Patents Assigned to 3M
  • Adhesive articles comprising polylactic acid polymer film and method of making
    Patent number: 11286405
    Abstract: A method of making an adhesive article is described comprising melt extruding a core film layer comprising a composition comprising at least 50% of a polylactic acid polymer. The method further comprises melt extruding an adhesive layer on a major surface of the core film layer such that regions of interdiffusion are present between the core film layer and adhesive layer. The adhesive layer may comprise C1-C10 (meth)acrylic acid or ester thereof, vinyl acetate, ethylene vinyl acetate, hydrolysed polyvinyl alcohol and combinations thereof. The adhesive layer may also be a pressure sensitive adhesive. The method further comprises melt extruding a release film layer on an opposing major surface of the core film layer. The layers are sequentially extruded or co-extruded and can be uniaxially or biaxially oriented.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: March 29, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: William W. Merrill, Jeffrey P. Kalish, Jacob D. Young, Ramesh C. Kumar, Sonja S. Mackey, Kanta Kumar, Ignatius A. Kadoma, Michael D. Crandall, Adam R. Wohl
  • Pressure-sensitive adhesive compositions for manufacturing electronic devices
    Patent number: 11286407
    Abstract: The present disclosure relates to an electronic device comprising at least one organic light-emitting diode and a pressure sensitive adhesive composition comprising a synthetic rubber block (co)polymer, and wherein the pressure sensitive adhesive composition has: a) a relative permittivity no greater than 2.50, when measured at an alternating current frequency of 100 kHz according to the test method described in the experimental section; b) a water uptake no greater than 0.60 wt %, when measured after exposure to 60° C. and 95% relative humidity for 120 hours, according to the test method described in the experimental section; and c) optionally, a peel adhesion value above 0.20 N/mm, when measured at 85° C. according to the test method described in the experimental section.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: March 29, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: John W. McAllister, Jingjing Ma, Zhong Chen, Pierre R. Bieber, Petra M. Stegmaier, Eike H. Klünker
  • Voltage indication device
    Patent number: 11280815
    Abstract: Voltage indication device (2), attachable to a medium-voltage separable plug having a rear insert comprising a coupling electrode. The voltage indication device comprises a body (241) and a voltage detector (251) having a ground contact (361), a voltage contact (261) for electrical connection to the coupling electrode; and an indicator for visually indicating presence of the medium voltage in the separable plug. The body comprises an elastically expandable support portion (406) for resiliently supporting the voltage detector (251).
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: March 22, 2022
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Gunther A. J. Stollwerck, Harald Westkamp, Mark Gravermann, Jens Weichold
  • Automated code feedback system
    Patent number: 11282596
    Abstract: A computer system automatically generates and provides real-time feedback to a healthcare provider about a selected Evaluation and Management (E/M) level to assign to a patient encounter. The system provides the feedback while the healthcare provider is creating the clinical note that documents the patient encounter. The system may also automatically generate and suggest E/M levels to the healthcare provider for approval by the healthcare provider while the healthcare provider is creating the clinical note.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: March 22, 2022
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Derek L. Nichols
  • Curable composition
    Patent number: 11279795
    Abstract: Provided are curable compositions including a base part comprising an amine-reactive curable resin and a curative part comprising a polymeric toughener dissolved in an amine. The polymeric toughener, optionally a rubbery polymer or thermoplastic polymer, is solid at ambient conditions with a weight average molecular weight of at least 5,000 g/mol while the amine is a liquid at ambient conditions. The curable composition is cured by mixing the base and curative parts with each other. Hardened compositions obtained thereof can achieve increased toughener loading, resulting in high peel and shear strength performance over a wide range of temperatures, including at temperatures exceeding 180° F. (82° C.).
