Abstract: One or more embodiments of a respirator that includes a polymeric netting is disclosed. The respirator can include a mask body including a perimeter, a harness attached to the mask body, and a face seal disposed adjacent at least a portion of the perimeter of the mask body. In one or more embodiments, the face seal includes a polymeric netting including polymeric ribbons and polymeric strands, where each of the polymeric ribbons and strands having a length, width, and height, where the length is the longest dimension, the width is the shortest dimension, and the height is the dimension transverse to the length and the width. The polymeric ribbons have a height-to-width aspect ratio of at least 5 to 1, a major surface that is intermittently bonded to only one polymeric strand, and a height that is at least two times greater than a height of the one polymeric strand.
Type:
Grant
Filed:
August 12, 2015
Date of Patent:
June 15, 2021
Assignee:
3M Innovative Properties Company
Inventors:
Nhat Ha Thi Nguyen, Thomas J. Xue, Seyed A. Angadjivand, Ronald W. Ausen, William J. Kopecky, Mark T. Gibson, Olof N. Hansson, Joseph P. Kronzer
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:
Grant
Filed:
November 9, 2017
Date of Patent:
June 15, 2021
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
Inventors:
David R. Holm, Richard L. Jacobson, James M. Sieracki, Phong V. Ha, Steven B. Heinecke
Abstract: An adhesive article is described comprising a foamed adhesive layer and a non-foamed adhesive layer. The adhesive of each adhesive layer comprises a tetrahydrofurfuryl (meth)acrylate copolymer; an epoxy resin; a polyether polyol; and optionally a hydroxy-functional film-forming polymer. The adhesive may be used in structural and semi-structural bonding applications and is designed to fail cohesively.
Type:
Grant
Filed:
November 21, 2017
Date of Patent:
June 15, 2021
Assignee:
3M Innovative Properties Company
Inventors:
Cyrus A. Anderson, Kathleen S. Shafer, Thomas Q. Chastek, Jonathan E. Janoski, Michael C. Martin, Anthony F. Schultz, Carla S. Thomas, Peter O. Rekow
Abstract: Cartridges for sample partitioning and methods of making and using the cartridges are provided. The cartridges include a pouch to receive a mated stem-well film and a sealing film covered by a release liner. The stem film and the sealing film can be respectively separated from the well film and sealing film simultaneously by pulling a pull tab.
Type:
Grant
Filed:
December 21, 2016
Date of Patent:
June 15, 2021
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
Inventors:
Ruby L. Byrne, Evan D. Brutinel, Michael A. Haase
Abstract: Provided is a barrier adhesive composition comprises polyisobutylene resin, organically modified nanoclay (e.g. montmorillonite or bentonite) and sorbent nanoparticles (e.g. CaO which acts as a desiccant and/or getter). In a preferred embodiment, the barrier adhesive composition is disposed on a gas-barrier film to form an adhesive barrier film. The adhesive barrier film can then be used for protection from oxygen and moisture in OLED displays and solid state lightings, solar cells, electrophoretic and electrochromic displays thin film batteries, quantum dot devices, sensors (e.g. touch sensor) and other organic electronic devices. The adhesive barrier film is especially well-suited for applications that require oxygen and moisture protection as well flexibility and good optical transmittance.
Type:
Grant
Filed:
June 13, 2017
Date of Patent:
June 15, 2021
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
Inventors:
Jacob P. Johnson, Adam J. Meuler, Serena L. Schleusner
Abstract: A film is described comprising a first film layer having a Tg ranging from 30° C. to 60° C. The first film layer comprises a (meth)acrylic polymer and polyvinyl acetal polymer composition. The film further comprises a second layer proximate the first film layer. The second layer is different than the first film layer. The second may be a cured (meth)acrylic polymer film or coating; a backing such as thermoplastic polymer, woven or nonwoven fabrics, metal foils, paper, foams; or a coverfilm such as a fluoropolymer.
