu N. Gaddam
  • Azlactone telechelic polymer
    Patent number: 7649054
    Abstract: A curable composition is described comprising a Michael donor component, a polyacryl component, and 1) an ethylenically unsaturated monomer having a reactive azlactone functional group, or 2) an ethylenically unsaturated monomer having a reactive ring-opened azlactone functional group. A telechelic polymer that is the reaction product of these components is also described.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: January 19, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Kevin M. Lewandowski, Duane D. Fansler, Babu N. Gaddam
  • High shear pressure-sensitive adhesive
    Patent number: 7645827
    Abstract: An adhesive composition comprising an emulsion polymer which comprises a (meth)acrylate copolymer and silica nanoparticles is described. The addition of the nanoparticles results in a significant increase in the overlap shear properties of the adhesive while maintaining the peel adhesion.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: January 12, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Kevin M. Lewandowski, Timothy D Filiatrault, Kelly S. Anderson, Babu N. Gaddam, Eugene G. Joseph, Ying-Yuh Lu
  • Ring-opened azlactone telechelic polymer
    Patent number: 7642321
    Abstract: A curable composition is described comprising a Michael donor component, a polyacryl component, and 1) an ethylenically unsaturated monomer having a reactive azlactone functional group, or 2) an ethylenically unsaturated monomer having a reactive ring-opened azlactone functional group. A telechelic polymer that is the reaction product of these components is also described.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: January 5, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Duane D. Fansler, Kevin M. Lewandowski, Babu N Gaddam
  • Ternary azeotropic-like compositions with 1,1,1,2,3,3-hexafluoro-3-methoxy-propane and trans-1,2-dichloroethylene
    Patent number: 7629307
    Abstract: Ternary azeotrope and azeotrope-like compositions containing 1,1,1,2,3,3-hexafluoro-3-methoxy-propane, trans-1,2-dichloroethylene and a third component, and methods of using azeotropes and azeotrope-like compositions to clean substrates, deposit coatings, transfer thermal energy, and lubricate working operations are described.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: December 8, 2009
    Assignee: 3M Innovative Properties Company
    Inventor: John G. Owens
  • Ternary azeotropic-like compositions with 1,1,1,2,3,3-hexafluoro-3-methoxy-propane and 1-bromopropane
    Patent number: 7625854
    Abstract: Ternary azeotrope and azeotrope-like compositions containing 1,1,1,2,3,3-hexafluoro-3-methoxy-propane, 1-bromopropane and a third component, and uses thereof, are described.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: December 1, 2009
    Assignee: 3M Innovative Properties Company
    Inventor: John G. Owens
  • Reactive hydrophilic oligomers
    Patent number: 7598298
    Abstract: Hydrophilic compositions are described, which are prepared from a first oligomer containing pendent polymerizable groups and pendent hydrophilic groups, crosslinked with a co-reactive second component oligomer possessing photoinitiator groups. The compositions may be used as in preparation of hydrophilic gel coatings or layers for medical devices.
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: October 6, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Kevin M. Lewandowski, Duane D. Fansler, Michael S. Wendland, Steven M. Heilmann, Babu N. Gaddam
  • Polymer derived from monomers with long-chain aliphatic, poly(oxyalkylene) and substrate-reactive groups
    Patent number: 7585919
    Abstract: The present invention provides a curable composition for use in retarding the formation of biofilms. The curable composition comprises a polymer derived from ethylenically unsaturated units having pendent long-chain aliphatic groups; ethylenically unsaturated units having pendent poly(oxyalkylene) groups; and ethylenically unsaturated units having pendent substrate-reactive groups; and a crosslinking agent.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: September 8, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Alphonsus V. Pocius, Jeremy M. Yarwood, Rudolf J. Dams, John J. Stofko, Jr.
  • Ring-opened azlactone initiators for atom transfer radical polymerization
    Patent number: 7557177
    Abstract: Initiators for atom transfer radical polymerizations are described. The initiators have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers.
    Type: Grant
    Filed: October 8, 2007
    Date of Patent: July 7, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Duane D. Fansler, Kevin M. Lewandowski, Babu N. Gaddam, Steven M. Heilmann, Larry R. Krepski, Stephen B. Roscoe, Michael S. Wendland
  • Antireflective article
    Patent number: 7553514
    Abstract: The present invention provides novel perfluoropolyether silanes, compositions containing the novel perfluoropolyether silanes and method of treating substrates, in particular substrates having a hard surface such as ceramics or glass, to render them water, oil, stain, and/or dirt repellent.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: June 30, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Wayne W. Fan, Richard M. Flynn
  • Functionalized substrates
    Patent number: 7553417
    Abstract: Functionalized substrates, methods of making functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: June 30, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Clinton P. Waller, Jr., Douglas Eugene Weiss
  • Compositions of fluorochemical surfactants
    Patent number: 7547732
    Abstract: Described are monomeric fluorochemical surfactants having two perfluoroalkyl sulfonamido segments and two hydrophilic group, which are more efficient and effective in lowering the surface tension of organic solvents and water compared to other C4-based fluorochemical surfactants.
