Patents by Inventor Christopher B. Walker, Jr.
Christopher B. Walker, Jr. 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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Patent number: 9976065Abstract: There is provided an adhesive composition comprising at least 50 wt % of an aqueous dispersion of an amorphous polyurethane having a Tg below 25° C.; and a water dispersible cross-linker, where the adhesive composition has a peel retention of greater than or equal to 5% according to the Water/IPA Exposure Test.Type: GrantFiled: June 5, 2015Date of Patent: May 22, 2018Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Jingjing Ma, Mary M. Caruso Dailey, Dmitri D. Iarikov, Alexander J. Kugel, Yongshang Lu, Christopher B. Walker, Jr.
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Publication number: 20180044465Abstract: There is provided an article a binder resin layer comprising an aliphatic polyurethane polymer comprising a plurality of soft segments, and a plurality of hard segments, where the soft segments comprise polycarbonate polyol; and a plurality of microspheres partially embedded and adhered to a first major surface of the binder resin layer, wherein the specific chemical identities and relative amounts of the segments and moieties of the aliphatic polyurethane polymer are sufficient to impart a glass transition temperature of 10° C. or less in the article and a storage modulus in the article that changes less than 15 MPa from 25° C. to 175° C.Type: ApplicationFiled: June 15, 2015Publication date: February 15, 2018Inventors: Christopher B. Walker, Jr., John C. Clark, Alexander J. Kugel, Vivek Krishnan, Abdullahi A. Mohamud
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Patent number: 9868832Abstract: There is provided an article comprising at least a first surface having a first binder layer selected from at least one of linear resins and resins having low cross link densities, where the first binder layer has a first major surface opposite a second major surface; and a plurality of microspheres at least partially embedded in the first major surface of the first binder layer. There is also provided an article comprising a first surface having a first binder layer selected from at least one of linear resins and resins having low cross link densities; and a plurality of microspheres at least partially embedded a the first major surface of the first binder layer, where for at least a portion of the first major surface the plurality of microspheres covers 30% to 50% of that portion, and the microspheres are substantially uniformly spaced.Type: GrantFiled: April 5, 2017Date of Patent: January 16, 2018Assignee: 3M Innovative Properties CompanyInventors: Christopher B. Walker, Jr., Joseph D. Rule, Vivek Krishnan, John C. Clark, Steven J. McMan, Toheeb B Alabi, Charlie C. Ho, Ryan E. Marx, Alexander J. Kugel
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Publication number: 20170247587Abstract: There is provided an adhesive composition comprising at least 50 wt % of an aqueous dispersion of an amorphous polyurethane having a Tg below 25° C.; and a water dispersible cross-linker, where the adhesive composition has a peel retention of greater than or equal to 5% according to the Water/IPA Exposure Test.Type: ApplicationFiled: June 5, 2015Publication date: August 31, 2017Inventors: Jingjing Ma, Mary M. Caruso Dailey, Dmitri D. Iarikov, Alexander J. Kugel, Yongshang Lu, Christopher B. Walker, Jr.
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Publication number: 20170204234Abstract: There is provided an article comprising at least a first surface having a first binder layer selected from at least one of linear resins and resins having low cross link densities, where the first binder layer has a first major surface opposite a second major surface; and a plurality of microspheres at least partially embedded in the first major surface of the first binder layer. There is also provided an article comprising a first surface having a first binder layer selected from at least one of linear resins and resins having low cross link densities; and a plurality of microspheres at least partially embedded a the first major surface of the first binder layer, where for at least a portion of the first major surface the plurality of microspheres covers 30% to 50% of that portion, and the microspheres are substantially uniformly spaced.Type: ApplicationFiled: April 5, 2017Publication date: July 20, 2017Inventors: Christopher B. Walker, JR., Joseph D. Rule, Vivek Krishnan, John C. Clark, Steven J. McMan, Toheeb B. Alabi, Charlie C. Ho, Ryan E. Marx, Alexander J. Kugel
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Publication number: 20170174854Abstract: There is provided an article having a compliant article where the compliant article comprises an polymer layer and a first layer disposed along a first major surface of the polymer layer; and a plurality of microspheres partially embedded and adhered to a major surface of the first layer opposite the surface that is disposed along the first major surface of the polymer layer, wherein the article has a compression modulus of less than or equal to 0.5 MPa. There is also provided an article having a compliant article where the compliant article comprises a polymer layer; and a plurality of microspheres partially embedded and adhered to a major surface of the compliant article, where the article has a compression modulus of less than or equal to 0.5 MPa, and further where the article is a decorative article.Type: ApplicationFiled: April 1, 2015Publication date: June 22, 2017Inventors: John C. Clark, Alexander J. Kugel, Benjamin R. Coonce, Vivek Krishnan, Christopher B. Walker, JR.
