Patents Represented by Attorney Jeffrey M. Olofson
  • Patent number: 8343633
    Abstract: A method of modifying light is disclosed and includes: providing an optical element having an oriented polymer network of a silicone(meth)acrylate copolymer and exhibiting a first phase and a second phase, the first phase and the second phase being chemically connected and having different refractive indices, the first phase being continuous, and the second phase comprising a plurality of structures dispersed within the first phase; illuminating the optical element with light from a light source; and detecting polarized or directionally diffused light transmitted by the optical element. Optical elements including the polymer network and a variety of additional layers are also disclosed, as are optical devices such as prisms, display panels, lenses, and the like.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: January 1, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Mieczyslaw H. Mazurek, Robert L. Brott, David J. Kinning, Yufeng Liu, John E. Potts, Kevin R. Schaffer, Audrey A. Sherman, Wendi J. Winkler
  • Patent number: 8334037
    Abstract: A multi-layer assembly that includes a release liner, a first layer disposed on the release liner, the first layer including a pressure-sensitive adhesive composition that includes a silicone polymer that includes silicone polyurea block copolymers, polydiorganosiloxane polymers, or combinations thereof, a second layer disposed on the first layer, the second layer including a composition that includes an elastomer, the composition of the second layer being different from the pressure-sensitive adhesive composition of the first layer, the first layer of the multi-layer assembly exhibiting a release force to the release liner of no greater than 100 gram per 0.5 inch width after the multi-layer assembly has been stored for 46 days at 120° F.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: December 18, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Margaret M. Sheridan, James L. Bries, Jeffrey D. Malmer
  • Patent number: 8323773
    Abstract: An article including at least one first layer with a first major surface and a second major surface, wherein at least one of the first and second major surfaces is a structured surface; and a cap layer in contact with a structured surface of the first layer.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: December 4, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Peggy-Jean P. Flanigan, Mieczyslaw Mazurek, Peter A. Stark, Patrick R. Fleming, Janice R. Manore, Eric J. Borchers
  • Patent number: 8236226
    Abstract: Methods for changing the shape of a surface of an article are disclosed. The methods may include providing a liquid polymer precursor, casting the precursor against a first tool assembly, curing the precursor to form a shape memory polymer substrate, deforming one or more surfaces of the substrate, and mobilizing the shape memory polymer to shift the deformed surface of the substrate from a deformed shape to a pre-set shape.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: August 7, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Audrey A. Sherman, William J Bryan, Robert K. Galkiewicz, Mieczyslaw H. Mazurek, James R. Starkey, Wendi J. Winkler, Haiyan Zhang, Jeffrey M. Olofson
  • Patent number: 8030395
    Abstract: A water-based pressure sensitive adhesive dispersion is provided. The dispersion is a reaction product of a monomer solution and an aqueous phase. The monomer solution contains from about 40 to 70 parts water-insoluble monomer selected from the group consisting of alkyl acrylate, methacrylate, vinyl ester, and combinations thereof and from about 0.01 to 0.2 parts monomer soluble free radical initiator. The aqueous phase includes from about 1 to 20 parts latex binder, from about 0.1 to 2 parts surfactant, from about 0.02 to 1 parts polymeric suspension stabilizer, and water as a remaining balance. All parts are given as parts by weight per 100 parts of the dispersion. The dispersion has a solid phase of at least 60 weight percent, a viscosity of less than about 300 centipoise, measured at about 23° C., and a bimodal particle size distribution.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: October 4, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Chi-Ming Tseng, Margaret M. Sheridan, Chih C. Hsu, Chung I Young
  • Patent number: 7952805
    Abstract: A transparent solar control film may have a single or multiple layer core that includes at least one layer of an orientated thermoplastic polymer material. Infrared radiation absorbing nanoparticles that preferentially absorb at least about 100 times more infrared radiation than visible radiation may be dispersed within the at least one layer of an oriented thermoplastic polymer layer. The transparent solar control film may have a haze value of less than about 5 percent.
