Patents Represented by Attorney Kenneth B. Wood
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Patent number: 7902115Abstract: Herein are disclosed adducts of amines and polycarboxylic acids, and methods of making such adducts. Such adducts can be used to remove cyanogen chloride. Also disclosed are methods of providing such adducts on supports to form filter media. Also disclosed are methods of combining such filter media with catalysts and/or with porous polymeric webs to form filter systems.Type: GrantFiled: February 19, 2009Date of Patent: March 8, 2011Assignee: 3M Innovative Properties CompanyInventors: Duane D. Fansler, Allen R. Siedle, Zhongshu Tan, Thomas E. Wood
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Patent number: 7902096Abstract: A porous monocomponent nonwoven web contains a bimodal mass fraction/fiber size mixture of intermingled continuous microfibers and larger size fibers of the same polymeric composition. There are at least five times as many microfibers as larger size fibers, and a histogram of the mass fraction of fibers vs. fiber size exhibits a larger size fiber mode greater than 10 ?m. The web may be made by flowing fiber-forming material through a die cavity having larger size orifices and at least five times as many smaller size orifices to form filaments, attenuating the filaments into fibers and collecting the attenuated fibers to form the nonwoven web. The web is especially well suited to the manufacture of self-supporting three dimensional articles such as molded cup-shaped respirators and pleated air filters.Type: GrantFiled: July 31, 2006Date of Patent: March 8, 2011Assignee: 3M Innovative Properties CompanyInventors: John M. Brandner, William J. Kopecky, Seyed A. Angadjivand, James E. Springett, Timothy J. Lindquist
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Patent number: 7891305Abstract: A wall mountable shelving system includes a pair of support members, a storage tray extending between the support members, and stretch releasing adhesive strips arranged to secure the shelving system to the wall. Each support member includes a back plate and a frame member connected with the back plate, and each frame member includes at least a first support portion connected with and arranged generally perpendicular to the back plate, an extension portion arranged generally perpendicular to and extending from the first support portion, and a second support portion extending from the end of the extension portion and arranged generally parallel to the first support portion.Type: GrantFiled: September 4, 2007Date of Patent: February 22, 2011Assignee: 3M Innovative Properties CompanyInventors: Peter J. Newbould, Pasquale Cirulli
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Patent number: 7891041Abstract: A device that can be used to spread a thin, even coating of liquid material on a surface is provided. In one embodiment the device is adapted to be used to apply floor coating on a floor surface. The device is configured such that the applicator portion of the device applies a generally constant contact force on the surface, even when the force applied by the user on the tool varies.Type: GrantFiled: August 17, 2007Date of Patent: February 22, 2011Assignee: 3M Innovative Properties CompanyInventors: John J. Dyer, Mitchell T. Johnson, Erik J. Johnson
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Patent number: 7892384Abstract: A stretch releasing adhesive tape with an improved pull tab is disclosed. Methods are provided by which a single tab film may be adhered to an elongated strip of stretch releasing adhesive tape to form a manually engageable pull tab at a selected location. Such a pull tab may be foldable so as to comprise an unobtrusive visual appearance and may also be extendable so that the pull tab may be grasped to activate the stretch release.Type: GrantFiled: June 28, 2007Date of Patent: February 22, 2011Assignee: 3M Innovative Properties CompanyInventor: Joseph T. Bartusiak
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Patent number: 7888129Abstract: A method of obtaining a surface-enhanced optical property of an analyte using a flexible structured substrate having a metal layer conformably disposed on nanostructure, a flexible structured substrate, and a method of making the same.Type: GrantFiled: November 19, 2009Date of Patent: February 15, 2011Assignee: 3M Innovative Properties CompanyInventors: John C. Hulteen, Lisa A. Dick, Haiyan Zhang, William L. Stebbings
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Patent number: 7858163Abstract: A molded respirator is made from a monocomponent monolayer nonwoven web containing a bimodal mass fraction/fiber size mixture of intermingled continuous monocomponent polymeric microfibers and larger size fibers of the same polymeric composition. The respirator is a cup-shaped porous monocomponent monolayer matrix whose matrix fibers are bonded to one another at at least some points of fiber intersection. The matrix has a King Stiffness greater than 1 N. The respirator may be formed without requiring stiffening layers, bicomponent fibers, or other reinforcement in the filter media layer.Type: GrantFiled: July 31, 2006Date of Patent: December 28, 2010Assignee: 3M Innovative Properties CompanyInventors: Seyed A. Angadjivand, Andrew R. Fox, John D. Stelter, Timothy J. Lindquist, John M. Brandner, James E. Springett
