Patents by Inventor Kevin M. Hamer
Kevin M. Hamer 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: 20220252772Abstract: Infrared reflectors are described. In particular, infrared reflectors with reduced off-axis color are described. Such infrared reflectors may be useful in laminated glass constructions, particularly for applications where the glass may be exposed to water.Type: ApplicationFiled: April 28, 2022Publication date: August 11, 2022Inventors: Christopher A. Haak, Timothy J. Nevitt, Kevin M. Hamer, Raghunath Padiyath, Neeraj Sharma, Gregory F. King, William C. Pettit, III, Ronald K. Thery, Richard Yufeng Liu
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Publication number: 20220213351Abstract: An oriented heat-treated principal film capable of thermally-induced self-forming, including one or more (co)polymers and exhibiting a relaxation temperature (Tr), the oriented heat-treated principal film having opposed first and second major faces, a land portion on the second major face and one or more modification zones on the second major face. A cross-linked (co)polymeric carrier layer is in contact with the first major face. Each modification zone includes a central closed portion and a rim portion surrounding the central closed portion and being surrounded by a land portion. An average thickness of each rim portion is greater than an average thickness of the land portion surrounding the central closed portion. An average thickness of each central closed portion is less than the average thickness of the land portion surrounding the central portion. Methods for making such films and adhesive articles comprising such films are also disclosed.Type: ApplicationFiled: May 22, 2020Publication date: July 7, 2022Inventors: Joel A. Getschel, Aniruddha A. Upadhye, Mark A. Strobel, Taylor J. Kobe, Steven J. McMan, Alan K. Nachtigal, Kevin M. Hamer
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Patent number: 11346987Abstract: Infrared reflectors are described. In particular, infrared reflectors with reduced off-axis color are described. Such infrared reflectors may be useful in laminated glass constructions, particularly for applications where the glass may be exposed to water.Type: GrantFiled: March 11, 2020Date of Patent: May 31, 2022Assignee: 3M Innovative Properties CompanyInventors: Christopher A. Haak, Timothy J. Nevitt, Kevin M. Hamer, Raghunath Padiyath, Neeraj Sharma, Gregory F. King, William C. Pettit, III, Ronald K. Thery, Richard Yufeng Liu
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Patent number: 11292934Abstract: A fluoropolymer coating composition is described comprising an aqueous liquid medium, fluoropolymer particles dispersed in the aqueous liquid medium, and at least one aziridine compound. The aziridine compound comprises at least two aziridine groups (i.e. polyaziridine) or at least one aziridine group and at least one alkoxy silane group. In another embodiment, an article is described comprising a substrate wherein a surface of the substrate comprises a coating comprising fluoropolymer particles; and a reaction product of at least one aziridine compound comprising at least two aziridine groups or at least one aziridine group and at least one alkoxy silane group. The coating can be utilized as a primer for bonding a non-fluorinated substrate to a fluoropolymer film and/or the coating can be used as an (e.g. outer exposed) surface layer. In some embodiments, the article may be the (e.g. backside) film of a photovoltaic module.Type: GrantFiled: November 26, 2019Date of Patent: April 5, 2022Assignee: 3M Innovative Properties CompanyInventors: Naiyong Jing, Kevin M. Hamer, Jeffrey A. Peterson, Thomas J. Blong, Timothy D. Fletcher, Michael Juergens, Mark W. Muggli, Gezahegn D. Damte
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Publication number: 20220043195Abstract: Infrared reflectors are described. In particular, infrared reflectors with reduced off-axis color are described. Such infrared reflectors may be useful in laminated glass constructions, particularly for applications where the glass may be exposed to water.Type: ApplicationFiled: March 11, 2020Publication date: February 10, 2022Inventors: Christopher A. Haak, Timothy J. Nevitt, Kevin M. Hamer, Raghunath Padiyath, Neeraj Sharma, Gregory F. King, William C. Pettit, III, Ronald K. Thery, Richard Yufeng Liu
