Patents Assigned to 3M
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Patent number: 10626268Abstract: There is provided a pressure sensitive adhesive foam comprising a foam comprising a non-syntactic foam blend of styrenic block copolymer and acrylic copolymer wherein the pressure-sensitive adhesive foam has an elongation of greater than 600%, wherein the non-syntactic foam blend is a hot melt formed foam. There is also provided multilayer pressure sensitive adhesive foams, pressure sensitive adhesive foam tapes and articles made using such pressure sensitive adhesive foam.Type: GrantFiled: April 12, 2013Date of Patent: April 21, 2020Assignee: 3M Innovative Properties CompanyInventors: Andrew Satrijo, Kyle P. Erickson, Jingjing Ma, Damian A. Marshall, Richard L. Peloquin, Sharon Wang, Michael C. Martin
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Patent number: 10628727Abstract: A radio frequency identification tag including a stretchable substrate folded along a fold line to form top and bottom stretchable fold portions is described. Each fold portion has major top and bottom surfaces with the major top surface of the bottom fold portion facing the major bottom surface of the top fold portion. An antenna having a spiral form is disposed on the major top surface of the top fold portion. First and second terminals are disposed on the major top surface of the top fold portion and are in electrical communication with respective first and second ends of the antenna. A meandering electrode is disposed on the major bottom surface of the bottom fold portion and has first and second electrode ends making crimp connections with the respective first and second terminals.Type: GrantFiled: January 15, 2019Date of Patent: April 21, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: John D. Geissinger, Robin E. Gorrell, Howard M. Kaplan
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Patent number: 10626308Abstract: The present disclosure relates to a B-stageable adhesive composition and an article prepared by the same. In the present disclosure, the adhesive composition comprises the following components in solid content percentage: (A) 10% to 50% by weight of a first epoxy resin with a weight average molecular weight Mw of 8,000 g/mol or more; (B) 5% to 20% by weight of a second epoxy resin with a weight average molecular weight Mw of 200 to 6,000 g/mol; (C) 30% to 80% by weight of a hydroxyl terminated polyester or derivates thereof; (D) 0.1% to 2.5% by weight of a first curing agent capable of reacting with epoxy group; and (E) 0.1% to 2.5% by weight of a second curing agent capable of reacting with hydroxyl group; the sum of components of the composition is equal to 100% by weight. The coating obtained from the adhesive composition of the present disclosure shows high adhesive strength, excellent heat resistance and flame retardance.Type: GrantFiled: September 15, 2015Date of Patent: April 21, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Zhenqian Yang, Liang Qin, Dong Li, Ping Zhou, Xiongjian Wu
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Patent number: 10626055Abstract: Metal oxide particles, such as molded particles, as well as methods of making and articles containing the same. The particles can contain at least 70 mol percent ZrO2, and can be made by a molding process.Type: GrantFiled: September 12, 2014Date of Patent: April 21, 2020Assignee: 3M Innovative Properties CompanyInventors: Kathleen M. Humpal, Brant U. Kolb, Margaret M. Vogel-Martin, Mark J. Hendrickson
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Patent number: 10627326Abstract: An article that can be used for biomaterial capture comprises (a) a porous substrate; and (b) borne on the porous substrate, a polymer comprising interpolymerized units of at least one monomer consisting of (1) at least one monovalent ethylenically unsaturated group, (2) at least one monovalent ligand functional group selected from acidic groups, basic groups other than guanidino, and salts thereof, and (3) a multivalent spacer group that is directly bonded to the monovalent groups so as to link at least one ethylenically unsaturated group and at least one ligand functional group by a chain of at least six catenated atoms.Type: GrantFiled: June 6, 2019Date of Patent: April 21, 2020Assignee: 3M Innovative Properties CompanyInventors: Jerald K. Rasmussen, Catherine A. Bothof, George W. Griesgraber, Semra Colak Atan, James I. Hembre, Robert T. Fitzsimons, Jr.
