Patents by Inventor David F. Slama
David F. Slama has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220184916Abstract: Coextruded polymeric layer having first and second opposed major surfaces, the coextruded polymeric layer comprising foam and the coextruded polymeric layer comprising features extending from or into the first major surface by at least 100 micrometers, the first major surface comprising a first material having a first percent elongation at break, the second major surface comprising a second material having a second percent elongation at break, wherein the first percent elongation at break is greater than 100 percent of the second percent elongation at break. Coextended polymeric layers described herein are useful, for example, in vibration damping applications (e.g., a vibration damping laminate comprising a kinetic spacer comprising the coextruded polymeric layers).Type: ApplicationFiled: March 11, 2020Publication date: June 16, 2022Inventors: David F. Slama, Garth V. Antila, Brent R. Hansen, Caitlin E. Meree
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Patent number: 11154959Abstract: The present disclosure relates to polishing pads which include a polishing layer, a porous substrate and an interfacial region. The present disclosure relates to a method of making the polishing pads. The present disclosure relates to a method of polishing a substrate, the method of polishing including: providing a polishing pad according to any one of the previous polishing pads; providing a substrate, contacting the working surface of the polishing pad with the substrate surface, moving the polishing pad and the substrate relative to one another while maintaining contact between the working surface of the polishing pad and the substrate surface, wherein polishing is conducted in the presence of a polishing solution.Type: GrantFiled: October 7, 2016Date of Patent: October 26, 2021Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Duy K. Lehuu, David F. Slama
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Publication number: 20200326118Abstract: A condensation management apparatus comprises a first microstructured film arranged to condense water vapor on a substantially vertical surface of a component. The first film comprises channels disposed on first and second major surfaces of the first film and dimensioned to support capillary movement of condensate. The channels have a channel axis substantially parallel with a longitudinal axis of the first film. The longitudinal axis of the first film is tilted at a tilt angle of at least 4 degrees with respect to an axis normal to a direction of gravity. Openings in the channels are disposed at one or both end edges of the first film. The openings provide condensate release locations of the first film. A second film is disposed over a portion of the first film. The second film attaches the first film to the substantially vertical surface of the component.Type: ApplicationFiled: December 21, 2018Publication date: October 15, 2020Inventors: Kurt J. Halverson, Steven P. Swanson, Garth V. Antila, Daniel R. Fronek, Caleb T. Nelson, David F. Slama
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Publication number: 20200230911Abstract: Polymeric foam layer having a thickness up to 25,700 micrometers, having first and second opposed major surfaces, and comprising foam features extending from or into the first major surface by at least 100 micrometers, and having a Tg in a range from ?125° C. to 150° C., wherein the first and second opposed major surfaces are free of exposed internal porous cells (i.e., less than 10 percent of the surface area of each of the first and second major surface has any exposed porous cells) and wherein at least 40 percent by area of each major surface has an as-cured surface; and methods of making the same. Exemplary uses of polymeric foam layers described herein including a finishing pad for silicon wafers and vibration damping.Type: ApplicationFiled: September 17, 2018Publication date: July 23, 2020Inventors: David F. Slama, Garth V. Antila, Brent R. Hansen, Thomas P. Hanschen, Jay M. Jennen, Jeffrey P. Kalish, Duy K. Lehuu, Jason D. McNulty, Caitlin E. Meree, Joseph D. Rule
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Publication number: 20200164484Abstract: An article includes a polishing layer that includes a plurality of raised cells separated by a plurality of channels. Each of the plurality of raised cells includes a microstructured working surface, a substantially vertical channel surface, and an offset surface between an edge of the working surface and an upper edge of the channel surface. The microstructured working surface includes a plurality of microstructures. Tops of the plurality of microstructures define a top plane and bases of the plurality of microstructures define a base plane. The substantially vertical channel surface defines a wall of a channel of the plurality of channels and the channel surface defines a channel plane. The offset surface includes a nonplanar portion of displaced material. The displaced material defines a displacement plane that is below the base plane or within a tolerance of the top plane.Type: ApplicationFiled: August 2, 2018Publication date: May 28, 2020Inventors: Kenneth A.P. Meyer, John J. Sullivan, Brian W. Lueck, Duy K. Lehuu, David J. Muradian, David F. Slama