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Publication number: 20200095450Abstract: A fluoropolymer coating composition is described comprising an aqueous liquid medium, fluoropolymer particles dispersed in the aqueous liquid medium, and at least one aziridine compound. The aziridine compound comprises at least two aziridine groups (i.e. polyaziridine) or at least one aziridine group and at least one alkoxy silane group. In another embodiment, an article is described comprising a substrate wherein a surface of the substrate comprises a coating comprising fluoropolymer particles; and a reaction product of at least one aziridine compound comprising at least two aziridine groups or at least one aziridine group and at least one alkoxy silane group. The coating can be utilized as a primer for bonding a non-fluorinated substrate to a fluoropolymer film and/or the coating can be used as an (e.g. outer exposed) surface layer. In some embodiments, the article may be the (e.g. backside) film of a photovoltaic module.Type: ApplicationFiled: November 26, 2019Publication date: March 26, 2020Inventors: Naiyong Jing, Kevin M. Hamer, Jeffrey A. Peterson, Thomas J. Blong, Timothy D. Fletcher, Michael Juergens, Mark W. Muggli, Gezahegn D. Damte
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Patent number: 10526503Abstract: A fluoropolymer coating composition is described comprising an aqueous liquid medium, fluoropolymer particles dispersed in the aqueous liquid medium, and at least one aziridine compound. The aziridine compound comprises at least two aziridine groups (i.e. polyaziridine) or at least one aziridine group and at least one alkoxy silane group. In another embodiment, an article is described comprising a substrate wherein a surface of the substrate comprises a coating comprising fluoropolymer particles; and a reaction product of at least one aziridine compound comprising at least two aziridine groups or at least one aziridine group and at least one alkoxy silane group. The coating can be utilized as a primer for bonding a non-fluorinated substrate to a fluoropolymer film and/or the coating can be used as an (e.g. outer exposed) surface layer. In some embodiments, the article may be the (e.g. backside) film of a photovoltaic module.Type: GrantFiled: October 29, 2014Date of Patent: January 7, 2020Assignee: 3M Innovative Properties CompanyInventors: Naiyong Jing, Kevin M. Hamer, Jeffrey A. Peterson, Thomas J. Blong, Timothy D. Fletcher, Michael Juergens, Mark W. Muggli, Gezahegn D. Damte
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Patent number: 10208223Abstract: A fluoropolymer coating composition is described comprising an aqueous liquid medium, fluoropolymer particles dispersed in the aqueous liquid medium, and at least one aziridine compound. The aziridine compound comprises at least two aziridine groups (i.e. polyaziridine) or at least one aziridine group and at least one alkoxy silane group. In another embodiment, an article is described comprising a substrate wherein a surface of the substrate comprises a coating comprising fluoropolymer particles; and a reaction product of at least one aziridine compound comprising at least two aziridine groups or at least one aziridine group and at least one alkoxy silane group. The coating can be utilized as a primer for bonding a non-fluorinated substrate to a fluoropolymer film and/or the coating can be used as an (e.g. outer exposed) surface layer. In some embodiments, the article may be the (e.g. backside) film of a photovoltaic module.Type: GrantFiled: April 13, 2018Date of Patent: February 19, 2019Assignee: 3M Innovative Properties CompanyInventors: Naiyong Jing, Kai H. Lochhaas, Kevin M. Hamer, Thomas J. Blong, Timothy D. Fletcher, Zhigang Yu, Michael Juergens
