Patents Assigned to 3M
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Patent number: 10982122Abstract: Optically clear curable adhesive films that are heat conformable prior to setting include a reactive composition. The curable films are flexible and free-standing, and have a complex viscosity of greater than 100,000 poise (10,000 Pascal seconds) at 25° C. and less than 100 poise (10 Pascal seconds) at 85° C., prior to setting. The set film has an adhesive shear strength of greater than 100 Newtons per square centimeter (N/cm2) to a glass substrate when measured according to the Shear Adhesion Test Method. The reactive composition includes an ethylenically unsaturated polyester-containing oligomeric composition that is the reaction product of a saturated, amorphous co-polyester polyol and a compound with a terminal polyol-reactive group and a terminal ethylenically unsaturated group, a (meth)acrylate functional material, and at least one initiator.Type: GrantFiled: September 1, 2015Date of Patent: April 20, 2021Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Margot A. Branigan, Thomas P. Klun, Kevin R. Schaffer, Audrey A. Sherman, Christopher J. Campbell, Lan H. Liu, Wayne S. Mahoney, Michael C. Palazzotto, Robert R. Kieschke
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Patent number: 10982079Abstract: A poly(oxyalkylene) polymer having a weight average molecular weight of at least 50,000 grams per mole and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate, in combination are useful as a polymer processing additive. In some embodiments, the polymer processing additive further includes a poly(oxyalkylene) polymer having a weight average molecular weight of up to 20,000 grams per mole Polymer processing additive compositions and thermoplastic, for example, polyolefin, compositions including a poly(oxyalkylene) polymer and a metal salt of a carboxylic acid, sulfonic acid, or alkylsulfate are disclosed. Methods of reducing melt defects during the extrusion of a thermoplastic polymer, which may be a homogeneously catalyzed polyolefin, are also disclosed.Type: GrantFiled: December 17, 2015Date of Patent: April 20, 2021Assignee: 3M Innovative Properties CompanyInventors: Claude Lavallée, Shireen A. Mamun
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Patent number: 10982090Abstract: A graphic article comprising a Poly lactic acid (PLA) based film and in particular, an ink layer depicting a graphic is described. The PLA based film comprises a semicrystalline polylactic acid polymer, a second of a polyvinyl acetate polymer having a glass transition temperature (Tg) of at least 25° C., and plasticizer. The article is typically a tape or sheet that may further comprise an adhesive (e.g. pressure sensitive) and a low adhesion backsize or a release liner. A method of forming a graphic article using the film of the invention is also disclosed.Type: GrantFiled: June 9, 2017Date of Patent: April 20, 2021Assignee: 3M Innovative Properties CompanyInventors: Ning Zhou, John A. Nielsen
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Patent number: 10983148Abstract: A sensor for a separable connector comprises a plug body comprising an insulating resin, the plug body configured to be inserted into the separable connector to encase a high voltage conductor disposed in the separable connector. The sensor also includes one or more high voltage capacitors encased by the insulating resin and configured to be electrically coupled to the separable connector at a first end portion when the plug body is inserted and one or more low voltage capacitors electrically coupled in series to the one or more high voltage capacitors to form a capacitive voltage divider. The sensor also includes a low voltage connection configured to provide a low voltage signal corresponding to a high voltage signal present in the separable connector, the low voltage connection comprising a coaxial contact having a first metal contact and a second metal contact.Type: GrantFiled: November 13, 2019Date of Patent: April 20, 2021Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Christopher R. Wilson, Laszlo Markos, Carl J. Wentzel, Richard D. Twigg
