Patents by Inventor Carlos A. Barrios

Carlos A. Barrios 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).

  • Publication number: 20220152783
    Abstract: The disclosure relates to an abrasive article comprising: a fabric substrate comprising strands forming first void spaces between the strands; a laminate joined to the fabric substrate; a cured resin composition joined to the laminate opposite the fabric substrate; abrasive particles joined to the cured resin composition; and a plurality of second void spaces extending through the laminate coinciding with first void spaces in the fabric substrate. The disclosure also relates to methods of making such abrasive articles.
    Type: Application
    Filed: February 7, 2020
    Publication date: May 19, 2022
    Inventors: Jaime A. Martinez, Caroline E. Morel, Junting Li, Michael J. Annen, Deborah J. Eilers, Daniel A. Billig, Carlos A. Barrios, Monika E. Frendt, Victor A. Cárdenas, Yuyang Liu, Dwight D. Erickson, Brian G. Koethe, Ann M. Hawkins, Jing Zhang
  • Patent number: 10658096
    Abstract: A multilayer magnetic sheet is described which comprises a plurality of stacked magnetic component layers separated by first electrically insulating layers. Each of the plurality of magnetic component layers comprises a plurality of isolated magnetic sublayers having a magnetic layer thickness of less than one micron. The multilayer magnetic sheet has a magnetic fraction between about 5% and about 80%; a total magnetic thickness of greater than or equal to 5 microns; and a relative composite permeability of greater than about 20.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: May 19, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Xiaoming Kou, Michael S. Graff, Jeffrey M. Florczak, Steven L. Johnson, Rui Yang, Carlos A. Barrios, Steven D. Theiss, Kevin W. Gotrik
  • Patent number: 10434543
    Abstract: Herein are disclosed a pressure-sensitive adhesive layer on a substrate, the adhesive layer containing stripes of first and second pressure-sensitive adhesives. The surface of the adhesive layer that faces the substrate is surface-enriched with the first pressure-sensitive adhesive. Methods of making are disclosed.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: October 8, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Tyler J. Rattray, Carlos A. Barrios, James L. Bries, Gary W. Maier
  • Patent number: 10351694
    Abstract: A composite particle includes a discrete, hollow, ceramic spheroid and a fluoropolymer layer disposed thereon. The fluoropolymer is a homopolymer or copolymer of a perfluoroalkyl vinyl ether; a perfluoroalkoxy vinyl ether; at least one fluoroolefin independently represented by formula C(R)2?CF—Rf, wherein Rf is fluorine or a perfluoroalkyl having from 1 to 8 carbon atoms and R is hydrogen, fluorine, or chlorine; or a combination thereof. Methods of making the composite particles, composite materials, and articles including them are also disclosed.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: July 16, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Stephen E. Amos, Carlos A. Barrios
  • Patent number: 10294394
    Abstract: Multilayer adhesive tapes including at least one microstructured elastomeric layer and at least one layer of a pressure sensitive adhesive disposed on the microstructured elastomeric layer, and articles that include such multilayer adhesive tapes.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: May 21, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Carlos A. Barrios, Michael Benton Free, Jason D. Clapper, Robert M. Jennings
  • Publication number: 20190035523
    Abstract: A multilayer magnetic sheet is described which comprises a plurality of stacked magnetic component layers separated by first electrically insulating layers. Each of the plurality of magnetic component layers comprises a plurality of isolated magnetic sublayers having a magnetic layer thickness of less than one micron. The multilayer magnetic sheet has a magnetic fraction between about 5% and about 80%; a total magnetic thickness of greater than or equal to 5 microns; and a relative composite permeability of greater than about 20.
    Type: Application
    Filed: February 9, 2017
    Publication date: January 31, 2019
    Inventors: Xiaoming Kou, Michael S. Graff, Jeffrey M. Florczak, Steven L. Johnson, Rui Yang, Carlos A. Barrios, Steven D. Theiss, Kevin W. Gotrik
  • Patent number: 10023768
    Abstract: An article including a release liner with an adhesive layer disposed thereon, the adhesive layer including a plurality of stripes of a first pressure-sensitive adhesive and of a second pressure-sensitive adhesive, arranged in a generally alternating pattern. The first pressure-sensitive adhesive is a silicone-based pressure-sensitive adhesive that includes a silicone block copolymer elastomer comprising hard segments that each comprise at least one polar moiety, and the second pressure-sensitive adhesive is an organic polymeric pressure-sensitive adhesive.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: July 17, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Carlos A. Barrios, James L. Bries, Gary W. Maier, Tyler J. Rattray
  • Publication number: 20180051162
    Abstract: A composite particle includes a discrete, hollow, ceramic spheroid and a fluoropolymer layer disposed thereon. The fluoropolymer is a homopolymer or copolymer of a perfluoroalkyl vinyl ether; a perfluoroalkoxy vinyl ether; at least one fluoroolefin independently represented by formula C(R)2?CF—Rf, wherein Rf is fluorine or a perfluoroalkyl having from 1 to 8 carbon atoms and R is hydrogen, fluorine, or chlorine; or a combination thereof. Methods of making the composite particles, composite materials, and articles including them are also disclosed.
