Patents by Inventor Wendi J. Winkler
Wendi J. Winkler 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: 20200009843Abstract: A method of making a microstructured adhesive article that includes (a) providing an article comprising a crosslinked pressure sensitive adhesive layer disposed on a backing; and (b) embossing the surface of the crosslinked pressure sensitive adhesive layer to form a crosslinked pressure sensitive adhesive layer having a microstructured adhesive surface.Type: ApplicationFiled: August 27, 2019Publication date: January 9, 2020Inventors: Audrey A. Sherman, Wendi J. Winkler, Mieczyslaw H. Mazurek, Henry Garcia, Daniel Toro
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Patent number: 10279069Abstract: A shape memory polymer article is disclosed. The article may include a surface having a microstructure and it may include a shape memory polymer. The shape memory polymer may include a copolymer network. The copolymer network may be formed from the reaction product of a free radically polymerizable siloxane having greater than one functional free radically polymerizable group and at least one (meth)acrylate monomer.Type: GrantFiled: November 15, 2011Date of Patent: May 7, 2019Assignee: 3M Innovative Properties CompanyInventors: Mieczyslaw H. Mazurek, Robert K. Galkiewicz, Audrey A. Sherman, James R. Starkey, Wendi J. Winkler, Haiyan Zhang, Jeffrey M. Olofson
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Patent number: 10228507Abstract: Disclosed herein is an optical device having a light source and a viscoelastic lightguide. Light from the light source enters the viscoelastic lightguide and is transported within the lightguide by total internal reflection. The viscoelastic lightguide may comprise a pressure sensitive adhesive. The optical device may be used in a variety of constructions wherein the device emits light being transported within the viscoelastic lightguide. Constructions include those used for signs, markings, illumination devices, display devices, keypad assemblies and tail light assemblies for vehicles.Type: GrantFiled: February 21, 2017Date of Patent: March 12, 2019Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Michael A. Meis, Kevin R. Schaffer, Marie A. Boulos, Soemantri Widagdo, Thu-Van T. Tran, Ellen O. Aeling, Patrick J. Yeshe, Wendi J. Winkler
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Patent number: 9944835Abstract: Non-silicone urea-based adhesives are disclosed which are prepared by the polymerization of reactive oligomers with the general formula X—B—X, where X is an ethylenically unsaturated group and B is a unit free of silicone and containing urea groups. The reactive oligomers can be prepared from polyamines through chain extension reactions using diaryl carbonates followed by capping reactions. Adhesive articles, including optical adhesive articles may be prepared using the disclosed non-silicone urea-based adhesives.Type: GrantFiled: January 20, 2016Date of Patent: April 17, 2018Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Wendi J. Winkler, Scott M. Tapio, Robert J. Reuter, James P. DiZio
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Publication number: 20170227702Abstract: Disclosed herein is an optical device having a light source and a viscoelastic lightguide. Light from the light source enters the viscoelastic lightguide and is transported within the lightguide by total internal reflection. The viscoelastic lightguide may comprise a pressure sensitive adhesive. The optical device may be used in a variety of constructions wherein the device emits light being transported within the viscoelastic lightguide. Constructions include those used for signs, markings, illumination devices, display devices, keypad assemblies and tail light assemblies for vehicles.Type: ApplicationFiled: February 21, 2017Publication date: August 10, 2017Inventors: Audrey A. Sherman, Michael A. Meis, Kevin R. Schaffer, Marie A. Boulos, Soemantri Widagdo, Thu-Van T. Tran, Ellen O. Aeling, Patrick J. Yeshe, Wendi J. Winkler
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Publication number: 20170057211Abstract: A method of making a microstructured adhesive article that includes (a) providing an article comprising a crosslinked pressure sensitive adhesive layer disposed on a backing; and (b) embossing the surface of the crosslinked pressure sensitive adhesive layer to form a crosslinked pressure sensitive adhesive layer having a microstructured adhesive surface.Type: ApplicationFiled: November 10, 2016Publication date: March 2, 2017Inventors: Audrey A. Sherman, Wendi J. Winkler, Mieczyslaw H. Mazurek, Henry Garcia, Daniel Toro
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Patent number: 9555602Abstract: A method of making a microstructured adhesive article that includes (a) providing an article comprising a crosslinked pressure sensitive adhesive layer disposed on a backing; and (b) embossing the surface of the crosslinked pressure sensitive adhesive layer to form a crosslinked pressure sensitive adhesive layer having a microstructured adhesive surface.Type: GrantFiled: March 10, 2006Date of Patent: January 31, 2017Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Wendi J. Winkler, Mieczyslaw H. Mazurek, Henri Garcia, Daniel Toro
