Patents Assigned to 3M
  • Bandage composition dispenser
    Patent number: 11793678
    Abstract: Provided is a bandage composition dispenser and/or applicator that includes a nozzle and a cap. In some embodiments, the dispenser and/or applicator is used to dispense a bandage or dressing composition that forms a durable film bandage or skin protectant.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: October 24, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Delony L. Langer-Anderson, Eric M. Chinnock, Junia M. Pereira, Jason S. Lind
  • Over-laminate film and graphic laminate
    Patent number: 11787217
    Abstract: An over-laminate film applied to a decorative surface is described. In particular the over-laminate film includes: a transparent resin base film having a first surface and a second surface opposite to the first surface; a low gloss layer disposed on the first surface of the transparent resin base film; and a transparent adhesive layer disposed on the second surface of the transparent resin base film, the low gloss layer including a binder containing a resin, resin beads having an average particle size of 4 ?m or greater and 20 ?m or less, and nanosilica particles, the low gloss layer having surface glossiness of 5 GU or less at 60 degrees.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: October 17, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Koji Saito, Naota Sugiyama, Shinsuke Kondo
  • Optical system
    Patent number: 11787137
    Abstract: An optical system includes a partial reflector having an average optical reflectance of at least 30% in a desired plurality of wavelengths, a display panel disposed to emit image light toward the partial reflector, and a multilayer reflective polarizer disposed proximate the partial reflector. The multilayer reflective polarizer is curved about two orthogonal axes and includes at least one layer substantially optically uniaxial at at least one location. The image light is transmitted by the multilayer reflective polarizer after it is first reflected by the multilayer reflective polarizer. A quarter wave retarder may be disposed between the reflective polarizer and the partial reflector.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: October 17, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Andrew J. Ouderkirk, Timothy L. Wong, Zhisheng Yun, Erin A. McDowell, Gregg A. Ambur
  • Compositions and films comprising polylactic acid polymer, polyvinyl acetate polymer and plasticizer
    Patent number: 11787929
    Abstract: A composition is described comprising semicrystalline polylactic acid polymer; polyvinyl acetate polymer having a glass transition temperature (Tg) of at least 25° C.; plasticizer; and optionally amorphous polylactic acid polymer. In another embodiment the composition further comprises nucleating agent. Also described are films comprising the composition as well as articles, such as a tape or sheet, comprising the film described herein and a layer of pressure sensitive adhesive disposed on the film.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: October 17, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Ning Zhou, Robert S. Clough, Derek J. Dehn, Jeffrey P. Kalish, William W. Merrill, Kevin M. Lewandowski, Jayant Chakravarty
  • Flexible hardcoat
    Patent number: 11787970
    Abstract: A hardcoat composition includes one or more multifunctional (meth)acrylate monomers, and a nanoparticle mixture dispersed within the one or more multifunctional (meth)acrylate monomers. The nanoparticle mixture includes a first population of reactive nanoparticles. The first population of reactive nanoparticles have an average particle diameter in a range from 5 nm to 60 nm, and a second population of non-reactive nanoparticles. The second population of non-reactive nanoparticles have an average particle diameter in a range from 5 nm to 60 nm.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: October 17, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Peter D. Condo, D. Scott Thompson, John J. Stradinger, Catherine A. Leatherdale, Richard J. Pokorny, Steven D. Solomonson
  • Method of making a physical object
    Patent number: 11786345
    Abstract: A method of making a physical object by additive manufacturing. The method has the steps of providing a light hardenable primary material (11), building up the object (100) by successively hardening portions of the light hardenable primary material (11) by irradiating the portions with light, coating at least a part of the object (100) with a light permeable coating or oxygen protective material; and irradiating the coated object (100) with light and thereby post-hardening any light hardenable material (11).
