Patents by Inventor Peggy S. Willett
Peggy S. Willett 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: 10723918Abstract: Articles and laminates include a substrate with a first polyester surface and a second polyester surface, a crosslinked polyurethane-based primer coated on at least the first polyester surface, and an optically clear heat activated adhesive adjacent to the crosslinked polyurethane-based primer. The articles and laminates are prepared by applying a polyurethane-based dispersion and a crosslinker on at least one polyester surface, drying the applied coating, heating while stretching the substrate and the coating to form a crosslinked primer layer on the stretched polyester surface, and applying an optically clear heat activated adhesive onto the crosslinked primer layer.Type: GrantFiled: May 18, 2018Date of Patent: July 28, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Bert T. Chien, Christopher P. Gerlach, Gregory F. King, Peggy S. Willett, Christopher A. Haak, Ronald K. Thery
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Patent number: 10414954Abstract: A pressure-sensitive adhesive is provided that is a dried product of a latex composition, which is formed from an emulsion composition. The latex composition and the emulsion composition are also provided. The emulsion composition has droplets that contain various monomers plus a (meth)acrylate polymer and a hydrogenated hydrocarbon tackifier dissolved in the monomers. Additionally, an article containing a layer of the pressure-sensitive adhesive and a method of forming the pressure-sensitive adhesive are provided. The pressure-sensitive adhesives often have both high peel adhesion and high shear strength (i.e., high cohesive strength or high shear holding power).Type: GrantFiled: December 14, 2015Date of Patent: September 17, 2019Assignee: 3M Innovative Properties CompanyInventors: Lili Qie, Zhong Chen, Zhipeng Song, John R. Jacobsen, Peggy S. Willett, Robert D. Waid, Jayshree Seth
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Patent number: 10208232Abstract: Disclosed is a crosslinked adhesive composition comprising a low Tg (meth)acrylate copolymer component, a high Tg (meth)acrylate copolymer component, and a hydrogenated hydrocarbon tackifier. This disclosure provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles that are particularly useful in the bonding of low surface energy (LSE) substrates.Type: GrantFiled: May 6, 2014Date of Patent: February 19, 2019Assignee: 3M Innovative Properties CompanyInventors: Shujun J. Wang, Zhong Chen, John R. Jacobsen, Peggy S. Willett, David J. Yarusso, Soyoung Kim
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Publication number: 20180298236Abstract: The present disclosure relates to a method of adhering a first part to a second part, wherein the first part and the second part are used for outdoor applications and comprise a thermoplastic or a thermosetting organic polymer. The present disclosure is also directed to a composite assembly comprising: a) a first part and a second part used for outdoor applications and comprising a thermoplastic or a thermosetting organic polymer; and b) a multilayer pressure sensitive adhesive foam tape as described in the present disclosure, wherein the first pressure sensitive adhesive layer is adhered to the first part, and the second pressure sensitive adhesive layer is adhered to the second part.Type: ApplicationFiled: October 14, 2016Publication date: October 18, 2018Inventors: Doreen Eckhardt, Claudia Torre, Regina Sikora, Kerstin Unverhau, Jan Wieneke, Frank Kuester, Jan Heimink, Jan Forster, Bettina Radek, Thomas Q. Chastek, Ross J. DeVolder, Shujun J. Wang, Robert D. Waid, Panu K. Zoller, Peggy S. Willett, Gregory B. Gadbois, Jeremy D. Unruh, Steven D. Bray, Jack J. Williams, III, Zhong Chen
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Publication number: 20180265740Abstract: Articles and laminates include a substrate with a first polyester surface and a second polyester surface, a crosslinked polyurethane-based primer coated on at least the first polyester surface, and an optically clear heat activated adhesive adjacent to the crosslinked polyurethane-based primer. The articles and laminates are prepared by applying a polyurethane-based dispersion and a crosslinker on at least one polyester surface, drying the applied coating, heating while stretching the substrate and the coating to form a crosslinked primer layer on the stretched polyester surface, and applying an optically clear heat activated adhesive onto the crosslinked primer layer.Type: ApplicationFiled: May 18, 2018Publication date: September 20, 2018Inventors: Bert T. Chien, Christopher P. Gerlach, Gregory F. King, Peggy S. Willett, Christopher A. Haak, Ronald K. Thery
