Patents Assigned to 3M
  • Patent number: 11111326
    Abstract: Described herein is a peroxide curable, highly fluorinated elastomer derived from tetrafluoroethylene, a perfluoro ether monomer, and a compound selected from at least one of a highly fluorinated bisolefin ether and an iodine-containing perfluorinated ether.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: September 7, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Klaus Hintzer, Florian D. Jochum, Harald Kaspar, Kai H. Lochhaas, Tilman C. Zipplies
  • Patent number: 11111320
    Abstract: Novel stress-reducing crosslinking oligomers that have application in dental restoratives, thin films, hardcoats, composites, adhesives, and other uses subject to stress reduction are described. The addition-fragmentation process of crosslinking results in a chain-transfer event that provides novel polymers that may be further functionalized. In addition, the addition-fragmentation oligomer comprises pendent functional groups that bond to a substrate by forming an ionic or covalent bond, or etch the substrate by chemically removing some material from the substrate.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: September 7, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: William H. Moser, Ann R. Fornof, Guy D. Joly, Serkan Yurt, Larry R. Krepski, Ahmed S. Abuelyaman, Afshin Falsafi, Bradley D. Craig, Joel D. Oxman, Babu N. Gaddam
  • Patent number: 11111395
    Abstract: Surface structured articles comprising a polymer matrix and a dispersed phase, the article having first and second opposed major surfaces, at least a portion of the first major surface is a microstructured, anisotropic surface comprises features having at least one dimension in a range from 1 micrometer to 500 micrometers, wherein the dispersed phase comprises an antimicrobial material, and wherein at least a portion of the dispersed phase is present on the microstructured, anisotropic surface. Surface structured articles are useful, for example, for marine applications (e.g., surfaces in contact with water (e.g., fresh water, ocean water)) such as boats, ships, piers, oil rigs, decks, and roofing materials.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: September 7, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Timothy J. Hebrink, Rachael A. T. Gould, Moses M. David, Rebecca L. A. Everman, Simon K. Shannon, Ta-Hua Yu
  • Patent number: 11110695
    Abstract: A marking tape for application on pavement which comprises a core layer and an adhesive layer outside the core layer. The core layer is formed of a combination of a conforming layer of a thermoplastic material, a marking layer of a cross-linked material, and a fibrous layer. The conforming layer and the marking layer are contiguous and/or directly interconnected with each other.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: September 7, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jean Le Normand, Volker Boehme, Michael R. Jost, Dirk Kolowrot, Sabine Henning
  • Patent number: 11112544
    Abstract: Described herein is a construction comprising a microsphere layer comprising a plurality of microspheres, wherein the microspheres comprise glass, ceramic, and combinations thereof; a bead bonding layer, wherein the plurality of microspheres is partially embedded in the bead bonding layer forming a first surface comprising exposed microspheres, wherein the plurality of microspheres on the first surface are truncated. Also disclosed herein are articles comprising the construction and methods of making thereof.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: September 7, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: John C. Clark, John J. Gagliardi, Kevin W. Gotrik, Alexander J. Kugel, Jean A. Tangeman, Christopher B. Walker, Jr.
  • Patent number: 11112393
    Abstract: A peracetic acid decontamination chemical indicator including a substrate and an indicator composition disposed thereon, where the indicator composition comprises a colorant that changes color when exposed to a peracetic acid solution but does not change color when exposed to a hydrogen peroxide solution, an acidified hydrogen peroxide solution, or an acetic acid solution, and where the indicator composition does not include a transition metal salt or a halogen source, and methods of using the chemical indicator.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: September 7, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Wensheng Xia, Naiyong Jing, Matthew J. Bongers
  • Patent number: 11114599
    Abstract: Electronic devices including a layer of polymeric material and solid semiconductor dies partially embedded in the layer are provided. The dies have first ends projecting away from the first major surface of the layer. The electronic devices can be formed by sinking the first ends of the dies into a major surface of a liner. A flowable polymeric material is filled into the space between the dies and solidified to form the layer of polymeric material. The first ends of the dies are exposed by delaminating the liner from the first ends of the dies. Electrical conductors are provided on the layer to connect the first ends of the dies.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: September 7, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Ankit Mahajan, Mikhail L. Pekurovsky, Matthew S. Stay, Shawn C. Dodds, Thomas J. Metzler, Matthew R. D. Smith, Saagar A. Shah, Jae Yong Lee, James F. Poch, Roger W. Barton
  • Patent number: 11111392