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: October 17, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Bastian P. Kirchner, Gioacchino Raia, Anja Friedrich, Daniel D. Oberpertinger, Malte Korten, Andreas G. Herrmann
  • Push-in earplug and method of making the same using a mandrel
    Patent number: 11786408
    Abstract: A push-in earplug is provided. The push-in earplug comprises an elongate core comprising a core material. The push-in earplug also comprises an outer layer comprising a foam material, the outer layer covering at least a portion of an outer surface of the elongate core. The push-in earplug also comprises a channel extending through the elongate core from a first end of the elongate core to the second end of the elongate core.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: October 17, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Jacob H. Ely, Robert C. Coffin, James D. Brown
  • Protective headgear with adjustable air supply
    Patent number: 11779075
    Abstract: Protective headgear including central, left lateral, and right lateral trunks, and which may include at least one external, remote handle for directing air flow.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: October 10, 2023
    Assignee: 3M Innovative Properties Company
    Inventor: Jonas N. A. Frejd
  • Fall-protection apparatus with braking device comprising flexure-borne pawl and drum-mounted buttress
    Patent number: 11779784
    Abstract: A fall-protection apparatus comprising a rotationally-activated braking device that comprises at least one flexure-borne pawl and at least one buttress that is on a sidewall of a rotatable drum of the braking device.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: October 10, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Greg E. Shrank, Daniel C. Lewis
  • Copolymers containing pendant ionomeric carbosilane groups
    Patent number: 11780938
    Abstract: Cationic polymers are provided that comprise monomeric units of Formula (V). (V) Each asterisk (*) indicates an attachment position to another monomeric unit; R is hydrogen or methyl; each R2 is each independently an alkyl, aryl, or a combination thereof; L is a linking group comprising an alkylene group; and +R3 is a cationic nitrogen-containing group free of any N—H bonds. Membranes formed from said cationic polymers, devices including such membranes, and methods of making such cationic polymers are also provided.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: October 10, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Claire Hartmann-Thompson, Mark J. Pellerite, Carl A. Laskowski, John Christopher Thomas, Marina M. Kaplun
  • Mobile radio
    Patent number: 11785428
    Abstract: A system, mobile radio, remote speaker microphone and wearable mask are provided. In one or more embodiments, a mobile radio is provided. A mobile radio is provided and includes communication interface configured to: receive at least one of first wireless audio signals from a wearable mask and second wireless audio signals from another mobile radio; and processing circuitry in operative communication with the communication interface, the processing circuitry configured to, if first wireless audio and second wireless audio signals are received by the communication interface, sum the first and second wireless audio signals for transmission to a remote speaker microphone if a first criterion is met.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: October 10, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Darin Kyle Thompson, Vincent Scott Garmon
  • Electronic telecommunications articles comprising crosslinked fluoropolymers and methods
    Patent number: 11781004
    Abstract: Electronic telecommunication articles are described comprising a crosslinked fluoropolymer layer. In typical embodiments, the crosslinked fluoropolymer layer is a substrate, patterned (e.g. photoresist) layer, insulating layer, passivation layer, cladding, protective layer, or a combination thereof. Also describes are methods of making an electronic telecommunications article and method of forming a patterned fluoropolymer layer. The fluoropolymer preferably comprises at least 80, 85, or 90% by weight of polymerized units of perfluorinated monomers and cure sites selected from nitrile, iodine, bromine, and chlorine. Illustrative electronic communication articles include integrated circuits, printed circuit boards, antennas, and optical fiber cables. Fluoropolymer compositions are also described.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: October 10, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Naiyong Jing, Cheng Gu, Klaus Hintzer, Tho Q. Nguyen, Peter J. Scott, Cheng Li, Zai-Ming Qiu, Yong Wu
  • Determining responder closest to downed responder
    Patent number: 11783694
    Abstract: A monitoring unit for wireless communication with a plurality of self-contained breathing apparatus (SCBA) units configured to form a network is provided. The monitoring unit includes a communication interface and processing circuitry. The processing circuitry is configured to receive, via the communication interface, a plurality of updates from each of the SCBA units where each update includes information indicating at least one communication link quality to at least one other SCBA unit. The processing circuitry is further configured to determine at least one distance from each SCBA unit to at least one other SCBA unit that is one hop away in the network based at least in part on the communication link quality. The processing circuitry is further configured to cause the determined at least one distance to be displayed.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: October 10, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Matthew Shannon, Craig M. Parkulo, Wesley M. Barbee, Ronnie G. Durham, Dean L. Gervasi
  • Backlighting for display systems
    Patent number: 11782310
    Abstract: A display system includes a light source configured to emit light from a light exit surface, the emitted light having an emitted wavelength. An optical filter is disposed on the light exit surface of the light source. One or more light converting films are disposed between the optical filter and the light exit surface of the light source. The one or more light converting films are configured to receive the emitted light from the light source and convert at least portions of the received emitted light to blue, green, and red lights having respective blue, green and red wavelengths. For a substantially normally incident light and for at least an in-plane first polarization state, the optical filter reflects more than about 80% of the incident light having the emitted wavelength, and transmits greater than about 60% of the incident light for each of the blue, green and red wavelengths.