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Patent number: 9650499Abstract: There is provided an article comprising at least a first surface having a first binder layer selected from at least one of linear resins and resins having low cross link densities, where the first binder layer has a first major surface opposite a second major surface; and a plurality of microspheres at least partially embedded in the first major surface of the first binder layer. For at least a portion of the first major surface, the plurality of micro spheres may cover 30% to 50% of that portion, and the microspheres may be substantially uniformly spaced.Type: GrantFiled: October 4, 2013Date of Patent: May 16, 2017Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Christopher B. Walker, Jr., Joseph D. Rule, Vivek Krishnan, John C. Clark, Steven J. McMan, Toheeb B. Alabi, Charlie C. Ho, Ryan E. Marx, Alexander J. Kugel
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Publication number: 20160347026Abstract: There is provided an article a binder resin layer comprising an aliphatic polyurethane polymer comprising a plurality of soft segments, and a plurality of hard segments, where the soft segments comprise poly(alkoxy) polyol, and where the poly(alkoxy) polyol is essentially free of crosslinker; and a plurality of microspheres partially embedded and adhered to a first major surface of the binder resin layer, wherein the specific chemical identities and relative amounts of the segments and moieties of the aliphatic polyurethane polymer are sufficient to impart a glass transition temperature of 10° C. or less in the article and a storage modulus in the article that changes less than 15 MPa from 25° C. to 175° C.Type: ApplicationFiled: February 13, 2015Publication date: December 1, 2016Applicant: 3M INNOVAVTIVE PROPERTIES COMPANYInventors: Alexander J. Kugel, John C. Clark, Vivek Krishnan, Christopher B. Walker, JR.
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Publication number: 20160347042Abstract: There is provided a thermoformable article comprising at least a first surface having a binder resin layer comprising a fluorine-containing polymer, where the binder resin layer has a first major surface opposite a second major surface; and a plurality of microspheres partially and adhered to the first major surface of the binder resin layer; where the fluorine-containing polymer is a partially fluorinated polymer derived from at least one fluorine containing monomer and two or more non-fluorinated monomers having at least one active hydrogen functional group, and further wherein at least one but not all of the active hydrogen functional groups are reacted with at least one curing agent having latent functionality. In some instances the curing agent comprises polyisocyanate. There is also provided a thermoset article derived from such thermoformable articles.Type: ApplicationFiled: February 13, 2015Publication date: December 1, 2016Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Christopher B. Walker, Jr., John C. Clark, Thomas P. Klun, Steven J. McMan, Abdullahi A. Mohamud, Alexander J. Kugel, Vivek Krishnan
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Patent number: 9383482Abstract: 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: GrantFiled: May 3, 2011Date of Patent: July 5, 2016Assignee: 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: 20160145458Abstract: There is provided an article comprising at least a first surface having a fluorine-containing polymeric binder resin layer and a plurality of microspheres partially embedded in a first major surface of the binder resin layer and adhered thereto; wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the article exhibits a stain resistance to yellow mustard at elevated temperature and humidity as measured by the change in b* of less than 50. There are also provided such articles wherein the fluorine-containing polymer is derived in part from at least one partially fluorinated, or non-fluorinated, monomer; and wherein the fluorine content along the polymeric backbone of the fluorine-containing polymer is from about 27% to 72% by weight. There are also provided such articles wherein the article is a thermoformable article exhibiting chemical resistance according to ASTM D5402-06.Type: ApplicationFiled: June 26, 2014Publication date: May 26, 2016Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Christopher B. Walker, JR., John C. Clark, Tatsuo Fukushi, Thomas P. Klun, Vivek Krishnan, Alexander J. Kugel, Lan H. Liu, Jingjing Ma, Steven J. McMan