    Abstract: An optical device having a first optical member, a second optical member, and an antistatic layer disposed between the first optical member and the second optical member wherein the antistatic layer contains the reaction product of a mixture comprising at least one polymerizable onium salt having an anion and at least one non-onium polymerizable monomer, oligomer, or polymer.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: September 7, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Thomas P. Klun, Brandt K. Carter, Michael K. Gerlach, Mahfuza B. Ali, Mark J. Pellerite, Thomas M. Snyder, William M. Lamanna
  • Patent number: 11112374
    Abstract: A method may include coupling a first electrical connector of an article to a second electrical connector of a measurement device. The article may include a tested material, the first electrical connector, and a plurality of electrical contacts electrically connected to the first electrical connector. The measurement device may include a power source and a user interface. The method also may include causing, by a controller, an electrical signal to be applied to a pair of drive electrical contacts from the plurality of electrical contacts. The method further may include receiving, by the controller, from an analog-to-digital converter, a measured voltage measured using a measurement electrical contact from the plurality of electrical contacts. The method also may include determining, by the controller, whether the tested material includes a crack or other defect based on the measured voltage.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: September 7, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Christopher R. Yungers, Subhalakshmi M. Falknor, David H. Redinger, Ronald D. Jesme, Eric M. Chinnock
  • Patent number: 11103328
    Abstract: A removable dental appliance configured to reposition one or more teeth of a patient includes an appliance body forming an active band configured to surround two or more teeth of the patient. The appliance body includes a facial portion configured to register with facial sides of the surrounded teeth, a lingual portion configured to register with lingual sides of the surrounded teeth. The facial portion of the appliance body and the lingual portion of the appliance body form receptacles. Each receptacle is configured to accept at least one of the surrounded teeth. The receptacles separate the facial portion from the lingual portion at least along an anterior portion of the appliance body. The active band is configured such that occlusal surfaces of the surrounded teeth of the patient are exposed when the removable dental appliance is worn by the patient with the surrounded teeth positioned within the active band.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: August 31, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Richard E. Raby, Oliver L. Puttler
  • Patent number: 11108174
    Abstract: To provide a stack-type wire mount wafer connector and a connector assembly that can reduce the number of components and the size, and can enhance operability of insertion and removal. A latch portion 25 that is integrally formed with a wafer 40 and extends along a second side surface 46a of the wafer 40, at least one protrusion 47b extending outward along a Z-axis direction of the wafer 40 from a first base portion 47 of the wafer, and at least one opening portion into which the protrusion 47b of another stack-type wire mount wafer connector 20 is to be inserted are included. When the protrusion 47b of another stack-type wire mount wafer connector 20 is inserted into the opening portion of the stack-type wire mount wafer connector 20, shifting between the stack-type wire mount wafer connector 20 and another stack-type wire mount wafer connector 20 in a fitting direction (X-axis direction) of a fitting connector is prevented.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: August 31, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Tatsuya Hayashi, Masahito Naito
  • Patent number: 11104758
    Abstract: The present disclosure provides an orthodontic article including the reaction product of the photopolymerizable composition. The photopolymerizable composition includes i) a monofunctional (meth)acrylate monomer whose cured homopolymer has a glass transition temperature of 90 degrees Celsius or greater; ii) a photoinitiator; and iii) a polymerization reaction product of components. The components include 1) an isocyanate; 2) a (meth)acrylate mono-ol; 3) a polycarbonate diol; and 4) a catalyst. Further, the present disclosure provides a method of making an orthodontic article. The method includes obtaining a photopolymerizable composition and selectively curing the photopolymerizable composition to form an orthodontic article.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: August 31, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Thomas P. Klun, Zeba Parkar, John M. Riedesel, Richard J. Pokorny, Chad M. Amb, Benjamin R. Coonce, Robert S. Clough, Tianyu Wu, Saswata Chakraborty, Yongshang Lu, Benjamin C. MacMurray, Ian Dailey, David B. Olson
  • Patent number: 11103117
    Abstract: In one example, a scouring article comprises: a backing layer having opposed first and second major surfaces; and a visually discernable functional material provided on at least one of the first and second major surfaces; wherein the functional material comprises a resin, and further wherein the functional material is configured to communicate information to a user of the scouring article regarding an intended end-use application of the scouring article. In another example, an abrasive article comprises: a pad having a scrubbing surface; and a plurality of shaped abrasive structures disposed on the scrubbing surface; wherein the plurality of shaped abrasive structures are arranged to provide an indication regarding a characteristic of the abrasive structures.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: August 31, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Matthew W. Gorrell, David C. Raithel, Lauren K. Carlson, James P. Gardner, Jr.
