Patents by Inventor Mitchell A. F. Johnson
Mitchell A. F. Johnson 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: 20160103270Abstract: Optical films, optical stacks including the optical films, and display systems including the optical films are described. The optical film includes a first major surface that may include a plurality of first microstructures that extend along a first direction. The optical film also includes a second major surface that is opposite to the first major surface and includes a plurality of second microstructures. The second major surface has an optical haze that is not greater than about 3% and an optical clarity that is not greater than about 85%.Type: ApplicationFiled: November 24, 2015Publication date: April 14, 2016Inventors: Joseph T. Aronson, Slah Jendoubi, Mitchell A.F. Johnson, Scott R. Kaytor, Tri D. Pham, Robert A. Yapel, Joseph A. Zigal, Steven J. McMan, Steven D. Solomonson, Steven Hin-Chung Kong, Fei Lu, Gary T. Boyd
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Patent number: 9229239Abstract: Light redirecting film is disclosed. The light redirecting film includes a first major surface that includes a plurality of first microstructures that extend along a first direction. The light redirecting film also includes a second major surface that is opposite to the first major surface and includes a plurality of second microstructures. The second major surface has an optical haze that is not greater than about 3% and an optical clarity that is not greater than about 85%. The light redirecting film has an average effective transmission that is not less than about 1.75.Type: GrantFiled: February 21, 2014Date of Patent: January 5, 2016Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Joseph T. Aronson, Slah Jendoubi, Mitchell A. F. Johnson, Scott R. Kaytor, Tri D. Pham, Robert A. Yapel, Joseph A. Zigal, Steven J. McMan, Steven D. Solomonson, Steven Hin-Chung Kong, Fei Lu, Gary T. Boyd
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Publication number: 20150353777Abstract: Articles comprising: (1) a sheet having a first surface and a second surface and (2) an separation layer on at least a portion of the first surface, wherein the separation layer comprising (a) a binder layer with particles entrained therein and (b) an overcoat. Also methods for making such articles and methods for using such articles.Type: ApplicationFiled: December 27, 2013Publication date: December 10, 2015Inventors: Andrew J. CALLINAN, David M. MAHLI, Mitchell A.F. JOHNSON
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Publication number: 20150321498Abstract: A note sheet comprising: (1) a substrate having a first main face and a second main face; (2) a writing receptive layer on the first main face of the substrate, the writing receptive layer having an exposed face or writing surface having a fine relief structure; and (3) at least one segment of repositionable pressure-sensitive adhesive layer on at least a portion of the second main face; wherein the substrate and writing receptive layer having a visible transmittance of at least about 80% and a haze of not more than about 60%. Also a method for making such sheets.Type: ApplicationFiled: November 27, 2013Publication date: November 12, 2015Inventors: Atsushi TOYOTA, Robert A. YAPEL, Mitchell A.F. JOHNSON, David M. MAHLI, Frederick J. GUSTAFSON, Lan H. LIU, Yu YANG
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Patent number: 8993059Abstract: Methods of forming patterned coatings are disclosed. The methods include the steps of disposing a composition onto a substrate to form a liquid coating on the substrate and providing or removing energy through a first pattern of areas on the coated film to form a morphologically patterned coating, the morphological pattern corresponding to the first pattern of areas.Type: GrantFiled: February 14, 2006Date of Patent: March 31, 2015Assignee: 3M Innovative Properties, CompanyInventors: Peter E. Price, William B. Kolb, Mikhail L. Pekurovsky, Steven D. Solomonson, Mitchell A. F. Johnson
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Patent number: 8888333Abstract: Light redirecting film is disclosed. The light redirecting film includes a first major surface that includes a plurality of first microstructures that extend along a first direction. The light redirecting film also includes a second major surface that is opposite to the first major surface and includes a plurality of second microstructures. The second major surface has an optical haze that is in a range from about 4% to about 20% and an optical clarity that is in a range from about 20% to about 60%. The light redirecting film has an average effective transmission that is not less than about 1.55.Type: GrantFiled: August 11, 2010Date of Patent: November 18, 2014Assignee: 3M Innovative Properties CompanyInventors: Robert A. Yapel, Mitchell A. F. Johnson, Tri D. Pham, Joseph T. Aronson, Steven D. Solomonson, Scott R. Kaytor, Steven J. McMan, Fei Lu, Steven H. Kong, Slah Jendoubi, Gary T. Boyd
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Publication number: 20140329012Abstract: Cleanable articles having overcoats with hydrophilic front surfaces and which are siloxane-bonded to an underlying body member. Also, methods of making and using such articles.Type: ApplicationFiled: December 28, 2012Publication date: November 6, 2014Inventors: David M. Mahli, Robert A. Yapel, Justin A. Riddle, Mitchell A.F. Johnson, Moses M. David, Frederick J. Gustafson, Lan H. Liu, Yu Yang, Naiyong Jing, Caleb T. Nelson