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Patent number: 9296905Abstract: Presently described are coating compositions comprising a polymerizable resin composition and a non-ionic unpolymerizable surfactant. In some embodiments, the coating comprises greater than 10 wt-% of non-ionic unpolymerizable surfactant. In other embodiments, the coating composition comprises an an additive comprising a silicone group or a fluorinated group and a hydrophobic group. Also described are articles comprising the cured coating compositions. In one embodiment, an article is described comprising a cured coating wherein the cured coating exhibits a property of an initially visible simulated fingerprint reducing in visibility in 1-20 minutes. Also described is a method of determining the fingerprint visibility of a coating composition and a polyacylate composition useful as an additive. In another embodiment a coated surface is described comprising a polymeric organic material comprising a plurality of pores wherein a portion of the pores are interconnected and comprise a lipophilic liquid.Type: GrantFiled: March 28, 2014Date of Patent: March 29, 2016Assignee: 3M Innovative Properties CompanyInventors: Richard J. Pokorny, Thomas P. Klun, Christopher B. Walker, Jr., David B. Olson, Joan M. Noyola, Michelle L. Toy, Evan L. Schwartz
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Patent number: 9296904Abstract: Presently described are coating compositions comprising a polymerizable resin composition and a non-ionic unpolymerizable surfactant. In some embodiments, the coating comprises greater than 10 wt-% of non-ionic unpolymerizable surfactant. In other embodiments, the coating composition comprises an an additive comprising a silicone group or a fluorinated group and a hydrophobic group. Also described are articles comprising the cured coating compositions. In one embodiment, an article is described comprising a cured coating wherein the cured coating exhibits a property of an initially visible simulated fingerprint reducing in visibility in 1-20 minutes. Also described is a method of determining the fingerprint visibility of a coating composition and a polyacylate composition useful as an additive. In another embodiment a coated surface is described comprising a polymeric organic material comprising a plurality of pores wherein a portion of the pores are interconnected and comprise a lipophilic liquid.Type: GrantFiled: June 19, 2012Date of Patent: March 29, 2016Assignee: 3M Innovative Properties CompanyInventors: Richard J. Pokorny, Thomas P. Klun, Christopher B. Walker, Jr., David B. Olson, Joan M. Noyola, Michelle L. Toy, Evan L. Schwartz
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Patent number: 9247736Abstract: A multi-layer film for reducing microbial contamination on a surface. The multi-layer film can include a core layer having a first surface and a second surface opposite the first surface, an adhesive layer disposed adjacent the first surface of the core layer, and an antimicrobial layer disposed adjacent the second surface. The antimicrobial layer can include a cross-linked matrix and an antimicrobial agent dispersed within the cross-linked matrix, where the cross-linked matrix is derived from a polymerizable precursor comprising a material selected from the group consisting of a polymerizable monomer, a polymerizable polymer having a molecular weight of about 1,000 or less, and combinations thereof.Type: GrantFiled: December 14, 2006Date of Patent: February 2, 2016Assignee: 3M Innovative Properties CompanyInventors: Caroline M. Ylitalo, Mahfuza B. Ali, Christopher B. Walker, Jr., Gerald R. A. Hofmann, Matthew T. Scholz, Alphonsus V. Pocius, Linda K. M. Olson
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Publication number: 20150343502Abstract: Described herein is a construction comprising a microsphere layer comprising a plurality of microspheres wherein the microspheres comprise glass, ceramic, and combinations thereof; a first polymer layer comprising a first polymer, wherein the plurality of microspheres is partially embedded in the first polymer layer; and an undercoat layer therebetween the microsphere layer and first polymer layer, wherein the undercoat layer comprises a plurality of silica nanoparticles. Also disclosed herein are articles comprising the construction and methods of making thereof. In one embodiment, the constructions of the present disclosure have good anti-soiling and abrasion resistant properties.Type: ApplicationFiled: December 19, 2013Publication date: December 3, 2015Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: John C. Clark, Vivek Krishnan, Christopher B. Walker, JR.