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: March 22, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Lianzhou Chen, Michael S. Newman
  • Electrical connector assembly
    Patent number: 11283218
    Abstract: An electrical connector assembly includes a housing having an upper housing half removably assembled to a lower housing half via a plurality of fasteners. A circuit board is at least partially disposed in a housing cavity formed by the upper and lower housing halves. The circuit board includes a plurality of conductive front and rear pads electrically connected to each other. Flat cables terminate at the conductive rear pads disposed on upper and lower major surfaces of the circuit board. A plurality of alternating ridges and channels is disposed on a top side of the upper housing half, extending along a length of the housing. Bottom surfaces of the channels along a length of the channels are at a same height or higher than uppermost surfaces of the fasteners in the plurality of fasteners. The channels are configured to transfer heat generated by the connector assembly.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: March 22, 2022
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: YunLong Qiao, Saujit Bandhu, Kok Hoe Lee
  • Ligand functional substrates
    Patent number: 11279731
    Abstract: A substrate comprising a crosslinked polymer primer layer, and grafted thereto a ligand-functionalized polymer is provided. The grafted polymer has the requisite affinity for binding neutral or negatively charged biomaterials, such as cells, cell debris, bacteria, spores, viruses, nucleic acids, and proteins, at pH's near or below the pI's of the biomaterials.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: March 22, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Jerald K. Rasmussen, Catherine A. Bothof, Kannan Seshadri, James I. Hembre, Robert T. Fitzsimons, Jr., George W. Griesgraber, Yi He
  • Hydrogel compositions bonded to polymeric substrates
    Patent number: 11278639
    Abstract: Described herein is a hydrogel-containing multilayer article and methods of making, said hydrogel-containing multilayer article comprising: (i) a polymeric substrate comprising an abstractable atom; and (ii) a cured aqueous coating composition thereon wherein the coating composition comprises: (a) a hydrophilic monomer comprising a (meth)acrylamide, (meth)acrylate, and combinations thereof: (b) at least 2 wt % of a water-swellable clay; (c) a water-soluble type I photoinitiator; and (d) an acid or salt wherein a water insoluble type II photoinitiator is localized at the interface between the hydrogel coating and the polymeric substrate.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: March 22, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Alexi J. Young, Jerald K. Rasmussen
  • Powder deagglomerator and method of deagglomerating a powder
    Patent number: 11278956
    Abstract: A powder deagglomerator includes a vertical flow chamber, a powder inlet tube, and an ultrasonic horn vibrationally coupled to an ultrasonic transducer. The vertical flow chamber includes an outer wall, powder outlet port, and a mounting port sealably engaging an ultrasonic horn. The powder inlet tube extends through the outer wall and is aligned to dispense agglomerated powder in a gaseous stream downward onto a distal end of the ultrasonic horn. A method of using the powder deagglomerator to deagglomerate a powder is also disclosed.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: March 22, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Karl K. Stensvad, James N. Dobbs, Eric A. Vandre, Chrispian E. Shelton, Satinder K. Nayar, Saurabh Batra, Samad Javid
  • Electronic devices comprising a via and methods of forming such electronic devices
    Patent number: 11284521
    Abstract: A composite article includes a conductive layer with nanowires on at least a portion of a flexible substrate, wherein the conductive layer has a conductive surface. A patterned layer of a low surface energy material is on a first region of the conductive surface. An overcoat layer free of conductive particulates is on a first portion of a second region of the conductive surface unoccupied by the patterned layer. A via is in a second portion of the second region of the conductive surface between an edge of the patterned layer of the low surface energy material and the overcoat layer. A conductive material is in the via to provide an electrical connection to the conductive surface.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: March 22, 2022
    Assignee: 3M INNOVATIVE PROPERTIES, COMPANY
    Inventors: Matthew S. Stay, Shawn C. Dodds, Ann M. Gilman, Mikhail L. Pekurovsky, Daniel J. Theis, Matthew R. D. Smith
  • Multilayer reflective polarizer
    Patent number: 11280947
    Abstract: Multilayer reflective polarizers are described. More particularly, multilayer reflective polarizers having a higher block light transmission at longer wavelengths than shorter wavelengths while having a high pass light transmission are described. The described multilayer reflective polarizers may be combined with absorbing polarizers or used in display devices.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: March 22, 2022
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Matthew B. Johnson, Adam D. Haag, Martin E. Denker, Takashi Fujita
  • Smart locking systems and methods
    Patent number: 11282313
    Abstract: Smart locking devices, systems and methods are provided. A user mobile device can transmit a wireless signal to an electronic locking device. The electronic locking device includes a power sensor to sense the harvested power, and a controller to process the communication component to determine an algorithm to operate the electronic locking device. The mobile device is connected to a network environment where user authentication and encryption data can be generated, stored, and relayed to multiple user mobile devices for wireless key management for authentication.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: March 22, 2022
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Ronald J. Jesme, Cory M. Arthur, Kandyce M. Bohannon, Eric J. Larson
  • Optical lens and eyewear including same
