Patents Represented by Attorney, Agent or Law Firm Kent S. Kokko
  • Patent number: 8349962
    Abstract: A pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an acylaziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: January 8, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Belma Erdogan, Timothy D. Filiatrault, Maureen A. Kavanagh, Larry R. Krepski, Babu N. Gaddam
  • Patent number: 8328023
    Abstract: A grafted nonwoven substrate is disclosed having average fiber sizes of 0.7 to 15 microns, and a void volume of 50 to 95%, and a polymer comprising cationic aminoalkyl(meth)acryloyl monomer units grafted to the surface of the nonwoven substrate. The article may be used as a filter element to purify or separate target materials, such as oligonucleotides or monoclonal antibodies (MAb), from a fluid mixture.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: December 11, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Douglas E. Weiss, Clinton P. Waller, Jr., Michael R. Berrigan, Andrew W. Rabins, Jeffrey A. Lucas, Kannan Seshadri, Catherine A. Bothof
  • Patent number: 8329034
    Abstract: A grafted nonwoven substrate is disclosed having average fiber sizes of 0.7 to 15 microns, and a void volume of 50 to 95%, and a polymer comprising anionic monomer units grafted to the surface of the nonwoven substrate. The article may be used as a filter element to purify or separate target materials, such as monoclonal antibodies (MAb), from a fluid mixture.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: December 11, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Clinton P. Waller, Jr., Douglas E. Weiss, Catherine A. Bothof, Kannan Seshadri
  • Patent number: 8309650
    Abstract: The present invention provides pressure-sensitive adhesives having a refractive index of at least 1.50. The pressure-sensitive adhesives comprise at least one monomer containing a substituted or an unsubstituted carbazole group.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: November 13, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Michael D. Determan, Albert I. Everaerts, Cheryl L. Moore, David B. Olson
  • Patent number: 8268067
    Abstract: A composition and method of treating substrates, in particular substrates having a hard surface such as ceramics, metal or glass, to render them water, oil, stain, and dirt repellent is described.
    Type: Grant
    Filed: October 6, 2009
    Date of Patent: September 18, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Suresh Iyer, Wayne W. Fan
  • Patent number: 8263711
    Abstract: Described is a pre-adhesive, curable composition comprising an acid-functional (meth)acrylate copolymer and a novel (meth)acryloyl-aziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive composition.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: September 11, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Larry R. Krepski, Peiwang Zhu, Belma Erdogan-Haug, Wen Jie Zhang, Dang Xie, Maureen A. Kavanagh, Marie Aloshyna ep Lesuffleur, Babu Gaddam, Qing Wu
  • Patent number: 8232332
    Abstract: A curable composition is described, including a gel material derived from the curable composition, and medical articles including such material, wherein the transparent gel material includes a polymerized monofunctional poly(alkylene oxide) macromonomer component and a surface modified nanoparticle component.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: July 31, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Kelly S. Anderson, Kevin M. Lewandowski, David J. Plaut, Wendy L. Thompson, Babu N. Gaddam
  • Patent number: 8222340
    Abstract: A pre-adhesive syrup polymer composition is described comprising an acid-functional (meth)acrylate copolymer and an aminoalkyl (meth)acryloyl solvent monomer, which when polymerized, provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: July 17, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Belma Erdogan-Haug, Maureen A. Kavanagh, Marie Aloshyna ep Lesuffleur, Larry R. Krepski, Babu N. Gaddam
  • Patent number: 8148471
    Abstract: A pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and a crosslinking system comprising an aziridine crosslinking agent and epoxy-functional (meth)acryloyl monomer, which when crosslinked, provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: April 3, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Maureen A. Kavanagh, Larry R. Krepski, Kelly S. Anderson, Peiwang Zhu, Belma Erdogan-Haug, Babu N. Gaddam
  • Patent number: 8148122
    Abstract: The present invention relates to culturing cells utilizing a matrix of microfibrillated thermoplastic polymeric materials. More specifically, the present invention relates to a method of culturing cells. In addition, the invention relates to a microfibrillated article for culturing cells dispersed in a cell culture medium. The matrix of thermoplastic polymeric materials for culturing cells of this invention finds use in tissue engineering and wound healing applications.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: April 3, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Mario A. Perez, Terry R. Hobbs, Stephanie J. Moeller
  • Patent number: 8137807