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Publication number: 20170369749Abstract: A pressure-sensitive adhesive is provided that is a dried product of a latex composition, which is formed from an emulsion composition. The latex composition and the emulsion composition are also provided. The emulsion composition has droplets that contain various monomers plus a (meth)acrylate polymer and a hydrogenated hydrocarbon tackifier dissolved in the monomers. Additionally, an article containing a layer of the pressure-sensitive adhesive and a method of forming the pressure-sensitive adhesive are provided. The pressure-sensitive adhesives often have both high peel adhesion and high shear strength (i.e., high cohesive strength or high shear holding power).Type: ApplicationFiled: December 14, 2015Publication date: December 28, 2017Inventors: Lili Qie, Zhong Chen, Zhipeng Song, John R. Jacobsen, Peggy S. Willett, Robert D. Waid, Jayshree Seth
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Publication number: 20160083629Abstract: Disclosed is a crosslinked adhesive composition comprising a low Tg (meth)acrylate copolymer component, a high Tg (meth)acrylate copolymer component, and a hydrogenated hydrocarbon tackifier. This disclosure provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles that are particularly useful in the bonding of low surface energy (LSE) substrates.Type: ApplicationFiled: May 6, 2014Publication date: March 24, 2016Inventors: Shujun J. Wang, Zhong Chen, John R. Jacobsen, Peggy S. Willett, David J. Yarusso, Soyoung Kim
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Publication number: 20150044456Abstract: Articles and laminates include a substrate with a first polyester surface and a second polyester surface, a crosslinked polyurethane-based primer coated on at least the first polyester surface, and an optically clear heat activated adhesive adjacent to the crosslinked polyurethane-based primer. The articles and laminates are prepared by applying a polyurethane-based dispersion and a crosslinker on at least one polyester surface, drying the applied coating, heating while stretching the substrate and the coating to form a crosslinked primer layer on the stretched polyester surface, and applying an optically clear heat activated adhesive onto the crosslinked primer layer.Type: ApplicationFiled: January 28, 2013Publication date: February 12, 2015Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Bert T. Chien, Christopher P. Gerlach, Gregory F. King, Peggy S. Willett, Christopher A. Haak, Ronald K. Thery
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Patent number: 7575653Abstract: The invention provides a method for imparting topographical or protective features to a substrate by contacting a sheet material comprising a thermosettable layer with a substrate and heating the sheet material to an elevated temperature.Type: GrantFiled: April 12, 1995Date of Patent: August 18, 2009Assignee: 3M Innovative Properties CompanyInventors: Michael A. Johnson, Clayton A. George, Peggy S. Willett, Scott R. Meyer
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Publication number: 20040258922Abstract: Water-based adhesive compositions are described that includes epoxy capsules and a polymeric amine that is water soluble or water dispersible. The epoxy capsules include an outer shell material and an epoxy resin encapsulated by the outer shell material. The polymeric amine functions as an epoxy curative and as a binder resin. The compositions are substantially free of other additional organic binders. The compositions are suitable for use as mechanical fastener adhesives.Type: ApplicationFiled: June 20, 2003Publication date: December 23, 2004Inventors: Peggy S. Willett, Robert D. Waid, Randy S. Frank, Tony R. Carrozzella
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Patent number: 6485589Abstract: The invention provides a method for imparting topographical or protective features to a substrate by contacting a sheet material comprising a thermoplastic layer with a substrate and heating the sheet material to an elevated temperature. The invention also provides a sheet material which comprises at least one layer consisting essentially of one or more thermoplastic, melt-flowable polymers that are semi-crystalline at room temperature.Type: GrantFiled: April 12, 1996Date of Patent: November 26, 2002Assignee: 3M Innovative Properties CompanyInventors: Michael A. Johnson, Peggy S. Willett, Michael L. Tumey, Clayton A. George, Akira Itoh
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Patent number: 6350791Abstract: The invention relates to a thermosettable adhesive comprising a thermosettable polymer component, a thermoformable polymer component, an effective amount of a heat-activatable and/or photoactivatable curing system for curing the thermosettable polymer component, and from 0.5-20 wt. % with respect to the mass of the thermosettable adhesive of one or more hydroxides and/or hydroxyoxides of Al, Mg and/or Zr.Type: GrantFiled: June 27, 2000Date of Patent: February 26, 2002Assignee: 3M Innovative Properties CompanyInventors: Georg Feichtmeier, Peggy S. Willett
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Publication number: 20020011308Abstract: The invention provides a method for imparting topographical or protective features to a substrate by contacting a sheet material comprising a thermosettable layer with a substrate and heating the sheet material to an elevated temperature.Type: ApplicationFiled: April 12, 1995Publication date: January 31, 2002Inventors: MICHAEL A. JOHNSON, CLAYTON A. GEORGE, PEGGY S. WILLETT, SCOTT R. MEYER