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: October 10, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yu Hsin Lu, Gary T. Boyd, Matthew B. Johnson, Ryan T. Fabick, Carl A. Stover, Adam D. Haag
  • Oral compositions and methods of use
    Patent number: 11779446
    Abstract: Compositions that include: from 5 wt-% to 30 wt-% of one or more plant based oils based on the total weight of the composition; from 70 wt-% to 95 wt-% of an aqueous phase based on the total weight of the composition; from 0.1 wt-% to 5 wt-% of one or more surfactants based on the total weight of the composition; and from 0.05 wt-% to 3 wt-% of a viscosity modifier, wherein the composition has a pH from 4.5 to 9.5, the composition is an oil in water (o/w) emulsion, and the composition is edible. Methods of utilizing disclosed compositions are also included.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: October 10, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Katie F. Wlaschin, Amanda C. Engler, Hannah C. Cohen, Yizhong Wang, Tao Gong, Tiffany T. Ton, Joel D. Oxman, Jie Yang, Richard P. Rusin
  • Fall-protection apparatus comprising braking device with velocity-actuated, acceleration-modulated pawl(s)
    Patent number: 11779783
    Abstract: A fall-protection apparatus with a drum and a rotationally-activated braking device including at least one velocity-actuated pawl that is mounted on a pawl-support plate that is rotatable relative to the drum through a predetermined range between a first position and a second position. The pawl-support plate is rotatable relative to the drum from the first position to the second position upon the pawl-support plate experiencing a rotational acceleration that is above a predetermined threshold value of rotational acceleration. When the pawl-support plate is in the second position, the velocity-actuated pawl can be actuated by a rotational velocity that is lower than a rotational velocity required to actuate the pawl when the pawl-support plate is in the first position.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: October 10, 2023
    Assignee: 3M Innovative Properties Company
    Inventor: Greg E. Schrank
  • Assembly and holder
    Patent number: 11780256
    Abstract: An assembly (1) includes a laminate (2) in which tags (21) are laminated, and a support part (3) that supports the laminate (2). The support (part 3) includes a bottom surface part (31) and a folding back part (32) folded back from the bottom surface part (31). A reverse surface (2b) of the laminate (2) protrudes from the folding back part (32), and a part of the reverse surface (2b) is adhered to the folding back part (32) to be supported by the support part (3). A laminate adhesive part (7) to which a part of the reverse surface (2b) and the support part (3) are adhered is disposed in an overlapping region AR1 of the reverse surface (2b) and the folding back part (32) so as to be separated from at least a part of a peripheral edge E of the overlapping region AR1.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: October 10, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Kyoko Yumiza
  • Cured epoxy resin composition suitable for electronic device enclosure, articles, and methods
    Patent number: 11773254
    Abstract: An electronic device is described comprising an enclosure, wherein the enclosure comprises a cured epoxy resin composition comprising at least 50 volume % of electrically non-conductive thermally conductive inorganic particles, wherein the inorganic particles are selected from alumina, boron nitride, silicon carbide, alumina trihydrate and mixtures thereof. The enclosure may be a housing of a phone, laptop, or mouse. Alternatively, the enclosure may be a case for an electronic device. Also described are epoxy resin compositions and a method of making an enclosure for an electronic device.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: October 3, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Brett A. Beiermann, John C. Clark, Eric G. Larson, Jeremy M. Higgins, Audrey S. Forticaux, Jay R. Lomeda, Wayne S. Mahoney, Scott B. Charles, Timothy D. Fletcher, Wendy L. Thompson, Kyle R. Schwartz
  • Methods of bonding substrates together
    Patent number: 11773295
    Abstract: Methods of bonding together substrates that do not require use of primers, mixing, fixturing, or autoclaving. These methods can include the steps of disposing an adhesive layer on a bonding surface of either substrate, the adhesive layer comprising a curable composition that is dimensionally stable at ambient conditions; either before or after disposing the adhesive layer on the bonding surface, irradiating the adhesive layer with ultraviolet radiation to initiate curing of the curable composition; placing one substrate so as to be bonded to the other substrate by the adhesive layer; and allowing the adhesive layer to cure.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: October 3, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Cyrus A. Anderson, Thomas Q. Chastek, Xiao Gao, Kathleen S. Shafer, Sheng Ye
  • Pair of in-ear electronic hearing protectors
    Patent number: D1002114
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: October 17, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Mark A. Yoder, Paul D. Henry, Michael C. Leighton