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Patent number: 7857130Abstract: Kits are described wherefrom a single tab film may be adhered to an elongated strip of stretch releasing adhesive tape to form a manually engageable pull tab at a selected location. Such a pull tab may be foldable so as to comprise an unobtrusive visual appearance, and may also be extendable so that the pull tab may be grasped to activate the stretch release.Type: GrantFiled: June 28, 2007Date of Patent: December 28, 2010Assignee: 3M Innovative Properties CompanyInventor: Joseph T. Bartusiak
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Patent number: 7854817Abstract: Herein are disclosed methods and assemblies for mounting an article to a surface by a double-faced adhesive. At least one spacer is used that is deflectable upon the application of sufficient force. When in a first, undeflected condition, the spacer provides sufficient space between the mounting surface and the double-faced adhesive such that the double-faced adhesive does not contact the mounting surface, thus the position of the article can be adjusted. When in a second, deflected condition, the spacer allows the double-faced adhesive to contact the mounting surface such that a bond can be established between the double-faced adhesive and the mounting surface.Type: GrantFiled: May 29, 2008Date of Patent: December 21, 2010Assignee: 3M Innovative Properties CompanyInventor: Craig Thompson
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Patent number: 7854848Abstract: Herein are disclosed apparatus and methods that can be used to receive a volume of potable water from a source and to treat the volume of water so as to improve the perceived or actual aesthetic quality of the water, and to thereafter contain the treated water such that it can be used or consumed. In general, the apparatus comprises a container capable of receiving a volume of water, and a capture element within the container that is capable of removing at least a portion of such substances in the water as may be perceived as impacting water quality. The capture element comprises sorbent media that is capable of removing at least some portion of such undesirable substances, and that may comprise, for example, activated carbon and the like.Type: GrantFiled: September 18, 2008Date of Patent: December 21, 2010Assignee: 3M Innovative Properties CompanyInventors: Judd D. Olson, Robert J. Reuter, Mark R. Stouffer, Benjamin P. Williams
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Patent number: 7836540Abstract: Applicant discloses a broom that comprises at least one particle capture sheet. In various embodiments, the particle capture sheet can comprise a nonwoven material, a woven material, a knitted material, or a synthetic polymeric membrane. The particle capture sheet can be air permeable or air impermeable, and can comprise an electret material and/or an adhesive.Type: GrantFiled: August 2, 2007Date of Patent: November 23, 2010Assignee: 3M Innovative Properties CompanyInventors: Lloyd S. Vasilakes, Scott J. Tuman, Gretchen A. Hauble
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Patent number: 7824753Abstract: A stretch releasing adhesive tape is disclosed comprising a pull tab comprising a single tab film which is adhered to both adhesive surfaces of the stretch releasing adhesive tape. The pull tab is foldable so as to comprise an unobtrusive visual appearance, and may also be extendable so that the pull tab may be grasped to activate the stretch release.Type: GrantFiled: June 28, 2007Date of Patent: November 2, 2010Assignee: 3M Innovative Properties CompanyInventor: Joseph T. Bartusiak
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Patent number: 7802766Abstract: Herein are disclosed methods and assemblies for adhesively mounting an article to two walls that meet at an angle (e.g., a corner). The methods and assemblies use first and second mounting plates that are deflectably and removably attachable to the article, with the first mounting plate being adhesively attachable to a first wall (e.g., by a piece of double-faced adhesive), and the second mounting plate being adhesively attachable to the second wall.Type: GrantFiled: November 4, 2008Date of Patent: September 28, 2010Assignee: 3M Innovative Properties CompanyInventor: Craig D. Thompson
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Patent number: 7754041Abstract: A pleated filter is made from a monocomponent monolayer nonwoven web containing a bimodal mass fraction/fiber size mixture of intermingled larger size and smaller size continuous monocomponent polymeric fibers of the same polymeric composition. Rows of pleats are formed in the nonwoven web, and the pleated web is cut to a desired size and shape to provide a filter element containing a self-supporting porous monocomponent monolayer matrix of fibers bonded to one another at at least some points of fiber intersection and having an average initial submicron efficiency of at least 15% at a 1.52 meters/sec face velocity. The filter element is deformation resistant without requiring stiffening layers, bicomponent fibers or other reinforcing measures in the filter media layer.Type: GrantFiled: July 31, 2006Date of Patent: July 13, 2010Assignee: 3M Innovative Properties CompanyInventors: Andrew R. Fox, John D. Stelter, Seyed A. Angadjivand, Timothy J. Lindquist, John M. Brandner, James E. Springett