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: May 31, 2011
    Assignee: 3m Innovative Properties Company
    Inventors: Daniel J. McGurran, Edward J. Kivel, Jeffrey A. Boettcher, Laurence R. Gilbert, Mitsuhiro M. Kominami, Raghunath Padiyath, Stephen J. Strauss
  • Patent number: 7919158
    Abstract: An insulated glazing unit is described and includes a first transparent substrate spaced apart from a parallel second transparent substrate, a sealed void space defined between the first transparent substrate, second transparent substrate, and the window mounting member, and an infrared radiation reflecting multilayer polymeric film disposed between the first transparent substrate and the second transparent substrate. The infrared radiation reflecting multilayer polymeric film includes a plurality of alternating polymeric layers of a first polymer material and a second polymer material. At least one of the alternating polymer layers is birefringent and oriented. The alternating, polymeric layers cooperate to reflect infrared radiation.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: April 5, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Jayshree Seth, Raghunath Padiyath
  • Patent number: 7915211
    Abstract: A solid cleaner for heated surfaces is disclosed. The solid cleaner includes a solidifying agent including wax, and a cleaning agent. The solid cleaner is solid at room temperature and liquid at an elevated temperature. Methods of cleaning a heated surface and cleaning articles are also disclosed.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: March 29, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Lowell C. Zeller, Duane D. Fansler, Gerald R. Hofmann, Adriana Paiva, Smarajit Mitra, Terry R. Hobbs, Naiyong Jing, Augustine C. Liu, Mitchell T. Johnson
  • Patent number: 7906202
    Abstract: A tear resistant solar control multilayer film article is disclosed. The multilayer film article includes an infrared light reflecting multilayer film having alternating polymeric layers of a first polymer type and a second polymer type and the alternating polymeric layers cooperate to reflect infrared light; an infrared light absorbing nanoparticle layer including a plurality of metal oxide nanoparticles dispersed in a cured polymeric binder, the infrared light absorbing nanoparticle layer being adjacent the infrared light reflecting multilayer film, and a tear resistant polymeric film disposed adjacent to the infrared light reflecting multilayer film.
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: March 15, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Raghunath Padiyath, Stephen J. Strauss, Christopher A. Haak, Douglas A. Huntley
  • Patent number: 7763337
    Abstract: A protective floor film adhesive composition includes an acrylic pressure sensitive adhesive having an inherent viscosity in a range of 0.3 dl/g or greater, a cross-linker, and a plasticizer compatible with the acrylic pressure sensitive adhesive. The adhesive composition has a glass transition temperature of ?10 degrees Celsius or less, and the adhesive composition has an initial 180 degree peel adhesion test value of 5 oz/in or greater and builds to a final 180 degree peel adhesion test value of 40 oz/in or less, and a haze test value of 10% or less. Protective floor film articles and methods of protecting flooring are also described.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: July 27, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Adriana Paiva, Albert I. Everaerts, Jeffrey D. Malmer, Mark F. Ellis, Duane D. Fansler, Kelly J. Gibbens
  • Patent number: 7727633
    Abstract: A solar control glazing laminate may include a solar control film disposed between first and second polyvinyl butyral layers and first and second glazing substrates. The solar control film may include an infrared radiation reflecting polymeric film and a polymeric binder layer disposed on the infrared radiation reflecting polymeric film. The polymeric binder layer may include a polyester and cross-linked multi-functional acrylate segments and may have infrared radiation absorbing nanoparticles dispersed therein.