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Publication number: 20180237654Abstract: A fluoropolymer coating composition is described comprising an aqueous liquid medium, fluoropolymer particles dispersed in the aqueous liquid medium, and at least one aziridine compound. The aziridine compound comprises at least two aziridine groups (i.e. polyaziridine) or at least one aziridine group and at least one alkoxy silane group. In another embodiment, an article is described comprising a substrate wherein a surface of the substrate comprises a coating comprising fluoropolymer particles; and a reaction product of at least one aziridine compound comprising at least two aziridine groups or at least one aziridine group and at least one alkoxy silane group. The coating can be utilized as a primer for bonding a non-fluorinated substrate to a fluoropolymer film and/or the coating can be used as an (e.g. outer exposed) surface layer. In some embodiments, the article may be the (e.g. backside) film of a photovoltaic module.Type: ApplicationFiled: April 13, 2018Publication date: August 23, 2018Inventors: Naiyong Jing, Kai H. Lochhaas, Kevin M. Hamer, Thomas J. Blong, Timothy D. Fletcher, Zhigang Yu, Michael Juergens
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Patent number: 9976045Abstract: A fluoropolymer coating composition is described comprising an aqueous liquid medium, fluoropolymer particles dispersed in the aqueous liquid medium, and at least one aziridine compound. The aziridine compound comprises at least two aziridine groups (i.e. polyaziridine) or at least one aziridine group and at least one alkoxy silane group. In another embodiment, an article is described comprising a substrate wherein a surface of the substrate comprises a coating comprising fluoropolymer particles; and a reaction product of at least one aziridine compound comprising at least two aziridine groups or at least one aziridine group and at least one alkoxy silane group. The coating can be utilized as a primer for bonding a non-fluorinated substrate to a fluoropolymer film and/or the coating can be used as an (e.g. outer exposed) surface layer. In some embodiments, the article may be the (e.g. backside) film of a photovoltaic module.Type: GrantFiled: November 7, 2013Date of Patent: May 22, 2018Assignee: 3M Innovative Properties CompanyInventors: Naiyong Jing, Kai H. Lochhaas, Kevin M. Hamer, Thomas J. Blong, Timothy D. Fletcher, Zhigang Yu, Michael Juergens
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Patent number: 9851481Abstract: A method of making an optical body an optical body is disclosed. The method includes coextruding a first skin layer and a first strippable skin layer on a first side of an optical layer. The first skin layer is disposed between the optical layer and the first strippable skin layer. The first skin layer includes a mixture of a polyacrylate and a second polymer which may or may not be miscible in the polyacrylate. The second polymer may be an anti-static polymer.Type: GrantFiled: May 14, 2010Date of Patent: December 26, 2017Assignee: 3M Innovative Properties CompanyInventors: Timothy J. Hebrink, Stephen A. Johnson, Kristopher J. Derks, Kevin M. Hamer
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Publication number: 20170315267Abstract: Optical bodies are disclosed that include a first optical film, a second optical film and at least one rough strippable boundary layer disposed between the first and second optical films. Also disclosed are optical bodies including a strippable boundary layer disposed between the first and second optical films and including a first polymer and a second polymer that is substantially immiscible in the first polymer. The present disclosure also provides methods of processing optical bodies that include stretching the optical bodies.Type: ApplicationFiled: July 17, 2017Publication date: November 2, 2017Inventors: Carl A. Stover, Timothy J. Hebrink, Martin E. Denker, Jeffrey N. Jackson, Kristopher J. Derks, Michael F. Weber, Anna A. Kobilansky, Joan M. Strobel, Barry S. Rosell, John P. Purcell, Kevin M. Hamer, Robert D. Taylor, William B. Black, Richard J. Thompson, Gregory L. Bluem
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Patent number: 9709700Abstract: Optical bodies are disclosed that include a first optical film, a second optical film and at least one rough strippable boundary layer disposed between the first and second optical films. Also disclosed are optical bodies including a strippable boundary layer disposed between the first and second optical films and including a first polymer and a second polymer that is substantially immiscible in the first polymer. The present disclosure also provides methods of processing optical bodies that include stretching the optical bodies.Type: GrantFiled: April 6, 2005Date of Patent: July 18, 2017Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Carl A. Stover, Timothy J. Hebrink, Martin E. Denker, Jeffery N. Jackson, Kristopher J. Derks, Michael F. Weber, Anna A. Kobilansky, Joan M. Strobel, Barry S. Rosell, John P. Purcell, Kevin M. Hamer, Robert D. Taylor, William B. Black, Richard J. Thompson, Gregory L. Bluem