  • Patent number: 11105964
    Abstract: Retroreflective sheeting having a structured layer of cube corner elements and an at least one optically variable mark therein, and methods of making same.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: August 31, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Bruce D. Orensteen, Kathryn M. Spurgeon, Olester Benson, Jr., Joseph V. Crimando
  • Patent number: 11103822
    Abstract: An air filter including a filter support that supports porous, polymeric sorbent particles that comprise a divalent metal impregnated therein.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: August 31, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Michael S. Wendland, Derek M. Maanum, Michael W. Kobe, Austin D. Groth
  • Patent number: 11105762
    Abstract: A measurement system may include a set of drive electrical contacts including a force electrical contact and a return electrical contact electrically coupled to a tested material, a measurement electrical contact electrically coupled to the tested material, a return node, a voltage source, and a control module. A circuit path between the voltage source and the return node may include a fixed resistor and the tested material. The control module may be configured to cause the voltage source to apply a voltage signal to the force electrical contact, cause a voltage drop across the fixed resistor to be measured, cause a measured voltage to be measured using the measurement electrical contact, determine a measured equivalent impedance of the tested material associated with the measurement electrical contact based on the voltage drop across the fixed resistor and the measured voltage, and determine whether the tested material includes a crack or other defect based on the measured equivalent impedance.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: August 31, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Christopher R. Yungers, Subhalakshmi M. Falknor, David H. Redinger
  • Patent number: 11105018
    Abstract: A process and apparatus for producing a dimensionally stable melt blown nonwoven fibrous web. The process includes forming a multiplicity of melt blown fibers by passing a molten stream including molecules of at least one thermoplastic semi-crystalline (co)polymer through at least one orifice of a melt-blowing die, subjecting at least a portion of the melt blown fibers to a controlled in-flight heat treatment operation at a temperature below a melting temperature of the at least one thermoplastic semi-crystalline (co)polymer immediately upon exiting from the at least one orifice, and collecting at least some of the melt blown fibers subjected to the controlled in-flight heat treatment operation on a collector to form a non-woven fibrous structure. The nonwoven fibrous structure exhibits a Shrinkage less than a Shrinkage measured on an identically-prepared structure including only fibers not subjected to the controlled in-flight heat treatment operation, and generally less than 15%.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: August 31, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Daniel J. Zillig, Sachin Talwar, Randy L. Christiansen, Michael D. Romano, Eric M. Moore, Pamela A. Percha, Liming Song, Myles L. Brostrom, Michael D. Swan
  • Patent number: 11105089
    Abstract: There is provided a self-sealing article comprising a polymeric layer disposed on and covering a first major surface of an elastic porous layer, wherein the article passes Modified Test 1 of ASTM D-1970/D-1970M-13 or Modified Test 2 of ASTM D-1970/D-1970M-13, or Modified Test 3 of ASTM D-1970/D-1970M-13, and further wherein the self-sealing article is water vapor permeable and an air and water barrier. There is also provided a linered version of the self-sealing article in which a liner is disposed on a major surface of the polymeric layer opposite the first major surface of the elastic porous layer.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: August 31, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Martin J. Widenbrant, Taylor M. Seabaugh, Daniel R. Fronek, Rajan B. Bodkhe
  • Patent number: 11103425
    Abstract: The present disclosure provides an inorganic dental filler including a surface treated with at least one silane. Exemplary silanes described in the present disclosure for the surface treatment of the inorganic filler include silanes of Formula I and/or Formula II: (RSi)—(CR1R2)n—(NH—C(O)—O—CH2—CH2)q—N(R5)—C(O)—NH—(CH2—CH2—O)t—CR3R4—CH2-(A) Formula I (RSi)—(CR1R2)n—NH—C(O)—O—CR3R4-(L)q-CH2-(A) Formula II, wherein: RSi is a silane-containing group of the formula —Si(Yp)(R6)3-p, wherein Y is a hydrolysable group, R6 is a monovalent alkyl or aryl group, and p is 1, 2, or 3. Methods of making and using the surface treated inorganic dental fillers are also disclosed.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: August 31, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Bradley D. Craig, Paul J. Homnick, Ahmed S. Abuelyaman, Thomas P. Klun
  • Publication number: 20210259889
    Abstract: Trimmable conformable wound dressings, kits containing the same and methods of using the same. The wound dressings may protect a treatment site from microbial contamination or other disturbances while a wound heals or to enable the application and maintenance of vacuum over the treatment site. The wound dressings may include first and second sections of support layer material on opposite sides of one or more intermediate sections of support layer material. The first and second sections of support layer material meet the intermediate sections of support layer material along peel tab junctions that provide peel tabs.
    Type: Application
    Filed: May 10, 2021
    Publication date: August 26, 2021
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: DAVID R. HOLM, RICHARD L. JACOBSON, JAMES M. SIERACKI, PHONG V. HA, STEVEN B. HEINECKE