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Publication number: 20150232646Abstract: There is provided an article comprising at least a first surface having a first binder layer selected from at least one of linear resins and resins having low cross link densities, where the first binder layer has a first major surface opposite a second major surface; and a plurality of microspheres at least partially embedded in the first major surface of the first binder layer. For at least a portion of the first major surface, the plurality of micro spheres may cover 30% to 50% of that portion, and the microspheres may be substantially uniformly spaced.Type: ApplicationFiled: October 4, 2013Publication date: August 20, 2015Inventors: Christopher B. Walker, JR., Joseph D. Rule, Vivek Krishnan, John C. Clark, Steven J. McMan, Bola T. Alabi, Charlie C. Ho, Ryan E. Marx, Alexander J. Kugel
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Patent number: 8981151Abstract: Fluorocarbon- and urethane-(meth)acryl-containing additives and hardcoats. The hardcoats are particularly useful as a surface layer on an optical device.Type: GrantFiled: April 8, 2014Date of Patent: March 17, 2015Assignee: 3M Innovative Properties CompanyInventors: Thomas P. Klun, Naiyong Jing, Richard J. Pokorny, Zai-Ming Qiu, Mark J. Pellerite, William D. Coggio, Christopher B. Walker, Jr.
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Publication number: 20140221689Abstract: Fluorocarbon- and urethane-(meth)acryl-containing additives and hardcoats. The hardcoats are particularly useful as a surface layer on an optical device.Type: ApplicationFiled: April 8, 2014Publication date: August 7, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Thomas P. Klun, Naiyong Jing, Richard J. Pokorny, Zai-Ming Qiu, Mark J. Pellerite, William D. Coggio, Christopher B. Walker, Jr.
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Publication number: 20140212651Abstract: Presently described are coating compositions comprising a polymerizable resin composition and a non-ionic unpolymerizable surfactant. In some embodiments, the coating comprises greater than 10 wt-% of non-ionic unpolymerizable surfactant. In other embodiments, the coating composition comprises an an additive comprising a silicone group or a fluorinated group and a hydrophobic group. Also described are articles comprising the cured coating compositions. In one embodiment, an article is described comprising a cured coating wherein the cured coating exhibits a property of an initially visible simulated fingerprint reducing in visibility in 1-20 minutes. Also described is a method of determining the fingerprint visibility of a coating composition and a polyacylate composition useful as an additive. In another embodiment a coated surface is described comprising a polymeric organic material comprising a plurality of pores wherein a portion of the pores are interconnected and comprise a lipophilic liquid.Type: ApplicationFiled: March 28, 2014Publication date: July 31, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Richard J. Pokorny, Thomas P. Klun, Christopher B. Walker, JR., David B. Olson, Joan M. Noyola, Michelle L. Toy, Evan L. Schwartz
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Patent number: 8742022Abstract: Presently described are coating compositions comprising a polymerizable resin composition and a non-ionic unpolymerizable surfactant. In some embodiments, the coating comprises greater than 10 wt-% of non-ionic unpolymerizable surfactant. In other embodiments, the coating composition comprises an an additive comprising a silicone group or a fluorinated group and a hydrophobic group. Also described are articles comprising the cured coating compositions. In one embodiment, an article is described comprising a cured coating wherein the cured coating exhibits a property of an initially visible simulated fingerprint reducing in visibility in 1-20 minutes. Also described is a method of determining the fingerprint visibility of a coating composition and a polyacylate composition useful as an additive. In another embodiment a coated surface is described comprising a polymeric organic material comprising a plurality of pores wherein a portion of the pores are interconnected and comprise a lipophilic liquid.Type: GrantFiled: November 30, 2011Date of Patent: June 3, 2014Assignee: 3M Innovative Properties CompanyInventors: Richard J. Pokorny, Thomas P. Klun, Christopher B. Walker, Jr., David B. Olson, Joan M. Noyola, Michelle L. Toy, Evan L. Schwartz