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Publication number: 20160298000Abstract: Methods of making cut adhesive articles are described. The methods involve: providing a crosslinked pressure sensitive adhesive layer disposed on a substrate, embossing a surface of the crosslinked pressure sensitive adhesive layer to form a microstructured crosslinked pressure sensitive adhesive layer having a microstructured adhesive surface, and die cutting the microstructured crosslinked pressure sensitive adhesive layer.Type: ApplicationFiled: June 16, 2016Publication date: October 13, 2016Inventors: Audrey A. Sherman, Jayshree Seth, Wendi J. Winkler
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Patent number: 9394466Abstract: Methods of making cut adhesive articles are described. The methods involve: providing a crosslinked pressure sensitive adhesive layer disposed on a substrate, embossing a surface of the crosslinked pressure sensitive adhesive layer to form a microstructured crosslinked pressure sensitive adhesive layer having a microstructured adhesive surface, and die cutting the microstructured crosslinked pressure sensitive adhesive layer.Type: GrantFiled: April 9, 2009Date of Patent: July 19, 2016Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Jayshree Seth, Wendi J. Winkler
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Patent number: 9359531Abstract: Temporarily repositionable pressure sensitive adhesive compositions which are blends of a silicone-modified pressure sensitive adhesive component, a high Tg polymer component and a crosslinker are presented. The silicone-modified pressure sensitive adhesive includes a copolymer that is the reaction product of an acidic or basic monomer, a (meth)acrylic or vinyl monomer, and a silicone macromer. The high Tg polymer component contains acid or base functionality such that when mixed, the silicone-modified pressure sensitive adhesive component and the high Tg polymer component form an acid-base interaction.Type: GrantFiled: January 19, 2009Date of Patent: June 7, 2016Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Wendi J. Winkler
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Publication number: 20160137893Abstract: Non-silicone urea-based adhesives are disclosed which are prepared by the polymerization of reactive oligomers with the general formula X—B—X, where X is an ethylenically unsaturated group and B is a unit free of silicone and containing urea groups. The reactive oligomers can be prepared from polyamines through chain extension reactions using diaryl carbonates followed by capping reactions. Adhesive articles, including optical adhesive articles may be prepared using the disclosed non-silicone urea-based adhesives.Type: ApplicationFiled: January 20, 2016Publication date: May 19, 2016Inventors: Audrey A. Sherman, Wendi J. Winkler, Scott M. Tapio, Robert J. Reuter, James P. DiZio
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Patent number: 9285531Abstract: Disclosed herein is an optical device including a light source and an optical article. The optical article includes a lightguide and a viscoelastic layer disposed on the lightguide. Light emitted by the light source enters the lightguide and is transported within the lightguide by total internal reflection. The viscoelastic layer manages light, for example, at least about 50%, or less than about 10%, of light that enters the lightguide may be extracted. The optical device can be used in a variety of constructions for signs, markings, display devices, keypad assemblies, tail light assemblies and illumination devices.Type: GrantFiled: July 30, 2009Date of Patent: March 15, 2016Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Audrey A. Sherman, Michael A. Meis, Marie A. Boulos, Kevin R. Schaffer, Wendi J. Winkler
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Patent number: 9266989Abstract: Non-silicone urea-based adhesives are disclosed which are prepared by the polymerization of reactive oligomers with the general formula X—B—X, where X is an ethylenically unsaturated group and B is a unit free of silicone and containing urea groups. The reactive oligomers can be prepared from polyamines through chain extension reactions using diaryl carbonates followed by capping reactions. Adhesive articles, including optical adhesive articles may be prepared using the disclosed non-silicone urea-based adhesives.Type: GrantFiled: December 12, 2008Date of Patent: February 23, 2016Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Wendi J. Winkler, Scott M. Tapio, Robert J. Reuter, James P. DiZio
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Patent number: 9228117Abstract: Optically clear stretch releasing pressure sensitive adhesive films containing a silicone pressure sensitive adhesive composition and a tacky tab are provided. The pressure sensitive adhesive compositions are formed from elastomeric silicone polymer selected from the group consisting of urea-based silicone copolymers, oxamide-based silicone copolymers, amide-based silicone copolymers, urethane-based silicone copolymers, polydiorganosiloxane polymers, or mixtures of these copolymers. The pressure sensitive adhesive compositions may also contain an MQ tackifying resin. The pressure sensitive adhesive compositions may be used to form adhesive articles.Type: GrantFiled: January 5, 2009Date of Patent: January 5, 2016Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Scott M. Tapio, Wendi J. Winkler