    Patent number: 11281026
    Abstract: An optical lens including first and second polarizers, a partial reflector disposed between the first and second polarizers, a first phase retarder disposed between the first polarizer and the partial reflector, and a second phase retarder disposed between the partial reflector and the second polarizer is described. The optical lens is a single piece configured for use in an eyewear. Eyewear including at least one of the optical lenses is also described.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: March 22, 2022
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Zhisheng Yun, Andrew J. Ouderkirk, Susan L. Kent, Erin A. McDowell, Timothy L. Wong, John D. Le, Michael L. Steiner
  • Personal protection article system
    Patent number: 11278064
    Abstract: The present disclosure is particularly adapted for determining whether the condition of personal protection equipment PPE articles satisfies at least one criterion. A method and system provide at least one predetermined criterion that governs use of the PPE article in a working environment; a PPE article is configured with a smart tag, and a sensing device is provided that is configured to sense data in a working environment related to the predetermined criterion. Acquired data from the sensing device and the smart tag are processed in a data processing system to determine whether the condition of the PPE article satisfies the at least one predetermined criterion.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: March 22, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Thomas I. Insley, Lawrence J. Ptasienski, Neal A. Rakow, Cristina U. Thomas
  • Classifying medical records for identification of clinical concepts
    Patent number: 11282611
    Abstract: This disclosure includes a method of classifying a plurality of subjects associated with medical documents. The method includes receiving, with a computer system, an indication of at least one clinical concept, parsing, with the computer system, the medical documents for corresponding indications of the clinical concept, identifying, with the computer system, subjects in the plurality of subjects as meeting the clinical criterion based on prioritization of sections within the medical documents and locations of the corresponding indications of the clinical concept within the medical documents, and outputting, with the computer system, indications of the subjects in the plurality of subjects identified as meeting the clinical criterion.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: March 22, 2022
    Assignee: 3M Innovative Properties Company
    Inventor: Norman S Ober, Jr.
  • Method of controlling a powered air purifying respirator
    Patent number: 11278749
    Abstract: There is provided a method of controlling a powered air purifying respirator blower system to deliver a substantially uniform volumetric airflow to a user, the system comprising a fan powered by a battery in communication with a variable speed electric motor, the variable speed electric motor is controlled by an electronic control unit for delivering a forced flow of air through at least one filter to a user, comprising the steps of: (a) determining an estimated system run time by summing a battery run time remaining and a system run time; and (b) altering a speed of the variable speed electric motor when the estimated system run time is equal to or less than a desired system run time.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: March 22, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Keith K. Mclaughlin, Douglas D. Jensen, Sean R. Kilmer, Andrew Murphy
  • Compression device
    Patent number: 11278453
    Abstract: A compression system for applying compression to a body part of a user. The compression system has a sleeve for substantially covering a portion of the body part of a user. The sleeve has two lateral side edges. In the transverse direction from the first lateral side edge to the second lateral side edge the sleeve has a first lateral side region, a central region and a second lateral side region. At least the central region of the sleeve has a material with elasticity in the transverse direction and longitudinal direction of the sleeve. The compression system has a releasable closure system. Upon closure of the closure system the sleeve is restrained and tightened about the body part of the user.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: March 22, 2022
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Guido Hitschmann
  • Air filters comprising polymeric sorbents for aldehydes
    Patent number: 11278832
    Abstract: An air filter including a filter support that supports polymeric sorbent particles. The polymeric sorbent particles are the reaction product of a hydrolyzed divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound, with the nitrogen-containing compound being ionically attached to the hydrolyzed divinylbenzene/maleic anhydride.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: March 22, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Himanshu Jasuja, Michael W. Kobe, Michael S. Wendland
  • Methods of passivating adhesives
    Patent number: 11279859
    Abstract: Methods of passivating an adhesive via printing an ink onto a release liner, and adhesive articles or products made by the same are provided. An ink pattern is printed onto a release liner to form a pattern of features. The features are at least partially embedded in an adhesive layer such that when the release liner is peeled from the adhesive layer, the passivation features remain with the layer of adhesive to form selected areas having adjusted adhesive functionality. Articles including the passivated adhesive on a release liner are also disclosed.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: March 22, 2022
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Matthew R. D. Smith, Matthew S. Stay, Mikhail L. Pekurovsky, Daniel J. Theis, Thomas J. Metzler, Shawn C. Dodds
  • Floor pad
    Patent number: D946845
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: March 22, 2022
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Adrian H. Cook, Sarah L. Hagen, Astghik Poladyan, David C. Raithel, Craig R. Sykora