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Publication number: 20190270271Abstract: Polymeric multilayer films having an array of openings extending between the first and second major surfaces of the film, and a thickness greater than 50 micrometers, wherein the openings each have a series of areas through the openings from the first and second major surfaces ranging from minimum to maximum areas, and wherein the minimum area is not at at least one of the major surfaces. Polymeric multilayer films described herein are useful, for example, for wound dressings and graphics films.Type: ApplicationFiled: November 8, 2017Publication date: September 5, 2019Inventors: David F. Slama, Garth V. Antila, Brent R. Hansen, Graham M. Clarke, Jeffrey O. Emslander, John J. Rogers, Jacob D. Young
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Publication number: 20180281148Abstract: The present disclosure relates to polishing pads which include a polishing layer, a porous substrate and an interfacial region. The present disclosure relates to a method of making the polishing pads. The present disclosure relates to a method of polishing a substrate, the method of polishing including: providing a polishing pad according to any one of the previous polishing pads; providing a substrate, contacting the working surface of the polishing pad with the substrate surface, moving the polishing pad and the substrate relative to one another while maintaining contact between the working surface of the polishing pad and the substrate surface, wherein polishing is conducted in the presence of a polishing solution.Type: ApplicationFiled: October 7, 2016Publication date: October 4, 2018Inventors: Duy K. Lehuu, David F. Slama
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Patent number: 9962851Abstract: Method of making a polymeric multilayer films (115) having an array of openings by coextrusion. Embodiments of polymeric multilayer films made as described herein are useful, for example, filtration and acoustic absorption.Type: GrantFiled: November 25, 2014Date of Patent: May 8, 2018Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: David F. Slama, Garth V. Antila, Brent R. Hansen
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Patent number: 9816679Abstract: Light assembly having reflector, light source, an outer light cover, and a curved transflective surface. Embodiments of light assemblies described herein are useful, for example, as signs, backlights, displays, task lighting, luminaire, and vehicle (e.g., cars, trucks, airplanes, etc.) components.Type: GrantFiled: October 29, 2015Date of Patent: November 14, 2017Assignee: 3M Innovative Properties CompanyInventors: Stephen K. Eckhardt, Barry S. Carpenter, David A. Ender, David J. Lundin, Mark E. Napierala, Jennifer J. Sahlin, David F. Slama, Karl A. Vick, John A. Wheatley
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Publication number: 20170165862Abstract: Method of making a polymeric multilayer films (115) having an array of openings by coextrusion. Embodiments of polymeric multilayer films made as described herein are useful, for example, filtration and acoustic absorption.Type: ApplicationFiled: November 25, 2014Publication date: June 15, 2017Inventors: David F. Slama, Garth V. Antila, Brent R. Hansen
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Publication number: 20170089495Abstract: A wire management article includes a base sheet and a plurality of wire management elements. The base sheet has a major surface from which the wire management elements project. The wire management elements define a plurality of channels. Each channel is configured to retain at least one wire. The wire management article may include a cover sheet releasably attached to the base sheet. The wire management article may be part of a wire management system.Type: ApplicationFiled: December 9, 2016Publication date: March 30, 2017Inventors: Douglas B. Gundel, Gerard A. Beauchesne, David F. Slama
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Patent number: 9551439Abstract: A wire management article includes a base sheet and a plurality of wire management elements. The base sheet has a major surface from which the wire management elements project. The wire management elements define a plurality of channels. Each channel is configured to retain at least one wire. The wire management article may include a cover sheet releasably attached to the base sheet. The wire management article may be part of a wire management system.Type: GrantFiled: March 15, 2010Date of Patent: January 24, 2017Assignee: 3M Innovative Properties CompanyInventors: Douglas B. Gundel, Gerard A. Beauchesne, David F. Slama
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Publication number: 20170001359Abstract: Polymeric multilayer film having first and second generally opposed major surfaces, and comprising first, second, and third layers, an array of blind openings between the first and second major surfaces, and an average thickness, wherein the first, second, and third layers each have a first average thickness excluding any thickness said first, second, and third layers having in any of the blind openings, wherein the first and second layers extend into the first average thickness of the third layer, wherein each of the first, second, and third layers each have a second average thickness (including a thickness of zero) in the blind holes, wherein the second average thickness of the first and third layers are each greater than zero, and wherein the ratio of the first average thickness of the second layer to the second average thickness of the second layer is at least 2.1; and method of making the same. Embodiments of polymeric multilayer film described herein are useful, for example, for acoustic absorption.Type: ApplicationFiled: December 9, 2014Publication date: January 5, 2017Inventors: David F. Slama, Garth V. Antila, Brent R. Hansen