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Patent number: 10975220Abstract: Articles are provided, including a porous elastomeric material having a first major surface and an elastomeric material integrated into the first major surface of the porous elastomeric material. The elastomeric material coating the first major surface, a first portion of the elastomeric material being disposed within a plurality of pores defined by the first major surface of the porous elastomeric material and extending into the plurality of pores to a depth of at least 300 micrometers (?m), wherein the first portion of the elastomeric material provides fluid communication through the porous elastomeric material via holes formed in the elastomeric material extending into the thickness of the porous elastomeric material through the voids of the pores of the elastomeric material. A method of making an article is also provided.Type: GrantFiled: May 6, 2015Date of Patent: April 13, 2021Assignee: 3M Innovative Properties CompanyInventors: Kurt J. Halverson, Cary A. Kipke
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Patent number: 10973710Abstract: Absorbent article including a chassis and fastening tab. The fastening tab includes a carrier, a first fastener having first male fastening elements, and a second fastener. The second fastener includes a backing with first and second opposing surfaces, with second male fastening elements on the first surface. A first portion of the second surface of the backing is connected to the carrier, and a second portion of the second surface of the backing is attached to the topsheet side of the chassis. The carrier is attached to the backsheet side of the chassis. Some fastening laminates, before attachment to the article, have the second portion of the second fastener folded over to face the first portion of the second fastener. Other laminates have the second fastener positioned with its first surface toward the carrier and attached to the carrier with a film.Type: GrantFiled: November 17, 2015Date of Patent: April 13, 2021Assignee: 3M Innovative Properties CompanyInventors: Mark A. Peltier, Timothy V. Stagg, Leigh E. Wood, Thomas J. Gilbert, Steven J. Perron
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Patent number: 10975025Abstract: Described herein is an oligomer according to formula I: (I) wherein Y is an anionic group selected from the group consisting of: sulfates, carboxylates, phosphate, phosphonate, and sulfonate, wherein each X1, X2, and X3 are independently selected from F, Cl, H, and CF3; R is a linking group; each Z1 and Z2 is independently selected from F and CF3; m is at least 2; and R1 and R2 are end groups, wherein the oligomer comprises substantially no pendant functional groups, except those selected from the group consisting of: sulfates, carboxylates, phosphate, phosphonate, and sulfonate.Type: GrantFiled: December 4, 2012Date of Patent: April 13, 2021Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Zai-Ming Qiu, Miguel A. Guerra
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Patent number: 10975221Abstract: The present disclosure provides a crosslinkable composition including a (meth)acrylate polymer and a visible light absorbing compound. Two percent or less of the carbon-carbon bonds in the crosslinkable composition are double bonds. The composition allows for inclusion of one or more materials degradable by ultraviolet radiation and/or stabilized against ultraviolet radiation. Methods for making a crosslinked composition is also provided. One method includes obtaining a crosslinkable composition and subjecting the crosslinkable composition to radiation having a wavelength of 400 nm or greater. Another method includes subjecting a crosslinkable composition to first and second radiations that are different from each other.Type: GrantFiled: October 17, 2017Date of Patent: April 13, 2021Assignee: 3M Innovative Properties CompanyInventors: Shijing Cheng, Sheng Ye, David J. Yarusso, Jianhui Xia
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Patent number: 10973692Abstract: A viscoelastic wound closure dressing. The dressing can include a viscoelastic backing having a first major surface configured to face skin when in use, a first end, a second end, and a middle section located between the first end and the second end. The wound closure dressing can further include a skin-contact adhesive on the first major surface of the viscoelastic backing adjacent the first end and the second end. A majority of the first major surface of the middle section can be free of the skin-contact adhesive. The viscoelastic backing can recover, at room temperature: (i) no more than 40% of its deformation after 10 seconds, after being strained to 50% elongation for 30 minutes, and (ii) at least 70% of its deformation after 48 hours, after being strained to 50% elongation for 30 minutes.Type: GrantFiled: December 10, 2015Date of Patent: April 13, 2021Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Joseph D. Rule, Döne Demirgöz, Jennifer N. Hanson, James M. Jonza, Gregory J. Anderson, Raha A. Been, David R. Holm