    Abstract: Pressure-sensitive adhesives are prepared from (meth)acrylate esters of 2-alkyl alkanols. The adhesives are characterized by exhibiting an overall balance of adhesive and cohesive characteristics and exceptional adhesion to low surface energy substrates.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: March 20, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Jason D. Clapper, Kevin M. Lewandowski, Jingjing Ma, Zhong Chen
  • Patent number: 8066900
    Abstract: Azeotrope-like compositions comprising 1-bromopropane and 1,1,1,2,3,3-hexafluoro-3-methoxy-propane, and uses thereof, are described.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: November 29, 2011
    Assignee: 3M Innovative Properties Company
    Inventor: John G. Owens
  • Patent number: 8067504
    Abstract: A pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an acylaziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: November 29, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Belma Erdogan, Timothy D. Filiatrault, Maureen A. Kavanagh, Larry R. Krepski, Babu N. Gaddam
  • Patent number: 8062701
    Abstract: A process for preparing a metallic nanoparticle-coated substrate is described, by transferring a metallic nanoparticle coating from a microporous film.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: November 22, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Donald J. McClure, Mario A. Perez
  • Patent number: 8007905
    Abstract: The present invention relates to culturing cells utilizing a matrix of microfibrillated thermoplastic polymeric materials. More specifically, the present invention relates to a method of culturing cells. In addition, the invention relates to a microfibrillated article for culturing cells dispersed in a cell culture medium. The matrix of thermoplastic polymeric materials for culturing cells of this invention finds use in tissue engineering and wound healing applications.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: August 30, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Mario A. Perez, Terry R. Hobbs, Stephanie J. Moeller
  • Patent number: 8002886
    Abstract: Fluorochemical urethane compounds and coating compositions derived therefrom are described. The compounds and composition may be used in treating substrates, in particular substrates having a hard surface such as ceramics or glass, to render them water, oil, stain, and/or dirt repellent. The compounds have the formula (Rf)xR1—(R2)y]z wherein Rf is a fluorine-containing group, R1 is the residue of a polyisocyanate. R2 is of the formula —NH—CO—X1—R3(CH2CH2—S—R5—Si(Y)p(R6)3p)q wherein X1 is —O— or —NR4—, where R4 is H or C1-C4 alkyl, R3 is a polyvalent alkylene or arylene group, or combinations thereof, said alkylene groups optionally containing one or more catenary oxygen atoms, R5 is a divalent alkylene group, said alkylene group optionally containing one or more catenary oxygen atoms, Y is a hydrolysable group, R6 is a monovalent alkyl or aryl group, p is 1, 2 or 3, q is 1 to 5, x and y are each independently at least 1, and z is 1 or 2.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: August 23, 2011
    Assignee: 3M Innovative Properties Company
    Inventor: Gregory D. Clark
  • Patent number: 7985723
    Abstract: Described are anionic N-substituted fluorinated sulfonamide surfactants, and use thereof in cleaning and in acid etch solutions. The cleaning and etch solutions are used with a wide variety of substrates, for example, in the cleaning and etching of silicon oxide-containing substrates.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: July 26, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Patricia M. Savu, William M. Lamanna, Michael J. Parent
  • Patent number: 7981949
    Abstract: A curable composition is described, including a gel material derived from the curable composition, and medical articles including such material, wherein the transparent gel material includes a polymerized monofunctional poly(alkylene oxide) macromonomer component and a surface modified nanoparticle component.
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: July 19, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Kelly S. Anderson, Kevin M. Lewandowski, David J. Plaut, Wendy L. Thompson, Babu N. Gaddam
  • Patent number: 7973096
    Abstract: A polymerizable composition, comprising a first component comprising a cationic nanoparticle comprising a covalently bonded ammonium group, and a second component comprising an anionic polyether compound is described. Either the first component further comprises an ethylenically unsaturated polymerizable group, the second component further comprises an ethylenically unsaturated polymerizable anion, or both. A method of making an article comprising applying the polymerizable composition to a surface of an article is also described.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: July 5, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Kelly S. Anderson, Babu N. Gaddam, Alphonsus V. Pocius, Jeremy M. Yarwood
  • Patent number: 7935540
    Abstract: A metallic nanoparticle coated water-soluble polymeric substrate and the process for preparing and using the same is described.
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: May 3, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Rajdeep S. Kalgutkar, Donald J. McClure, Mario A. Perez