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Publication number: 20140106267Abstract: A method of forming an image having multiple phases is disclosed herein. The method includes forming exposed and unexposed areas, the exposed areas comprising a first polymer network exhibiting first and second phases that are chemically connected and have different refractive indices, the first phase being continuous, and the second phase comprising a plurality of structures dispersed within the first phase, and the unexposed areas comprising a second polymer network comprising third and fourth phases that are chemically connected and have different refractive indices, the third phase being continuous, and the fourth phase comprising a plurality of structures dispersed within the third phase. The first and second polymer networks are chemically connected, and morphology formed by the first and second phases is different than that formed by the third and fourth phases.Type: ApplicationFiled: December 18, 2013Publication date: April 17, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Mieczyslaw H. Mazurek, Raymond P. Johnston, John E. Potts, Marc D. Radcliffe, Kevin R. Schaffer, Audrey A. Sherman, Wendi J. Winkler
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Patent number: 8691391Abstract: Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydioroganosiloxane polyoxamide block copolymers are of the (AB)n type.Type: GrantFiled: June 26, 2013Date of Patent: April 8, 2014Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Richard G. Hansen, Wendi J. Winkler, Charles M. Leir, Mieczyslaw H. Mazurek, Karl E. Benson, Mark D. Purgett, Albert I. Everaerts
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Patent number: 8637226Abstract: A method of forming an image having multiple phases is disclosed herein. The method includes forming exposed and unexposed areas, the exposed areas comprising a first polymer network exhibiting first and second phases that are chemically connected and have different refractive indices, the first phase being continuous, and the second phase comprising a plurality of structures dispersed within the first phase, and the unexposed areas comprising a second polymer network comprising third and fourth phases that are chemically connected and have different refractive indices, the third phase being continuous, and the fourth phase comprising a plurality of structures dispersed within the third phase. The first and second polymer networks are chemically connected, and morphology formed by the first and second phases is different than that formed by the third and fourth phases.Type: GrantFiled: February 8, 2012Date of Patent: January 28, 2014Assignee: 3M Innovative Properties CompanyInventors: Mieczyslaw H. Mazurek, Raymond P. Johnston, John E. Potts, Marc D. Radcliffe, Kevin R. Schaffer, Audrey A. Sherman, Wendi J. Winkler
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Publication number: 20130288053Abstract: Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydioroganosiloxane polyoxamide block copolymers are of the (AB)n type.Type: ApplicationFiled: June 26, 2013Publication date: October 31, 2013Inventors: Audrey A. Sherman, Richard G. Hansen, Wendi J. Winkler, Charles M. Leir, Mieczyslaw H. Mazurek, Karl E. Benson, Mark D. Purgett, Albert I. Everaerts
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Patent number: 8492486Abstract: Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydioroganosiloxane polyoxamide block copolymers are of the (AB)n type.Type: GrantFiled: August 2, 2012Date of Patent: July 23, 2013Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Richard G. Hansen, Wendi J. Winkler, Charles M. Leir, Mieczyslaw H. Mazurek, Karl E. Benson, Mark D. Purgett, Albert I. Everaerts
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Patent number: 8343633Abstract: A method of modifying light is disclosed and includes: providing an optical element having an oriented polymer network of a silicone(meth)acrylate copolymer and exhibiting a first phase and a second phase, the first phase and the second phase being chemically connected and having different refractive indices, the first phase being continuous, and the second phase comprising a plurality of structures dispersed within the first phase; illuminating the optical element with light from a light source; and detecting polarized or directionally diffused light transmitted by the optical element. Optical elements including the polymer network and a variety of additional layers are also disclosed, as are optical devices such as prisms, display panels, lenses, and the like.Type: GrantFiled: July 6, 2011Date of Patent: January 1, 2013Assignee: 3M Innovative Properties CompanyInventors: Mieczyslaw H. Mazurek, Robert L. Brott, David J. Kinning, Yufeng Liu, John E. Potts, Kevin R. Schaffer, Audrey A. Sherman, Wendi J. Winkler