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Patent number: 10977541Abstract: Flexible, stretchable RFID tags are formed by a pocket that is formed from one or more substrates and layers of adhesive, and an electronic circuit that is located within this pocket. The RFID tags can include a stretchable substrate and an electronic circuit attached to the stretchable substrate by one or a finite number of discrete spaced apart attachment locations. When the pocket is formed by relatively thick adhesive layers adhering together one or more flexible substrates to form an internal cavity, the electronic circuit is located within this cavity and either is not adhered to any of the substrates of the cavity, and is free to move about within the cavity, or the electronic circuit can be attached to a substrate by a thin layer of adhesive.Type: GrantFiled: October 4, 2019Date of Patent: April 13, 2021Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Nicholas T. Gabriel, Ronald D. Jesme, Andrew P. Bonifas, Dylan T. Cosgrove, John P. Baetzold
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Patent number: 10974222Abstract: A filter media composition includes a ferrihydrite material having an average pore size (BJH) in a range from 1 to 3 nm and a surface area (BET) of at least 200 m2/g or at least 250 m2/g or at least 300 m2/g.Type: GrantFiled: April 20, 2016Date of Patent: April 13, 2021Assignee: 3M Innovative Properties CompanyInventor: Matthew A. Rankin
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Publication number: 20210100929Abstract: Disclosed is a fibrinogen composition. The fibrinogen composition comprises denatured fibrinogen hydrogel having a fibrinogen concentration ranging from 0.1 to 15 wt.-% and a fibrinogen hydrogel forming salt at a concentration less than a threshold concentration to form the fibrinogen hydrogel. In some examples, the fibrinogen composition is dehydrated denatured fibrinogen hydrogel, where the fibrinogen composition comprises salt at a concentration no greater than 20 wt.-%.Type: ApplicationFiled: November 23, 2020Publication date: April 8, 2021Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: JAMES P. DIZIO, ZHICHENG TIAN, JAMES W. BJORK, AMY S. DETERMAN, ROBERT A. ASMUS, JONATHAN J. O'HARE
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Patent number: 10968332Abstract: A compound represented by formula: and a treated filler having the compound on at least a portion of its surface. R is hydrogen or alkyl. X is alkylene, arylalkylene, or alkylarylene, each optionally interrupted by at least one of an ether, thioether, amine, amide, ester, thioester, carbonate, thiocarbonate, carbamate, thiocarbamate, urea, or thiourea, with alkylene optionally interrupted by arylene. W is hydroxyl, a sulfonic acid group, a phosphonic acid group, carboxylic acid group, —NHR1, epoxy, or —Si(Y)x(Z)3-x. Y is alkyl, aryl, arylalkylenyl, or alkylarylenyl. Z is halide, hydroxyl, alkoxy, aryloxy, acyloxy, polyalkyleneoxy, —O— covalently bonded to the surface of the filler, or —O bonded to another silicon atom, and x is 0 or 1. A composition including the treated filler, a method of making the treated filler, and a method of determining the degree of cure of a curable polymeric resin are also disclosed.Type: GrantFiled: March 18, 2019Date of Patent: April 6, 2021Assignee: 3M Innovative Properties CompanyInventors: Mark F. Schulz, Michael S. Wendland
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Patent number: 10967358Abstract: Composite granules that contain a binder and a polymeric sorbent material for capturing aldehydes such as formaldehyde are provided. Additionally, methods of making the composite granules, methods of using the composite granules to capture aldehydes, and compositions formed by reacting the composite granules with aldehydes are provided. The polymeric sorbent material included in the composite granules is a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. This reaction results in the formation of nitrogen-containing groups that are covalently attached to the polymeric sorbent. Aldehydes can react with the nitrogen-containing groups.Type: GrantFiled: March 10, 2017Date of Patent: April 6, 2021Assignee: 3M Innovative Properties CompanyInventors: Michael W. Kobe, Michael S. Wendland
