Patents Assigned to 3M
  • Patent number: 11597183
    Abstract: The present disclosure relates to films having at least a first profiled layer and a second layer having an inverse profile of the first layer. Those films can be used as protection tapes for various surfaces. Exemplary uses of the films of the present disclosure include leading edge protection tapes for rotor blades.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: March 7, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Michael Benton Free, Stephen A. Johnson, William T. Fay, Troy J. Anderson, Derek W. Patzman
  • Patent number: 11598031
    Abstract: An article comprising hollow ceramic microspheres and multi-component fibers is disclosed. The multi-component fibers are adhered together, and the hollow ceramic microspheres are adhered to external surfaces of the multi-component fibers. A method of making the article and use of the article for insulation are also disclosed.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: March 7, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Michael D. Crandall, Ignatius A. Kadoma, Andrew J. Peterson, Yong K. Wu
  • Patent number: 11596590
    Abstract: Methods and kids for removing calculus from a tooth. The method can include applying a component A comprising a hydrogen peroxide or a precursor thereto and a component B the comprising a catalase to the tooth, thereby generating oxygen; and removing at least a part of the calculus from the tooth.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: March 7, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Tao Gong, Petra L. Kohler Riedi, Evan Koon Lun Yuuji Hajime, Steven P. Swanson
  • Patent number: 11596704
    Abstract: The present disclosure relates to an article for detecting a disinfectant via visual feedback. The article have a first substrate with a first major surface and opposite ends. The article also comprises a process indicator disposed on at least a portion of the first major surface. The process indicator reacts with at least one liquid disinfectant selected from the group consisting of glutaraldehyde, ortho-phthalaldehyde, hydrogen peroxide, peroxyacetic acid, and combinations thereof. The process indicator can be formed from a synthetic amine-containing polymer derived from polyethylenimine (PEI). The article can have a flow channel that is formed by a portion of the process indicator and that extends between the opposite ends. The disclosure also relates to a kit containing the article as well as a method of using the article in a disinfection process. The article is used to diagnose issues in an automated endoscope reprocessors (AERs).
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: March 7, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Timothy J. Nies, G. Marco Bommarito, Christopher J. Claypool
  • Patent number: 11597830
    Abstract: The invention relates to a radiation curable composition for additive-manufacturing processes, the composition comprising (meth)acrylate component(s) not comprising an urethane moiety having a molecular weight Mw of at least 1,000 as Component A1, photo initiator as Component B, red, yellow or orange dye or combination thereof as Component C, blue dye having a light absorption band in the range of 350 to 420 nm as Component D, and optionally stabilizer as Component E. The invention further relates to a process of producing an elastomeric 3-dim article from the radiation curable composition in an additive-manufacturing process and the obtained elastomeric 3-dim article.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: March 7, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Joachim Zech, Hendrik Grupp, Malte Korten, Ralf Paehl, Dietmar Blees, Gioacchino Raia
  • Patent number: 11597059
    Abstract: A coated abrasive disc includes a disc backing and an abrasive layer disposed thereon. The abrasive layer comprises abrasive elements secured to a major surface of the disc backing by at least one binder material. The abrasive elements are disposed at contiguous intersections of horizontal and vertical lines of a rectangular grid pattern. Each abrasive element has two triangular abrasive platelets, each having respective top and bottom surfaces connected to each other, and separated by, three sidewalls. On a respective basis, one sidewall of the triangular abrasive platelets is disposed facing and proximate to the disc backing. A first portion of the abrasive elements is arranged in alternating first rows wherein the triangular abrasive platelets are disposed lengthwise aligned with the vertical lines. A second portion of the abrasive elements is arranged in alternating second rows wherein the triangular abrasive platelets are disposed lengthwise aligned with the horizontal lines.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: March 7, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Thomas P. Hanschen, Steven J. Keipert, Joseph B. Eckel, Aaron K. Nienaber, Erin D. Spring, Brant A. Moegenburg, Eric M. Moore, Thomas J. Nelson
  • Patent number: 11590023