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: June 1, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Janet R. Kirkman, Peter M. Olofson, Jie Yang, Stephen A. Johnson, Raghunath Padiyath
  • Patent number: 7709092
    Abstract: A multilayer film article is disclosed. The multilayer film article includes an infrared light reflecting multilayer film having alternating layers of a first polymer type and a second polymer type, a hardcoat layer that is the reaction product of a hardcoat composition that includes at least one organic polyethylenically unsaturated compound, at least one fluoroalkyl pendent siloxane compound, infrared light absorbing nanoparticles, and a polymerization initiator. The hardcoat layer being disposed adjacent the multilayer film.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: May 4, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Zai-Ming Qiu, Raghunath Padiyath
  • Patent number: 7671153
    Abstract: The invention relates to method of protecting a flooring surface and flooring materials by providing a hardcoat surface layer comprising a perfluororpolyether. The invention also relates to certain hardcoat compositions.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: March 2, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Adriana Paiva, Cheryl L. Elsbernd, Susan K. Yarmey, George G. I. Moore
  • Patent number: 7658980
    Abstract: A tamper-indicating printable sheet. A preferred embodiment of the invention provides a tamper-indicating printable sheet comprising a retroreflective layer comprising a plurality of microbeads partially embedded in an inkjet receptive beadbond layer; and a reflector layer between one of the microbeads and the inkjet receptive beadbond layer. The present invention provides a method of making a tamper-indicating printable sheet.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: February 9, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Richard J. Kuo, Mathias Detjen, Brian W. Dunne, Paul E. Marecki, Tadesse G. Nigatu, Kenneth M. White
  • Patent number: 7652736
    Abstract: An infrared light reflecting article is disclosed and includes a visible light transparent substrate including a polymer and an infrared light reflecting cholesteric liquid crystal layer disposed on the substrate. The substrate and infrared light reflecting cholesteric liquid crystal layer have a combined haze value of less than 3%.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: January 26, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Raghunath Padiyath, Marc D. Radcliffe, Cristina U. Thomas, Charles A. Marttila, Manish Jain, Michael F. Weber, Feng Bai
  • Patent number: 7648744
    Abstract: A tamper-indicating printable sheet. A preferred embodiment of the invention provides a tamper-indicating printable sheet comprising a retroreflective layer comprising a plurality of microbeads partially embedded in an inkjet receptive beadbond layer; and a reflector layer between one of the microbeads and the inkjet receptive beadbond layer. The present invention provides a method of making a tamper-indicating printable sheet.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: January 19, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Richard J. Kuo, Mathias Detjen
  • Patent number: 7632568
    Abstract: A multilayer film article is disclosed. The multilayer film article includes an infrared light reflecting multilayer film having alternating layers of a first polymer type and a second polymer type, an infrared light absorbing nanoparticle layer including a plurality of metal oxide nanoparticles dispersed in a cured polymeric binder and having a thickness in a range from 1 to 20 micrometers. The nanoparticle layer being disposed adjacent the multilayer film. The metal oxide nanoparticles include tin oxide or doped tin oxide.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: December 15, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Raghunath Padiyath, Charles A. Marttila, Cristina U. Thomas, Michael F. Weber
  • Patent number: 7578023
    Abstract: The present invention features a fabric useful for applying a chemical composition, such as a finishing or polishing composition, onto a substrate surface. Typically the fabric contains between about 1% and 50% stiff fibers and between about 50% and 99% adsorbent or absorbent fibers, more typically between about 2% and 10% stiff fibers and between about 90% and 98% adsorbent or absorbent fibers. The fabric can be used to make applicator pads useful, for example, as mop heads for spreading a finishing or polishing composition on a floor surface.
    Type: Grant
    Filed: September 20, 2004
    Date of Patent: August 25, 2009
    Assignee: 3M Innovative Properties Company
    Inventor: Gary L. Olson
  • Patent number: 7560398
    Abstract: A cleaning wipe including a fiber web and a tacky material. The fiber web defines opposing surfaces and an intermediate region between the opposing surfaces. In this regard, at least one of the opposing surfaces serves as a working surface for the cleaning wipe. The tacky material is applied to the web such that a level of tacky material is greater in the intermediate region than at the working surface. In one embodiment, the amount of tacky material per area of web material is greater in the intermediate region than at either of the opposing surfaces. In another embodiment, the fiber web is a nonwoven fiber web.
    Type: Grant
    Filed: July 18, 2003
    Date of Patent: July 14, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Daniel J. Zillig, Gary L. Olson, Thomas E. Haskett
  • Patent number: D630726
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: January 11, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Nathan A. Abel, James R. Betz, Sean M. Burke, Michael J. Lynch, Matthew D. Reier, Andrew S. Viner