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Publication number: 20140313587Abstract: Light redirecting film is disclosed. The light redirecting film includes a first major surface that includes a plurality of first microstructures that extend along a first direction. The light redirecting film also includes a second major surface that is opposite to the first major surface and includes a plurality of second microstructures. The second major surface has an optical haze that is not greater than about 3% and an optical clarity that is not greater than about 85%. The light redirecting film has an average effective transmission that is not less than about 1.75.Type: ApplicationFiled: February 21, 2014Publication date: October 23, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Joseph T. Aronson, Slah Jendoubi, Mitchell A.F. Johnson, Scott R. Kaytor, Tri D. Pham, Robert A. Yapel, Joseph A. Zigal, Steven J. McMan, Steven D. Solomonson, Steven Hin-Chung Kong, Fei Lu, Gary T. Boyd
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Patent number: 8858807Abstract: A process for making a microneedle array master comprises: (a) providing a photoreactive composition, the photoreactive composition comprising: (1) at least one reactive species that is capable of undergoing an acid- or radical-initiated chemical reaction, and (2) at least one multiphoton photoinitiator system; and (b) imagewise exposing at least a portion of the composition to light sufficient to cause simultaneous absorption of at least two photons, thereby inducing at least one acid- or radical-initiated chemical reaction where the composition is exposed to the light, the imagewise exposing being carried out in a pattern that is effective to define at least the surface of a plurality of microneedles. The microneedles may be solid and the outer surface of the microneedles may be characterized by at least one concave area. The master may be used to fabricate a tool for replication.Type: GrantFiled: March 23, 2007Date of Patent: October 14, 2014Assignee: 3M Innovative Properties CompanyInventors: Robert J. DeVoe, Dennis E. Ferguson, Franklyn L. Frederickson, Mitchell A. F. Johnson, Mikhail L. Pekurovsky, Craig R. Sykora, Jeremy K. Larsen
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Publication number: 20140057058Abstract: A system and a method for providing a film having a matte finish. The system includes means for providing a coated substrate, the coated substrate comprising a first coatable material applied to a substrate, the coatable material forming a first major surface of the coated substrate; means for changing the viscosity of the first coatable material from a first viscosity to a second viscosity; a face-side roller having an outer surface positioned to contact the first major surface of the coated substrate to impart a matte finish thereon; and optionally, means for hardening the first coatable material.Type: ApplicationFiled: October 29, 2013Publication date: February 27, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Robert A. Yapel, Francis M. Aguirre, John P. Baetzold, Olester Benson, JR., Andrew J. Henderson, Mitchell A.F. Johnson, Leslie A. Todero, Steven J. McMan, David L. Phillips, Bruce D. Shalles
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Patent number: 8657472Abstract: A light redirecting film (100) includes a first major surface (110) that includes first microstructures (150) that extend along a first direction and a second major surface (120), which may form part of a matte layer, the second major surface being opposite to the first major surface and including second microstructures (160). The second major surface has an optical haze that is not greater than about 3% and an optical clarity that is not greater than about 85%. The light redirecting film has an average effective transmission that is not less than about 1.75. The light redirecting film (100) may comprise particles. The second microstructures may have a slope distribution.Type: GrantFiled: May 25, 2010Date of Patent: February 25, 2014Assignee: 3M Innovative Properties CompanyInventors: Joseph T. Aronson, Slah Jendoubi, Mitchell A. F. Johnson, Scott R. Kaytor, Tri D. Pham, Robert A. Yapel, Joseph A. Zigal, Steven J. McMan, Steven D. Solomonson, Steven H. Kong, Fei Lu, Gary T. Boyd
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Patent number: 8623140Abstract: A system and a method for providing a film having a matte finish. The system includes means for providing a coated substrate, the coated substrate comprising a first coatable material applied to a substrate, the coatable material forming a first major surface of the coated substrate; means for changing the viscosity of the first coatable material from a first viscosity to a second viscosity; a face-side roller having an outer surface positioned to contact the first major surface of the coated substrate to impart a matte finish thereon; and optionally, means for hardening the first coatable material.Type: GrantFiled: July 25, 2007Date of Patent: January 7, 2014Assignee: 3M Innovative Properties CompanyInventors: Robert A. Yapel, Francis M. Aguirre, John P. Baetzold, Olester Benson, Jr., Andrew J. Henderson, Mitchell A. F. Johnson, Leslie A. Kreilich, Steven J. McMan, David L. Phillips, Bruce D. Shalles
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Publication number: 20130243972Abstract: A method for coating a work piece with resin including applying a controlled volume of liquid resin to the work piece with an applicator and allowing consecutive streams of resin to meld together to form a self leveling surface. The resin can be actively or passively cured. The work piece can be planar or cylindrical.Type: ApplicationFiled: May 8, 2013Publication date: September 19, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: JAMES M. NELSON, MITCHELL A. F. JOHNSON, WILLIAM BLAKE KOLB, PATRICK R. FLEMING, PAUL E. HUMPAL, CHIEU S. NGUYEN, CHARLES A. EVERTZ, JACK W. LAI, MIKHAIL L. PEKUROVSKY