Type:
Grant
Filed:
December 13, 2016
Date of Patent:
June 15, 2021
Assignee:
3M Innovative Properties Company
Inventors:
Jonathan E. Janoski, Carla S. Thomas, Anthony F. Schultz, Tien Y. H. Whiting, Kevin M. Lewandowski, Duane D. Fansler, Keith R. Lyon, Arlin L. Weikel, Timothy J. Hebrink, Amanda K. Hulke, Eric D. Shockey, Anthony M. Renstrom, Sonja S. Mackey, Thomas P. Klun
Abstract: A polypeptide having a sequence at least 70% identical to SEQ ID NO: 1 (YVSPGMKNVNWWSHWWHATD) is provided. The polypeptide includes no more than 100 total amino acid residues.
Type:
Grant
Filed:
September 28, 2017
Date of Patent:
June 15, 2021
Assignee:
3M Innovative Properties Company
Inventors:
Minghua Dai, Amy K. McNulty, Federica Sgolastra, Jie Liu, Jana Ninkovic, Robert T. Fitzsimons, Jr.
Abstract: Curable, coatable compositions include silane surface-treated inorganic nanoparticles with a high refractive index, and a curable reaction mixture. The curable reaction mixture includes a first (meth)acrylate monomer comprising a high refractive index (meth)acrylate monomer with a refractive index of 1.6 or higher, a second (meth)acrylate monomer comprising a lower refractive index (meth)acrylate monomer with a refractive index of less than 1.6, and at least one initiator. Cured optical coatings prepared from the compositions are optically clear, having a visible light transmission of at least 88% and a haze of 5% or less, and have a refractive index of at least 1.78, and are capable of passing a 10 millimeter mandrel flexibility test.
Type:
Grant
Filed:
December 27, 2017
Date of Patent:
June 15, 2021
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
Inventors:
Claire Hartmann-Thompson, Jonathan A. Anim-Addo, Justin P. Meyer, Samuel J. Carpenter, Bryan V. Hunt
Abstract: A melt additive compound has the general formula (I) wherein R represents a linear alkylene group having from 1 to 18 carbon atoms; n represents an integer from 1 to 4, inclusive; and Rf1 is represented by the general formula II wherein Rf represents a perfluorinated group having from 3 to 5 carbon atoms. Compositions comprising a thermoplastic polymer and the melt additive compound, methods of extruding them and extruded articles are also disclosed.
Type:
Grant
Filed:
June 5, 2018
Date of Patent:
June 8, 2021
Assignee:
3M Innovative Properties Company
Inventors:
Georgiy Teverovskiy, Chetan P. Jariwala, Ajay K. Vidyasagar, Maria A. Appeaning, Kristy A. Jost, Robert A. Polik
Abstract: Provided are adhesive articles that include a barrier layer that is substantially impermeable to oxygen gas at ambient temperature and pressure along with a heat-bondable layer, which could be a discrete layer adjacent to the barrier layer or integral with the barrier layer. The adhesive article further includes a backing extending across and coupled to the barrier layer and an adhesive layer extending across and coupled to the backing opposite the barrier layer. The barrier layer reduces or eliminates migration of plasticizers from the bonded seal into the adhesive article, limiting deterioration of tape performance over time.
Type:
Grant
Filed:
December 14, 2015
Date of Patent:
June 8, 2021
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
Inventors:
Robert D. Waid, Scott R. Meyer, Panu K. Zoller
Abstract: (Problem) To provide an optical ferrule that can easily accommodate multicore optical fibers, without an accompanying increase in the number of components. (Resolution Means) The optical ferrule 1 includes a guide opening 14 formed by an upper wall 10, a bottom wall 11, and a pair of side walls 12 and 13; a guide part 15 that extends forward from the upper wall 10 and the guide opening 14; and an optical coupler 20 provided on the upper surface of the upper wall 10. The optical coupler 20 has a waveguide aligning part 21 that aligns and holds an optical waveguide 2, and a light direction converter 22 that changes the direction of light from the optical waveguide 2 and emits the light toward an opposing optical ferrule 1.
Abstract: A strap retainer (4) for attaching a chinstrap (3) to a safety helmet (1). The strap retainer (4) includes a clip (5) that has a first latch (52A) that is movable between an engaged position and a retracted position. The first latch (52A) is resiliently biased toward the engaged position. The strap retainer (4) further has a slider (6) that is displaceable between a lock setting and a release setting. The lock setting causes a movement of the first latch (52A) toward the retracted position to be impeded, and the release setting causes the impeding to be suspended.