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Patent number: 9561629Abstract: Optical bodies are disclosed that include an optical film and at least one rough strippable skin layer. The at least one rough strippable skin layer can include a continuous phase and a disperse phase. In some embodiments, the at least one rough strippable skin layer can include a first polymer, a second polymer different from the first polymer and an additional material that is substantially immiscible in at least one of the first and second polymers. In some exemplary embodiments, a surface of the at least one rough strippable skin layer adjacent to the optical film comprises a plurality of protrusions and the adjacent surface of the optical film comprises a plurality of asymmetric depressions substantially corresponding to said plurality of protrusions. Methods of making such exemplary optical bodies are also disclosed.Type: GrantFiled: September 30, 2013Date of Patent: February 7, 2017Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Timothy J. Hebrink, Carl A. Stover, Martin E. Denker, Jeffery N. Jackson, Kristopher J. Derks, Michael F. Weber, Anna A. Wetzels, Joan M. Strobel, Barry S. Rosell, John P. Purcell, Kevin M. Hamer, Robert D. Taylor, William B. Black, Richard J. Thompson, Gregory L. Bluem
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Patent number: 9562168Abstract: Presently described are methods of making coating comprising aqueous fluoropolymer latex dispersions, aqueous fluoropolymer coating compositions, coated substrates, and (e.g. backside) films of photovoltaic cells. In one embodiment, the film comprises at least one fluoropolymer comprising repeat units derived from VF, VDF, or a combination thereof; inorganic oxide nanoparticles; and a compound that reacts with the repeat units derived from VF and VDF to crosslink the fluoropolymer and/or couple the fluoropolymer to the inorganic oxide nanoparticles. In another embodiment, the backside film comprises at least one fluoropolymer comprising repeat units derived from VF, VDF, or a combination thereof; and an amino-substituted organosilane ester or ester equivalent crosslinking compound.Type: GrantFiled: October 28, 2015Date of Patent: February 7, 2017Inventors: Naiyong Jing, Mark W. Muggli, Larry S. Hebert, Kevin M. Hamer, Thomas J. Blong, Michael Juergens, George Van Dyke Tiers, Zhigang Yu, Yaming Wang, Yiwen Chu
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Publication number: 20160237298Abstract: A fluoropolymer coating composition is described comprising an aqueous liquid medium, fluoropolymer particles dispersed in the aqueous liquid medium, and at least one aziridine compound. The aziridine compound comprises at least two aziridine groups (i.e. polyaziridine) or at least one aziridine group and at least one alkoxy silane group. In another embodiment, an article is described comprising a substrate wherein a surface of the substrate comprises a coating comprising fluoropolymer particles; and a reaction product of at least one aziridine compound comprising at least two aziridine groups or at least one aziridine group and at least one alkoxy silane group. The coating can be utilized as a primer for bonding a non-fluorinated substrate to a fluoropolymer film and/or the coating can be used as an (e.g. outer exposed) surface layer. In some embodiments, the article may be the (e.g. backside) film of a photovoltaic module.Type: ApplicationFiled: October 29, 2014Publication date: August 18, 2016Inventors: Naiyong Jing, Kevin M. Hamer, Jeffrey A. Peterson, Thomas J. Blong, Timothy D. Fletcher, Michael Juergens, Mark W. Muggli, Gezahegn D. Damte