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Patent number: 8460754Abstract: A method for coating a work piece with resin including applying a controlled volume of liquid resin to the work piece with an applicator and allowing consecutive streams of resin to meld together to form a self leveling surface. The resin can be actively or passively cured. The work piece can be planar or cylindrical.Type: GrantFiled: December 21, 2009Date of Patent: June 11, 2013Assignee: 3M Innovative Properties CompanyInventors: James M. Nelson, Mitchell A. F. Johnson, William B. Kolb, Patrick R. Fleming, Paul E. Humpal, Chieu S. Nguyen, Charles A. Evertz, Jack W. Lai, Mikhail L. Pekurovsky
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Publication number: 20130070341Abstract: Optical films for redirecting light are described, and optical systems, such as display systems, incorporating such optical films are described.Type: ApplicationFiled: May 17, 2011Publication date: March 21, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Robert A. Yapel, Joseph T. Aronson, Matthew R.C. Atkinson, Gary T. Boyd, Slah Jendoubi, Mitchell A.F. Johnson, Scott R. Kaytor, Steven H. Kong, Fei Lu, Tri D. Pham, Robert B. Secor, Steven D. Solomonson
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Publication number: 20130038939Abstract: The present invention concerns antireflective films comprising a high refractive index layer (60) and low refractive index layer (80) disposed on the high refractive index layer. The antireflective films have a microstructured surface (70) that can be derived from a microreplicated tool.Type: ApplicationFiled: May 3, 2011Publication date: February 14, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Christopher B. Walker, JR., Christopher P. Tebow, Tri D. Pham, Steven H. Kong, Joseph T. Aronson, Kyle J. Lindstrom, Michael K. Gerlach, Michelle L. Toy, Taun L. McKenzie, Anthony M. Renstrom, Robert A. Yapel, Mitchell A.F. Johnson
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Publication number: 20120147593Abstract: Light redirecting film is disclosed. The light redirecting film includes a first major surface that includes a plurality of first microstructures that extend along a first direction. The light redirecting film also includes a second major surface that is opposite to the first major surface and includes a plurality of second microstructures. The second major surface has an optical haze that is in a range from about 4% to about 20% and an optical clarity that is in a range from about 20% to about 60%. The light redirecting film has an average effective transmission that is not less than about 1.55.Type: ApplicationFiled: August 11, 2010Publication date: June 14, 2012Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Robert A. Yapel, Mitchell A.F. Johnson, Tri D. Pham, Joseph T. Aronson, Steven D. Solomonson, Scott R. Kaytor, Steven J. Mcman, Fei Lu, Steven H. Kong, Stah Jendoubi, Gary T. Boyd
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Patent number: 8182871Abstract: Methods of forming patterned coatings are disclosed. The methods include the steps of disposing a composition onto a substrate to form a liquid coating on the substrate and removing or providing energy through a first pattern of areas on the liquid coating to form a topographically patterned coating, the topographical pattern corresponding to the first pattern of areas.Type: GrantFiled: February 9, 2006Date of Patent: May 22, 2012Assignee: 3M Innovative Properties CompanyInventors: Peter E. Price, William B. Kolb, Mikhail L. Pekurovsky, Steven D. Solomonson, Mitchell A. F. Johnson
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Publication number: 20120113622Abstract: A light redirecting film (100) includes a first major surface (110) that includes first microstructures (150) that extend along a first direction and a second major surface (120), which may form part of a matte layer, the second major surface being opposite to the first major surface and including second microstructures (160). The second major surface has an optical haze that is not greater than about 3% and an optical clarity that is not greater than about 85%. The light redirecting film has an average effective transmission that is not less than about 1.75. The light redirecting film (100) may comprise particles. The second microstructures may have a slope distribution.Type: ApplicationFiled: December 9, 2010Publication date: May 10, 2012Inventors: Joseph T. Aronson, Slah Jendoubi, Mitchell A. F. Johnson, Scott R. Kaytor, Tri D. Pham, Robert A. Yapel, Joseph A. Zigal, Steven J. McMan, Steven D. Solomonson, Steven H. Kong, Fei Lu, Gary T. Boyd
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Publication number: 20120064296Abstract: The present invention concerns antiglare films having a microstructured surface.Type: ApplicationFiled: May 28, 2010Publication date: March 15, 2012Inventors: Christopher B. Walker, JR., Christopher P. Tebow, Tri D. Pham, Steven H. Kong, Joseph T. Aronson, Kyle J. Lindstrom, Michael K. Gerlach, Michelle L. Toy, Taun L. McKenzie, Anthony M. Renstrom, Slah Jendoubi, Mitchell A.F. Johnson, Scott R. Kaytor, Robert A. Yapel, Joseph A. Zigal, Steven J. McMan, Steven D. Solomonson, Fei Lu, Gary T. Boyd