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Publication number: 20160045846Abstract: Described herein are microperforated polymeric films comprising: opposed first and second surfaces separated by a first certain distance; and a plurality of channels perpendicular to the first and second surfaces, wherein a first opening of a channel intersects the first surface and a second opening of the channel intersects the second surface; wherein the diameter of the first opening is larger than the diameter of the second opening and the second openings on the second surface are spaced apart by a second certain distance; wherein the ratio of the first certain distance to the second certain distance is at least 0.25; and further wherein the second surface has an open area of at least 10%. Also described are methods of making and using such microperforated polymeric films.Type: ApplicationFiled: October 27, 2015Publication date: February 18, 2016Inventors: John B. Scheibner, Todd W. Johnson, Stephen C.P. Joseph, David F. Slama
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Publication number: 20160047521Abstract: Light assembly having reflector, light source, an outer light cover, and a curved transflective surface. Embodiments of light assemblies described herein are useful, for example, as signs, backlights, displays, task lighting, luminaire, and vehicle (e.g., cars, trucks, airplanes, etc.) components.Type: ApplicationFiled: October 29, 2015Publication date: February 18, 2016Inventors: Stephen K. Eckhardt, Barry S. Carpenter, David A. Ender, David J. Lundin, Mark E. Napierala, Jennifer J. Sahlin, David F. Slama, Karl A. Vick, John A. Wheatley
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Publication number: 20160023393Abstract: Method of making at least two distinct, separate polymeric films. Embodiments of polymeric multilayer film described herein are useful, for example, for filtration or acoustic absorption.Type: ApplicationFiled: March 4, 2014Publication date: January 28, 2016Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: David F. Slama, Garth V. Antila, Steven J. Flanagan, Brent R. Hansen, Thomas P. Hanschen
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Patent number: 9238203Abstract: Described herein are microperforated polymeric films comprising: opposed first and second surfaces separated by a first certain distance (40a); and a plurality of channels perpendicular to the first and second surfaces, wherein a first opening (20a-c) of a channel intersects the first surface and a second opening (22a-c) of the channel intersects the second surface; wherein the diameter of the first opening is larger than the diameter of the second opening and the second openings on the second surface are spaced apart by a second certain distance (50a); wherein the ratio of the first certain distance to the second certain distance is at least 0.25; and further wherein the second surface has an open area of at least 10%. Also described are methods of making and using such microperforated polymeric films.Type: GrantFiled: December 14, 2010Date of Patent: January 19, 2016Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: John B. Scheibner, Brent R. Hansen, David F. Slama
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Publication number: 20160009048Abstract: Polymeric multilayer film having first and second generally opposed major surfaces, an array of openings extending between the first and second major surfaces, and a thickness greater than 125 micrometers, wherein there are at least 30 openings/mm2, and wherein the openings each have a series of areas through the openings from the first and second major surfaces ranging from minimum to maximum areas, and wherein the minimum area is not at at least one of the major surfaces. Embodiments of polymeric multilayer film described herein are useful, for example, for filtration and acoustic absorption.Type: ApplicationFiled: March 4, 2014Publication date: January 14, 2016Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: David F. Slama, Garth V. Antila, Steven J. Flanagan, Brent R. Hansen
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Publication number: 20160001522Abstract: Polymeric multilayer film having first and second generally opposed major surfaces, adjacent first and second layers that are separable from each other, and an array of indentations extending into the first and second layers. Polymeric multilayer film having first and second generally opposed major surfaces, an array of openings extending between the first and second major surfaces, and at least first and second adjacent layers that are separable from each other, wherein the openings each have a series of areas through the openings from the first and second major surfaces ranging from minimum to maximum areas, and wherein the minimum area is not at at least one of the major surface. Embodiments of polymeric multilayer film described herein are useful, for example, for filtration and acoustic absorption.Type: ApplicationFiled: March 4, 2014Publication date: January 7, 2016Inventors: David F. SLAMA, Garth V. ANTILA, Steven J. FLANAGAN, Brent R. HANSEN, Thomas P. HANSCHEN
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Patent number: 9200775Abstract: Light assembly (10) having reflector (16), light source (18), an outer light cover (12), and a curved transflective surface (15). Embodiments of light assemblies described herein are useful, for example, as signs, backlights, displays, task lighting, luminaire, and vehicle (e.g., cars, trucks, airplanes, etc.) components. Vehicle comprising light assemblies include those where the light assembly is a vehicle tail light assembly.Type: GrantFiled: April 23, 2010Date of Patent: December 1, 2015Assignee: 3M Innovative Properties CompanyInventors: Stephen K. Eckhardt, Barry S. Carpenter, David A. Ender, David J. Lundin, Mark E. Napierala, Jennifer J. Sahlin, David F. Slama, Karl A. Vick, John A. Wheatley