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Patent number: 10625400Abstract: A nonwoven abrasive article having a nonwoven web and a binder adhering formed ceramic abrasive particles to fibers of the nonwoven web. The formed ceramic abrasive particles having a formed ceramic abrasive particle size and the fibers having a fiber diameter, and wherein a ratio of the formed ceramic abrasive particle size to the nonwoven fiber diameter is from 0.4 to 3.5.Type: GrantFiled: March 4, 2014Date of Patent: April 21, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Jasmeet Kaur, Jacob M. Zwier, Negus B. Adefris, Edward J. Woo
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Patent number: 10626300Abstract: Curable adhesive compositions that can be used to prepare the pressure-sensitive adhesives, and methods of making the pressure-sensitive adhesives are provided. More particularly, the pressure-sensitive adhesives contain (a) a (meth)acrylate copolymer having a weight average molecular weight greater than 500,000 grams/mole (Daltons), (b) a high glass transition temperature (meth)acrylate polymer tackifier having a Tg of at least 5° C. and (c) a low glass transition temperature (meth)acrylate polymer tackifier having a Tg no greater than 0° C. The pressure-sensitive adhesives advantageously are prepared by ultraviolet (UV) curing a curable adhesive composition that contains minimal or no organic solvents.Type: GrantFiled: December 15, 2016Date of Patent: April 21, 2020Assignee: 3M Innovative Properties CompanyInventor: Wenjie Zhang
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Patent number: 10626204Abstract: Adhesive compositions that are optically transparent include a (meth)acrylate-based copolymer having a refractive index of at least 1.48, and particles of a thermoplastic polymer. At least some of the particles have an average particle size that is larger than the wavelength of visible light. The adhesive compositions are prepared by hot melt processing packaged adhesive compositions.Type: GrantFiled: December 20, 2018Date of Patent: April 21, 2020Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Margot A. Branigan, Vijay Rajamani, Thomas E. Augustine, Michael P. Daniels
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Patent number: 10625463Abstract: A method is provided for making structured hybrid adhesive articles such as lightning strike protection sheets. In the embodiment for making lightning strike protection sheets, the method comprises the steps of: a) providing an adhesive article comprising: i) a base resin comprising an epoxy resin, ii) a first epoxy curative, and iii) a second epoxy curative; b) reacting the base resin with the first epoxy curative such that the first epoxy curative is substantially reacted with epoxy resin in the article and the second epoxy curative is substantially unreacted in the article; c) embossing the adhesive article with a relief pattern; d) depositing an electrically-conductive layer onto at least a portion of the embossed surface; and e) curing the adhesive article such that the second epoxy curative is substantially reacted with epoxy in the article. In some embodiments, the method additionally comprises a step of embedding a scrim in the adhesive.Type: GrantFiled: February 1, 2019Date of Patent: April 21, 2020Assignee: 3M Innovative Properties CompanyInventors: Larry S. Hebert, Dmitriy Salnikov
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Patent number: 10625186Abstract: In general, techniques are described for filter media monitoring within a filtration system. The filter media monitoring techniques described herein include, for example, direct contact with the filter media, e.g., a sensor may be located inside a boundary defined by a surface of the filter media, or indirect contact with the filter media, e.g., a sensor may be located outside the boundary defined by the surface of the filter media such that the sensor does not make direct physical contact with the filter media being monitored.Type: GrantFiled: October 19, 2018Date of Patent: April 21, 2020Assignee: 3M Innovative Properties CompanyInventors: Andrew P. Bonifas, Nicholas G. Amell, Ronald D. Jesme, Jeffrey M. Maki, Brock A. Hable, Jaewon Kim
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Patent number: 10629329Abstract: A shielded electrical ribbon cable includes adjacent first and second longitudinal conductor sets where each conductor set includes two or more insulated conductors. The first conductor set also includes a ground conductor that generally lies in the plane of the insulated conductors of the first conductor set. At least 90% of the periphery of each conductor set is encompassed by a shielding film. First and second non-conductive polymeric films are disposed on opposite sides of the cable and form cover portions substantially surrounding each conductor set, and pinched portions on each side of each conductor set. When the cable is laid flat, the distance between the center of the ground conductor of the first conductor set and the center of the nearest insulated conductor of the second conductor set is ?1, the center-to-center spacing of the insulated conductors of the second conductor set is ?2, and ?1/?2 is greater than 0.7.Type: GrantFiled: May 29, 2019Date of Patent: April 21, 2020Assignee: 3M Innovative Properties CompanyInventors: Douglas B. Gundel, Rocky D. Edwards, Mark M. Lettang, Charles F. Staley
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Patent number: 10627557Abstract: Thermoplastic birefringent multilayer optical films are described. More particularly, thermoplastic multilayer films having alternating first and second layers having a linear layer profile where both outer layers are thinner than 350 nm but thicker than 150 nm are described. Thermoplastic birefringent multilayer optical films with thinner outer protective boundary layers are described.Type: GrantFiled: April 24, 2019Date of Patent: April 21, 2020Assignee: 3M Innovative Properties CompanyInventors: Matthew B. Johnson, Adam D. Haag, Martin E. Denker