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Publication number: 20160237299Abstract: A fluoropolymer coating composition is described comprising an aqueous liquid medium, fluoropolymer particles dispersed in the aqueous liquid medium, and at least one aziridine compound. The aziridine compound comprises at least two aziridine groups (i.e. polyaziridine) or at least one aziridine group and at least one alkoxy silane group. In another embodiment, an article is described comprising a substrate wherein a surface of the substrate comprises a coating comprising fluoropolymer particles; and a reaction product of at least one aziridine compound comprising at least two aziridine groups or at least one aziridine group and at least one alkoxy silane group. The coating can be utilized as a primer for bonding a non-fluorinated substrate to a fluoropolymer film and/or the coating can be used as an (e.g. outer exposed) surface layer. In some embodiments, the article may be the (e.g. backside) film of a photovoltaic module.Type: ApplicationFiled: November 7, 2013Publication date: August 18, 2016Inventors: Naiyong Jing, Kai H. Lochhaas, Kevin M. Hamer, Thomas J. Blong, Timothy D. Fletcher, Zhigang Yu, Michael Juergens
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Publication number: 20160046822Abstract: Presently described are methods of making coating comprising aqueous fluoropolymer latex dispersions, aqueous fluoropolymer coating compositions, coated substrates, and (e.g. backside) films of photovoltaic cells. In one embodiment, the film comprises at least one fluoropolymer comprising repeat units derived from VF, VDF, or a combination thereof; inorganic oxide nanoparticles; and a compound that reacts with the repeat units derived from VF and VDF to crosslink the fluoropolymer and/or couple the fluoropolymer to the inorganic oxide nanoparticles. In another embodiment, the backside film comprises at least one fluoropolymer comprising repeat units derived from VF, VDF, or a combination thereof; and an amino-substituted organosilane ester or ester equivalent crosslinking compound.Type: ApplicationFiled: October 28, 2015Publication date: February 18, 2016Inventors: Naiyong Jing, Mark W. Muggli, Larry S. Hebert, Kevin M. Hamer, Thomas J. Blong, Michael Juergens, George Van Dyke Tiers, Zhigang Yu, Yaming Wang, Yiwen Chu
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Patent number: 9221990Abstract: Presently described are methods of making coating comprising aqueous fluoropolymer latex dispersions, aqueous fluoropolymer coating compositions, coated substrates, and (e.g. backside) films of photovoltaic cells. In one embodiment, the film comprises at least one fluoropolymer comprising repeat units derived from VF, VDF, or a combination thereof; inorganic oxide nanoparticles; and a compound that reacts with the repeat units derived from VF and VDF to crosslink the fluoropolymer and/or couple the fluoropolymer to the inorganic oxide nanoparticles. In another embodiment, the backside film comprises at least one fluoropolymer comprising repeat units derived from VF, VDF, or a combination thereof; and an amino-substituted organosilane ester or ester equivalent crosslinking compound.Type: GrantFiled: November 14, 2012Date of Patent: December 29, 2015Assignee: 3M Innovative Properties CompanyInventors: Naiyong Jing, Mark W. Muggli, Larry S. Hebert, Kevin M. Hamer, Thomas J. Blong, Michael Juergens, George Van Dyke Tiers, Zhigang Yu, Yaming Wang, Yiwen Chu
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Publication number: 20150240105Abstract: Presently described are methods of making coating comprising aqueous fluoropolymer latex dispersions, aqueous fluoropolymer coating compositions, coated substrates, and (e.g. backside) films of photovoltaic cells. In one embodiment, the film comprises at least one fluoropolymer comprising repeat units derived from VF, VDF, or a combination thereof; inorganic oxide nanoparticles; and a compound that reacts with the repeat units derived from VF and VDF to crosslink the fluoropolymer and/or couple the fluoropolymer to the inorganic oxide nanoparticles. In another embodiment, the backside film comprises at least one fluoropolymer comprising repeat units derived from VF, VDF, or a combination thereof; and an amino-substituted organosilane ester or ester equivalent crosslinking compound.Type: ApplicationFiled: November 14, 2012Publication date: August 27, 2015Inventors: Naiyong Jing, Mark W. Muggli, Larry S. Hebert, Kevin M. Hamer, Thomas J. Blong, Michael Juergens, George Van Dyke Tiers, Zhigang Yu, Yaming Wang, Yiwen Chu