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Patent number: 7731878Abstract: A process of forming a microperforated plastic film includes providing a post tool having multiple posts, bringing plastic into contact with the post tool such that the plastic conforms to the shape of the posts, and solidifying the plastic into a solidified plastic film having a plurality of microperforations in the shape of the posts. Another step in the process is displacing any skins formed over the holes after solidifying the plastic. The process may be used to form a film for sound absorption where the posts are shaped and arranged to provide microperforations that provide a particular sound absorption spectrum. In one embodiment, the microperforations each have a narrowest diameter of 20 mils, a narrowest diameter less than a film thickness, and a widest diameter greater than narrowest diameter. The widest diameter may be about 125% or more of the narrowest diameter in an embodiment.Type: GrantFiled: December 17, 2004Date of Patent: June 8, 2010Assignee: 3M Innovative Properties CompanyInventor: Kenneth Brian Wood
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Patent number: 7727931Abstract: Use of physical vapor deposition methodologies to deposit nanoscale gold on activating support media makes the use of catalytically active gold dramatically easier and opens the door to significant improvements associated with developing, making, and using gold-based, catalytic systems. The present invention, therefore, relates to novel features, ingredients, and formulations of gold-based, heterogeneous catalyst systems generally comprising nanoscale gold deposited onto a nanoporous support.Type: GrantFiled: September 23, 2004Date of Patent: June 1, 2010Assignee: 3M Innovative Properties CompanyInventors: Larry A. Brey, Thomas E. Wood, Gina M. Buccellato, Marvin E. Jones, Craig S. Chamberlain, Allen R. Siedle
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Patent number: 7686132Abstract: A new acoustic insulating sheet material comprises in laminar assembly a) a primary sound absorbing sheet, and b) a dense porous membrane that i) has an air-flow resistance of about 5000 rayls or less and ii) has an Acoustic Value Ratio as defined herein of at least 3000. Preferably, the membrane is about 200 micrometers or less in thickness, and more preferably is about 150 micrometers or less in thickness. Also, the Acoustic Value Ratio is preferably at least 7,000. The described membrane can also be used alone to acoustically insulate a space, e.g., by mounting it in planar array over an air gap and in position to attenuate noise from a noise source.Type: GrantFiled: December 29, 2005Date of Patent: March 30, 2010Assignee: 3M Innovative Properties CompanyInventors: David A. Olson, Gerald L. Van Dam
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Patent number: 7686996Abstract: An apparatus and methods for flame-perforating films. A preferred embodiment of the apparatus includes a frame, support surface attached to the frame, where the support surface includes a plurality of lowered portions, a burner attached to the frame opposite the support surface, where the burner supports a flame, and where the flame includes a flame tip opposite the burner and a film contacting the support surface, where the flame of the burner is in contact with the film, where the burner is positioned such that the distance between an unimpinged flame tip of the flame and the burner is at least one-third greater than the distance between the film and the burner.Type: GrantFiled: January 31, 2006Date of Patent: March 30, 2010Assignee: 3M Innovative Properties CompanyInventors: Mark A. Strobel, Michael J. Ulsh, Joel A. Getschel
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Patent number: 7665256Abstract: A method and apparatus for creating firestopping barrier in a partition, such as a wall, floor, or ceiling, that is mounted adjacent the opening includes a housing containing a central opening. The cross-sectional area of the housing is greater than the cross-sectional area of the through-penetration opening, and the housing is arranged external to the through-penetration opening with at least a portion thereof extending along a surface of the partition thereby to allow the housing to be installed adjacent the through-penetration opening. Firestop material is arranged within the housing.Type: GrantFiled: August 24, 2004Date of Patent: February 23, 2010Assignee: 3M Innovative Properties CompanyInventors: Stephen A. Miller, Brandon L. Cordts
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Patent number: 7651863Abstract: A method of obtaining a surface-enhanced optical property of an analyte using a flexible structured substrate having a metal layer conformably disposed on nanostructure, a flexible structured substrate, and a method of making the same.Type: GrantFiled: July 14, 2005Date of Patent: January 26, 2010Assignee: 3M Innovative Properties CompanyInventors: John C. Hulteen, Lisa A. Dick, Haiyan Zhang, William L. Stebbings