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Patent number: 6291059Abstract: The present invention provides compositions comprising epoxy-containing monomers, where the polymerization of the monomers can be influenced by accelerators. The compositions include at least one photo-polymerizable epoxy monomer and an initiation system. The initiation system comprises at least one organo-iron complex salt and at least one accelerator. The epoxy-containing monomers are energy-polymerized to form useful articles or coated articles.Type: GrantFiled: July 19, 2000Date of Patent: September 18, 2001Assignee: 3M Innovative Properties CompanyInventors: Wayne S. Mahoney, Peggy S. Willett, Michael A. Johnson
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Patent number: 6287669Abstract: An article adapted for sealing a discontinuity in a surface. The article includes a melt-flowable composition that flows and seals the discontinuity when the article is heated to a sufficient temperature and a polymeric cap controlling the melt-flow behavior of the melt-flowable composition to substantially confine the melt-flowable composition to the area underneath the cap, when the article is heated to a temperature sufficient to cause the melt-flowable composition to flow, and then cooled.Type: GrantFiled: August 4, 1999Date of Patent: September 11, 2001Assignee: 3M Innovative Properties CompanyInventors: Clayton A. George, Michael A. Johnson, Peggy S. Willett
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Patent number: 6136398Abstract: A curable composition formed by mixing components comprising 10 to 70 weight percent of a curable epoxy resin; an effective amount of a curative for the epoxy resin; 10 to 85 weight percent of a thermoplastic ethylene-vinyl acetate copolymer; and 5 to 60 weight percent of a thermoplastic polyester resin, the parts by weight being based on the total weight of the resin in the composition.Type: GrantFiled: May 1, 1998Date of Patent: October 24, 2000Assignee: 3M Innovative Properties CompanyInventors: Peggy S. Willett, Christopher M. Meyer, Scott R. Meyer
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Patent number: 6133335Abstract: The present invention provides compositions comprising epoxy-containing monomers, where the polymerization of the monomers can be influenced by accelerators. The compositions include at least one photo-polymerizable epoxy monomer and an initiation system. The initiation system comprises at least one organo-iron complex salt and at least one accelerator. The epoxy-containing monomers are energy-polymerized to form useful articles or coated articles.Type: GrantFiled: December 31, 1998Date of Patent: October 17, 2000Assignee: 3M Innovative Properties CompanyInventors: Wayne S. Mahoney, Peggy S. Willett, Michael A. Johnson
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Patent number: 6030701Abstract: The invention provides a method for imparting topographical or protective features to a substrate by contacting a sheet material comprising a thermosettable layer with a substrate and heating the sheet material to an elevated temperature.Type: GrantFiled: September 20, 1996Date of Patent: February 29, 2000Assignee: 3M Innovative Properties CompanyInventors: Michael A. Johnson, Clayton A. George, Peggy S. Willett, Scott R. Meyer
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Patent number: 5964979Abstract: The present invention includes a method for sealing a discontinuity in the surface of a substrate comprises the steps of: (a) placing over the discontinuity an article comprising (i) a melt-flowable composition characterized by a first width, and (ii) a shaped, polymeric cap having a pre-selected, cross-sectional profile characterized by a second width and a shape in which the thickness of the cup across its width, the width of the cap, or both the width and thickness of the cap vary; (b) heating the article to cause the melt-flowable composition to flow and seal the discontinuity, where the cap controls the melt-flow behavior of the melt-flowable composition to substantially confine the melt-flowable composition to the area underneath the cap; and (c) allowing the article to cool while substantially retaining the pre-selected cross-sectional profile of the cap. The present invention also includes various articles for use in the method.Type: GrantFiled: August 15, 1997Date of Patent: October 12, 1999Assignee: 3M Innovative Properties CompanyInventors: Clayton A. George, Michael A. Johnson, Peggy S. Willett
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Patent number: 5670006Abstract: Acrylate-only and epoxy-acrylate thermoset resins exhibit high temperature damping behavior. These materials are suitable for damping vibrations in structures and component parts of devices where high temperature performance is required, such as in automobiles, aircraft, industrial equipment and appliances.Type: GrantFiled: June 2, 1995Date of Patent: September 23, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Debra L. Wilfong, David J. Drath, Michael C. Palazzotto, Peggy S. Willett, Henry B. Clark, III