Type:
Grant
Filed:
May 8, 2018
Date of Patent:
June 8, 2021
Assignee:
3M Innovative Properties Company
Inventors:
Peter L. Axelsson, Christina E. S. Wester, Pernilla M. Nolåkers
Abstract: A scrubbing article including a substrate, a stain release coating and a texture layer. The stain release coating is applied to the substrate and is present over a at least a major surface of the substrate, and the texture layer is formed over the stain release coating opposite the substrate. In some embodiments, the texture layer is printed on to the stain release coating. The substrate can assume various forms, such as nonwoven, fabric (e.g., woven or knitted), foam, film and sponge material or combinations thereof.
Type:
Grant
Filed:
January 17, 2017
Date of Patent:
June 8, 2021
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
Inventors:
Stewart H. Corn, Matthew S. Cole, Ibrahim S. Gunes, Windy A. Santa Cruz, Dennard J. Powell
Abstract: In some examples, a system includes: an article of personal protective equipment (PPE) that includes a communication component; a computing device communicatively coupled to the article of PPE, wherein the computing device: receives context data that is based on one or more of the article of PPE, a work environment for the article of PPE, or a worker assigned to the article of PPE; selects, based at least in part on the context data, a set of programmable safety rules that are contextually associated with the at least one article of PPE; sends the programmable safety rules to one or more of the article of PPE or a data hub communicatively coupled to the article of PPE; and wherein the programmable safety rules are configured at the article of PPE or the data hub to perform one or more operations based at least in part on PPE data.
Type:
Grant
Filed:
January 10, 2020
Date of Patent:
June 8, 2021
Assignee:
3M Innovative Properties Company
Inventors:
Kiran S. Kanukurthy, Steven T. Awiszus, Eric C. Lobner, Michael G. Wurm, Kenneth J. Gamberini
Abstract: An air filter (1) comprises an air filter media (10) with a sorbent-free area (20) that provides a visual filter life indicator zone (30) and with a sorbent-loaded area (26) that provides a visual reference zone (27).
Type:
Grant
Filed:
November 17, 2016
Date of Patent:
June 8, 2021
Assignee:
3M Innovative Properties Company
Inventors:
Liang Cheng, Andrew R. Fox, Himanshu Jasuja, Zhiqun Zhang
Abstract: A copolymer having tetrafluoroethylene units and second polymerized monomer units in a range from 0.2 to 1 percent by weight, based on the total weight of the copolymer. Rf is a linear or branched perfluoroalkyl group having from 1 to 8 carbon atoms and optionally interrupted by one or more —O— groups, n is independently from 1 to 6, and z is 0, 1, or 2. The copolymer has a melt flow index in a range from 0.02 grams per 10 minutes to 19.4 grams per 10 minutes. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed.
Type:
Grant
Filed:
August 1, 2017
Date of Patent:
June 8, 2021
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
Inventors:
Harald Kaspar, Klaus Hintzer, Markus E. Hirschberg, Herbert Koenigsmann, Karl D. Weilandt, Tilman C. Zipplies
Abstract: Nozzles are provided, for applying setting resins onto the edge of a panel, in some embodiments the cut edge of a panel such as a honeycomb panel. The nozzle comprises a connector portion and an application head, wherein the application head comprises: a) a supporting wall, and b) a curved finish wall joining the supporting wall along an edge at an angle of greater than 92 degrees and less than 120 degrees. In some embodiments, the curved finish wall has a curve radius which remains between 1.0 and 7.0 cm throughout the length of the curved finish wall. In some embodiments, the curved finish wall has a trailing edge profile which is smoothly curved and a leading edge profile which is scalloped. In addition, methods of applying a setting resin onto the edge of a panel are presented.
Type:
Grant
Filed:
January 6, 2020
Date of Patent:
June 8, 2021
Assignee:
3M Innovative Properties Company
Inventors:
Alvaro S. Domenighi, Kim L. Gustafson, Patrick G. Zimmerman