    Abstract: The invention includes a forced-air blanket for providing a profusion of air to a patient, comprising a bottom layer with a plurality of openings configured to allow a profusion of air to pass through the bottom layer and an upper layer bonded to the bottom layer around a periphery, wherein the upper layer is also bonded to bottom layer by a plurality of linear seals and a plurality of staked seals. In an embodiment, at least one of more of the linear seals have one end which is joined to a portion of the periphery. In another embodiment, the forced-air blanket may further include at least one elongated seal that is positioned proximate to the inlet. The arrangement of the plurality of staked seals, elongated seals and linear seals assists in providing a blanket that is of a low-profile with even air distribution.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: February 28, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Andrew J. McGregor, Daniel P. Doran
  • Patent number: 11591438
    Abstract: The invention relates to a process of processing a radiation-curable composition with an additive-manufacturing technique comprising a radiation-curing step, the radiation-curable composition comprising mercapto-functional Component A comprising at least three mercapto moieties, crosslinker Component B with at least three vinyl or allyl moieties, photo-initiator(s) Component C for initiating a curing reaction between Component A and Component B, wherein the radiation-curable composition does not comprise urethane (meth)acrylate oligomers in an amount of more than 4 wt. % with respect to the whole composition. 3-dim articles which can be produced are typically transparent and have adequate mechanical properties. The radiation-curable composition is in particular useful for producing clear-tray aligners for dental and orthodontic purposes.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: February 28, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Henning Hoffmann, Peter U. Osswald, Joachim W. Zech
  • Patent number: 11592622
    Abstract: A light coupling element including a groove and a light redirecting member is described. The groove is for receiving and aligning an optical waveguide and incudes an open front end and a back end. The light redirecting member includes an input side for receiving light from an optical waveguide received and supported in the groove and a light redirecting side for changing a direction of light received from the input side. The groove may include a bottom surface extending between the front and back ends of the groove and including a raised bottom surface portion raised upwardly relative to an unraised bottom surface portion. The unraised bottom surface portion of the bottom surface may be disposed between the raised bottom surface portion of the bottom surface and the input side of the light redirecting member. Optical coupling assemblies including the light coupling element and an optical waveguide are described.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: February 28, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Michael A. Haase, Bing Hao, Changbao Ma, Terry L. Smith
  • Patent number: 11591541
    Abstract: Compositions are provided that include a matrix and a polymeric composite particles disposed in the matrix. The polymeric composite particles include a porous polymeric core and a fragrance positioned within the porous polymeric core. Polymeric composite particles are also provided including a porous polymeric core, a fragrance positioned within the porous polymeric core, and a coating layer around the porous polymeric core. Further, a method of determining a minimum temperature of a composition is provided including providing a composition including polymeric composite particles disposed in a matrix, heating the composition, releasing at least a portion of the fragrance as a vapor from the porous polymeric core of the polymeric composite particles at or above the minimum temperature, and detecting at least a portion of the fragrance vapor in a location outside of the matrix.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: February 28, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Michael W. Kobe, Mary M. Caruso Dailey, Luke E. Heinzen, Hassan Sahouani
  • Patent number: 11591501
    Abstract: Barrier adhesive compositions include at least one polyisobutylene-containing polymer and a curable silsesquioxane additive. The curable silsesquioxane additive may contain free radically polymerizable groups. Barrier film articles include the barrier adhesive compositions and a film. The barrier film articles can be used to encapsulate organic electronic devices.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: February 28, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: John P. Baetzold, Claire Hartmann-Thompson, Jitendra S. Rathore
  • Patent number: 11591702
    Abstract: An article is provided that includes a substrate, a silicon containing layer on the substrate, and a layer including metallic Pt on the silicon containing layer. The silicon containing layer is a diamond-like glass layer. Optionally, the substrate is a porous membrane. In some cases, the silicon containing layer is a continuous layer.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: February 28, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Moses M. David, Cedric Bedoya, Jiyoung Park, Amir Gharachorlou, Mary I. Buckett