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Patent number: 10967624Abstract: The article includes a thermoplastic layer having opposing first and second side edges and a first surface bearing male fastening elements. The thermoplastic layer is plastically deformed and has a retardance profile having an average retardance along a line from the first edge to a location 500 micrometers from the first edge and a distance from the first edge where 75% of the average retardance is observed of at least 10 micrometers. In some cases, a distance between the first and second side edges is up to 50 millimeters. In some cases, the article is a fastening tab. The method includes providing a thermoplastic film having opposing first and second side edges, with a distance between the opposing side edges of up to 50 millimeters, and stretching the thermoplastic film to form the thermoplastic layer, which is plastically deformed. The first surface of the thermoplastic film bears male fastening elements.Type: GrantFiled: December 19, 2016Date of Patent: April 6, 2021Assignee: 3M Innovative Properties CompanyInventors: Thomas J. Gilbert, Todd L. Nelson, Neelakandan Chandrasekaran, Steven J. Perron, Timothy P. Pariseau, Mark A. Peltier
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Patent number: 10971849Abstract: A connector (1000) includes a housing (100), a cover (200), and a plurality of contacts (300). The housing (100) includes a housing front portion (10) having a plurality of first groove portions (20) and a housing rear portion (30) having a plurality of second groove portions (40) and a plurality of third groove portions (50) offset from the first groove portions (20). The cover (200) is configured to be combined with the housing front portion (10) and includes a plurality of fourth groove portions (210) including through holes (211).Type: GrantFiled: June 20, 2018Date of Patent: April 6, 2021Assignee: 3M Innovative Properties CompanyInventor: Toshio Ohta
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Patent number: 10967399Abstract: An organofluorine coating on a major surface of a substrate, wherein the organofluorine coating has a surface composition of about 5 at % to about 15 at % oxygen and about 30 at % to about 50 at % fluorine.Type: GrantFiled: June 15, 2017Date of Patent: April 6, 2021Assignee: 3M Innovative Properties CompanyInventors: Ta-Hua Yu, Moses M. David, Kevin D. Hagen, Samuel J. Carpenter, Eric J. Hanson, Martin B. Wolk, Steven J. McMan, Evan L. Schwartz
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Patent number: 10967087Abstract: The disclosed sterilizer includes a humidity control system for controlling humidity. The sterilizer for sterilizing objects comprises a chamber for receiving objects to be sterilized and a humidity control system. The humidity control system comprises a water control system which can be connected to a water source for injecting a first quantity of water vapor into the chamber, a pressure sensor in fluid communication with the chamber for measuring pressure in the chamber, a humidity sensor in fluid communication, or in selective fluid communication, with the chamber for sensing a first humidity value (RHchamber) of the first quantity of water vapor in the chamber; and a controller configured to inject a second quantity of water vapor into the chamber.Type: GrantFiled: October 15, 2018Date of Patent: April 6, 2021Assignee: 3M Innovative Properties CompanyInventors: Jay R. Goetz, Sherman L. Bartz, Barry W. Robole
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Patent number: 10966867Abstract: A push-in earplug including an elongate core and outer layer is disclosed. The outer layer includes a sound attenuating portion having a first average density and a stem portion having a second average density, and the second average density is greater than the first average density.Type: GrantFiled: September 1, 2017Date of Patent: April 6, 2021Assignee: 3M Innovative Properties CompanyInventors: James P. Endle, Jeffrey L. Hamer, Alan R. Seville, Kenneth F. Teeters
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Patent number: 10971468Abstract: Processes for automatic registration between a solid circuit die and electrically conductive interconnects, and articles or devices made by the same are provided. The solid circuit die is disposed on a substrate with contact pads aligned with channels on the substrate. Electrically conductive traces are formed by flowing a conductive liquid in the channels toward the contact pads to obtain the automatic registration.Type: GrantFiled: November 16, 2017Date of Patent: April 6, 2021Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Ankit Mahajan, Mikhail L. Pekurovsky, Matthew S. Stay, Daniel J. Theis, Ann M. Gilman, Shawn C. Dodds, Thomas J. Metzler, Matthew R. D. Smith, Roger W. Barton, Joseph E. Hernandez, Saagar A. Shah, Kara A. Meyers, James Zhu, Teresa M. Goeddel, Lyudmila A. Pekurovsky, Jonathan W. Kemling, Jeremy K. Larsen, Jessica Chiu, Kayla C. Niccum