    Type: Grant
    Filed: August 30, 2005
    Date of Patent: June 16, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: George G. I. Moore, William M. Lamanna, Michael S. Terrazas, Rudolf J. Dams, Johan E. De Witte
  • Pressure-sensitive adhesive containing silica nanoparticles
    Patent number: 7531595
    Abstract: An adhesive composition comprising an emulsion polymer which comprises a (meth)acrylate copolymer and silica nanoparticles is described. The addition of the nanoparticles results in a significant increase in the overlap shear properties.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: May 12, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Kevin M. Lewandowski, Timothy D. Filiatrault, Kelly S. Anderson, Babu N. Gaddam, Eugene G. Joseph, Ying-Yuh Lu, John J. Stofko, Jr.
  • Self-extinguishing polymer composition
    Patent number: 7521492
    Abstract: A composition is described comprising an organic polymer or a polymerizable monomer, having dispersed therein an azido polymer surface-modified particle phase, in an amount sufficient to reduce the flammability of the polymer.
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: April 21, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Jimmie R. Baran, Jr., Anthony P. Manzara
  • Curable thiol-ene compositions for optical articles
    Patent number: 7521015
    Abstract: Curable thiol-ene compositions containing urethane (meth)acrylate oligomers that are readily polymerized to produce optical articles and coatings are described.
    Type: Grant
    Filed: July 22, 2005
    Date of Patent: April 21, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Ming Cheng, Peter M. Olofson, Michele A. Craton, Ying-Yuh Lu
  • Curable compositions containing dithiane monomers
    Patent number: 7495054
    Abstract: The invention features compositions comprising at least one monomer that comprises a cyclic dithiane moiety attached to a (meth)acryloyl moiety. The composition may optionally contain additional polymerizable compounds, such as ethylenically unsaturated compounds, that are typically used in dental compositions.
    Type: Grant
    Filed: September 19, 2005
    Date of Patent: February 24, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Kevin M. Lewandowski, Ahmed S. Abuelyaman, David J. Plaut, Babu N. Gaddam
  • Crosslinkable hydrophilic materials from polymers having pendent Michael donor groups
    Patent number: 7473719
    Abstract: The present invention provides crosslinkable compositions useful in the preparation of hydrophilic gels, and are prepared from polymers having pendent hydrophilic groups, and pendant Michael donor groups, and crosslinked by polyacryl Michael acceptor compounds.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: January 6, 2009
    Assignee: 3M Innovative Properties
    Inventors: David J. Plaut, Duane D. Fansler, Kevin M. Lewandowski, Babu N. Gaddam
  • Organic polymers, electronic devices, and methods
    Patent number: 7473652
    Abstract: Organic polymers for use in electronic devices, wherein the polymer includes repeat units of the formula: wherein: each R1 is independently H, an aryl group, Cl, Br, I, or an organic group that includes a crosslinkable group; each R2 is independently H, an aryl group or R4; each R3 is independently H or methyl; each R5 is independently an alkyl group, a halogen, or R4; each R4 is independently an organic group that includes at least one CN group and has a molecular weight of about 30 to about 200 per CN group; and n=0-3; with the proviso that at least one repeat unit in the polymer includes an R4. These polymers are useful in electronic devices such as organic thin film transistors.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: January 6, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Feng Bai, Todd D. Jones, Kevin M. Lewandowski, Tzu-Chen Lee, Dawn V. Muyres, Tommie W. Kelley
  • Optical articles from curable compositions
    Patent number: 7463417
    Abstract: A curable composition is provided which includes an oligomer having a plurality of pendent and/or terminal ethylenically unsaturated, free-radically polymerizable functional groups, a free-radically polymerizable crosslinking agent, and/or a diluent monomer, and a photoinitiator. The composition, when cured, is non-yellowing, exhibits low shrinkage and low birefringence making it suitable for many optical applications such as optical lenses, optical fibers, prisms, light guides, optical adhesives, and optical films.
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: December 9, 2008
    Assignee: 3M Innovative Properties Company
    Inventors: John E. Duncan, Michael W. O'Keefe, Roy A. Auerbach, Peter M. Olofson, Christopher R. Boyer, Ying-Yuh Lu, Jianhui Xia
  • Reactive hydrophilic oligomers
    Patent number: 7459489
    Abstract: Hydrophilic compositions are described, which are prepared from a first oligomer containing pendent polymerizable groups and pendent hydrophilic groups, crosslinked with a co-reactive second component oligomer possessing photoinitiator groups. The compositions may be used as in preparation of hydrophilic gel coatings or layers for medical devices.
    Type: Grant
    Filed: August 8, 2006
    Date of Patent: December 2, 2008
    Assignee: 3M Innovative Properties Company
    Inventors: Kevin M. Lewandowski, Duane D. Fansler, Michael S. Wendland, Steven M. Heilmann, Babu N. Gaddam