  • Patent number: 11584863
    Abstract: Curable ink compositions include at least one aromatic (meth)acrylate, at least one multifunctional (meth)acrylate with heteroaromatic groups, fused aromatic groups, heteroalkylene groups, or a group containing both heteroalkylene and aromatic groups, and a photoinitiator. The curable ink composition is Inkjet printable, having a viscosity of 30 centipoise or less at a temperature of from room temperature to 35° C., and is free from solvents. The ink composition, when printed and cured has a refractive index of 1.55 or greater, and is optically clear. The cured ink composition, when cured to a thickness of from 1-16 micrometers, has a surface roughness of less than or equal to 5 nanometers.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: February 21, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Evan L. Schwartz, Claire Hartmann-Thompson, Bryan V. Hunt, Brett J. Sitter, Kelly A. Volp, Saswata Chakraborty, Wayne S. Mahoney, Tabitha A. Silliman
  • Patent number: 11585358
    Abstract: Provided are attachment devices including a fastener (102) and a clip (104) coupled to the fastener, along with methods related thereof. The clip has first and second members (110, 112) with respective first and second engagement surfaces (116, 118) that oppose each other and define a gap (120) sized to receive a portion of the rail. The clip further includes a bridging member (114) that connects the first and second members to each other. The bridging member can have at least one opening (130) aligned with the gap and providing access for a prying tool to resiliently deflect the first and/or second engagement surface and facilitate detachment of the clip from the rail. Optionally, the bridging member includes a third engagement surface (122) with a configuration that enables a rigid coupling between the clip and the rail.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: February 21, 2023
    Assignee: 3M Innovative Properties Company
    Inventor: Matthew Kyle Wilcox
  • Patent number: 11584827
    Abstract: The present disclosure provides a photopolymerizable composition comprising 50-90 wt % of at least one urethane component, 5-50 wt % of at least one reactive diluent, 0.1-5 wt % of a photoinitiator, and optionally an inhibitor, wherein said composition has a viscosity at a temperature of 40 degrees Celsius of 10 Pa·s or less, as determined using a magnetic bearing rheometer using a 40 mm cone and plate measuring system at a shear rate of 0.1 l/s. The present disclosure also provides an article including the reaction product of the photopolymerizable composition, in which the article exhibits an elongation at break of 25% or greater. Further, the present disclosure provides a method of making an article including (i) providing a photopolymerizable composition and (ii) selectively curing the photopolymerizable composition to form an article. The method optionally also includes (iii) curing unpolymerized urethane component and/or reactive diluent remaining after step (ii).
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: February 21, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Zeba Parkar, Daniel J. Skamser, Ahmed S. Abuelyaman, Tianyu Wu
  • Patent number: 11585762
    Abstract: System and methods used to inspect a moving web (112) include a plurality of image capturing devices (113) that image a portion of the web at an imaging area. The image data captured by each of the image capturing devices at the respective imaging areas is combined to form a virtual camera data array (105) that represents an alignment of the image data associated with each of the imaging areas to the corresponding physical positioning of the imaging areas relative to the web. The image output signals generated by each of the plurality of image capturing devices may be processed by a single image processor, or a number of image processors (114) that is less than the number of image capturing devices. The processor or processors are arranged to generate the image data forming the virtual camera array.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: February 21, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Kenneth G. Brittain, Steven P. Floeder
  • Patent number: D979381
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: February 28, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Mario A. Davenport, Angela L. Pan, Joseph A. Hoffman
  • Patent number: D980541
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: March 7, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Alonso M. Hernandez, Mario A. Davenport, Eric O. Hemberg
  • Patent number: D980543
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: March 7, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Alonso M. Hernandez, Mario A. Davenport, Eric O. Hemberg
  • Patent number: D980544
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: March 7, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Alonso M. Hernandez, Mario A. Davenport, Eric O. Hemberg