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Patent number: 10625479Abstract: A feedblock including a first packet creator that forms a first packet including a first plurality of polymeric layers, the first plurality of layers including at least four first individual polymeric layers; and a second packet creator that forms a second packet including a second plurality of polymeric layers, the second plurality of layers including at least four second individual polymeric layers, wherein the first and second packet creators are configured such that, for each packet creator, respective individual polymeric layers of the plurality of polymeric layers are formed at approximately the same time. The feedblock may include a packet combiner that receives and combines the first and second primary packets to form a multilayer stream. In some examples, at least one of the first and second primary packets may be spread in the cross-web direction prior to being combined with one another.Type: GrantFiled: November 10, 2017Date of Patent: April 21, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Terence D. Neavin, Robert M. Biegler, William T. Fay
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Patent number: 10627552Abstract: The present disclosure relates to prismatic retroreflective articles that includes a security mark and to methods of making such articles.Type: GrantFiled: November 17, 2017Date of Patent: April 21, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Suman K. Patel, Bruce D. Orensteen, Mikhail L. Pekurovsky
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Publication number: 20200113498Abstract: A wireless pulse oximeter device can include a front-end circuit. The device also include a wireless communications module to communicate with a medical monitor or wireless receiver device. The device can also have a controller communicatively coupled to the front-end circuit and the wireless communication module. The controller can have one or more processors configured to receive the at least two photodiode readings, determine an AC component value and a DC component value of a first one of the at least two photodiode readings, transmit the AC component value, determine an R-value corresponding to a ratio of an optical absorption of a first wavelength of light to an optical absorption of a second wavelength of light, for a first set of photodiode readings, and transmit the R-value for the first set of photodiode readings.Type: ApplicationFiled: June 13, 2018Publication date: April 16, 2020Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventor: WILLIAM BEDINGHAM
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Publication number: 20200113729Abstract: Aspects of the present disclosure provide for a patient warming system having a heating device configured to transfer heat to a patient based on a body heat score that indicates whether the patient is likely to sweat. The heating device includes a heater circuit configured to produce heat, the heater circuit thermally coupled to the patient. The heating device also includes a controller communicatively coupled to the heater circuit. The controller has one or more processors configured to receive one or more physiological indicators of the patient, determine the body heat score from one or more physiological indicators, determine whether the body heat score meets a score threshold, direct the heater circuit to produce a first amount of heat based on whether the body heat score meets a score threshold.Type: ApplicationFiled: June 20, 2018Publication date: April 16, 2020Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: DANIEL P. DORAN, JIA HU, VINOD P. MENON, GREG E. SCHRANK, WINSTON T. TAN, TRUNG VU
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Patent number: 10619181Abstract: A method of detecting a Shigella or Cronobacter microorganism. The method comprises providing a culture device with a selective culture medium and a detection article comprising a first indicator system.Type: GrantFiled: July 16, 2018Date of Patent: April 14, 2020Assignee: 3M Innovative Properties CompanyInventors: Takatoshi Moriyama, Patrick A. Mach, Akio Kitahara, Henry J. Lubrant
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Patent number: 10619019Abstract: A film is described comprises a (meth)acrylic polymer and a polyvinyl acetal (e.g. butyral) resin. The film has a tensile elastic modulus of at least 1 MPa at 25° C. and 1 hertz and a glass transition temperature (i.e. Tg) less than 30 C. The film typically comprises photoinitiator as a result of the method by which the film was made. In one embodiment, the film is heat bondable and further comprising a backing.Type: GrantFiled: December 7, 2015Date of Patent: April 14, 2020Assignee: 3M Innovative Properties CompanyInventors: Corinne E. Lipscomb, Mary M. Caruso Dailey, Jonathan E. Janoski, Anthony F. Schultz
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Patent number: 10619189Abstract: A composition for reducing the inhibitory effects of contaminants on nucleic acid amplification is provided. The composition includes a plurality of zirconium oxide particles, a non-ionic surfactant, and an organic iron-chelating reagent. The organic iron-chelating reagent has a first affinity constant greater than or equal to 104.2 with respect to ferric iron and a second affinity constant less than 103.8 with respect to magnesium, wherein the first affinity constant and the second affinity constant are determined in deionized water at pH 8.45 and 20° C. Optionally, the composition includes polyvinylpyrrolidone. Optionally, the composition comprises water. The composition has a pH of about 8.45 to 8.85. Methods of using the composition to prepare a sample for nucleic acid amplification are also provided.Type: GrantFiled: May 9, 2016Date of Patent: April 14, 2020Assignee: 3M Innovative Properties CompanyInventors: Gregory W. Sitton, Wensheng Xia, Tonya D. Bonilla
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Patent number: 10617333Abstract: An over-the-ear hearing assessment device and a method for evaluating the performance of over-the-ear hearing devices are described. An exemplary over-the-ear hearing assessment device includes an ear cup defining an interior volume and positionable at least partially over the ear of a user. The ear cup includes a shell, a cushion, and an acoustic port extending from an exterior to the interior volume of the ear cup. The acoustic port is sealably engagable with a microphone.Type: GrantFiled: September 16, 2015Date of Patent: April 14, 2020Assignee: 3M Innovative Properties CompanyInventors: James D. Brown, Jacob H. Ely, Michael G. Wurm