    Type: Application
    Filed: October 16, 2017
    Publication date: February 22, 2018
    Inventors: Stephen E. Amos, Carlos A. Barrios
  • Publication number: 20170342299
    Abstract: Herein are disclosed a pressure-sensitive adhesive layer on a substrate, the adhesive layer containing stripes of first and second pressure-sensitive adhesives. The surface of the adhesive layer that faces the substrate is surface-enriched with the first pressure-sensitive adhesive. Methods of making are disclosed.
    Type: Application
    Filed: August 16, 2017
    Publication date: November 30, 2017
    Inventors: Tyler J. Rattray, Carlos A. Barrios, James L. Bries, Gary W. Maier
  • Patent number: 9815969
    Abstract: A composite particle includes a discrete, hollow, ceramic spheroid and a fluoropolymer layer disposed thereon. The fluoropolymer is an amorphous homopolymer or copolymer of a perfluoroalkyl vinyl ether; a perfluoroalkoxy vinyl ether; at least one fTuorookfe independently represented by formula C(R)2?CF—Rf; wherein Rf is fluorine or a perfluoroalkyl having from 1 to 8 carbon atoms and R is hydrogen, fluorine, or chlorine; or a combination thereof. Methods of making the composite particles, composite materials, and articles including them are also disclosed.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: November 14, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Stephen E. Amos, Carlos A. Barrios
  • Patent number: 9790347
    Abstract: A composite particle includes a discrete, hollow, ceramic spheroid and a fluoropolymer layer disposed thereon. The fluoropolymer is a homopolymer or copolymer of a perfluoroalkyl vinyl ether; a perfluoroalkoxy vinyl ether; at least one fluoroolefin independently represented by formula C(R)2?CF—Rf, wherein Rf is fluorine or a perfluoroalkyl having from 1 to 8 carbon atoms and R is hydrogen, fluorine, or chlorine; or a combination thereof. Methods of making the composite particles, composite materials, and articles including them are also disclosed.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: October 17, 2017
    Assignee: 3M Innovation Properties Company
    Inventors: Stephen E. Amos, Carlos A. Barrios
  • Patent number: 9765240
    Abstract: Herein are disclosed a pressure-sensitive adhesive layer on a substrate, the adhesive layer containing stripes of first and second pressure-sensitive adhesives. The surface of the adhesive layer that faces the substrate is surface-enriched with the first pressure-sensitive adhesive. Methods of making are disclosed.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: September 19, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Tyler J. Rattray, Carlos A. Barrios, James L. Bries, Gary W. Maier
  • Publication number: 20170073550
    Abstract: Multilayer adhesive tapes including at least one microstructured elastomeric layer and at least one layer of a pressure sensitive adhesive disposed on the microstructured elastomeric layer, and articles that include such multilayer adhesive tapes.
    Type: Application
    Filed: May 1, 2015
    Publication date: March 16, 2017
    Inventors: Carlos A. Barrios, Michael Benton Free, Jason D. Clapper, Robert M. Jennings
  • Publication number: 20160376471
    Abstract: An article including a release liner with an adhesive layer disposed thereon, the adhesive layer including a plurality of stripes of a first pressure-sensitive adhesive and of a second pressure-sensitive adhesive, arranged in a generally alternating pattern. The first pressure-sensitive adhesive is a silicone-based pressure-sensitive adhesive that includes a silicone block copolymer elastomer comprising hard segments that each comprise at least one polar moiety, and the second pressure-sensitive adhesive is an organic polymeric pressure-sensitive adhesive.
    Type: Application
    Filed: June 12, 2014
    Publication date: December 29, 2016
    Inventors: Carlos A. Barrios, James L. Bries, Gary W. Maier, Tyler J. Rattray
  • Patent number: 9490041
    Abstract: A composite particle includes a spheroidal core having a polymeric layer disposed thereon. In one embodiment, the polymeric layer includes a cationic surfactant and at least one of a nonionic polymer or an anionic polymer. In another embodiment, the polymeric layer includes a cationic polymer and an anionic polymer. Methods of making the composite particles, composite materials, and articles including them are also disclosed.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 8, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: Carlos A. Barrios, Baris Yalcin, Stephen E. Amos
  • Publication number: 20160152869
    Abstract: Herein are disclosed a pressure-sensitive adhesive layer on a substrate, the adhesive layer containing stripes of first and second pressure-sensitive adhesives. The surface of the adhesive layer that faces the substrate is surface-enriched with the first pressure-sensitive adhesive. Methods of making are disclosed.
    Type: Application
    Filed: June 23, 2014
    Publication date: June 2, 2016
    Inventors: Tyler J. Rattray, Carlos A. Barrios, James L. Bries, Gary W. Maier
  • Publication number: 20160137885
    Abstract: An article including a first substrate with an adhesive layer disposed thereon, the adhesive layer including a plurality of stripes of a first pressure-sensitive adhesive and of a second pressure-sensitive adhesive, arranged in a generally alternating pattern.
    Type: Application
    Filed: June 13, 2014
    Publication date: May 19, 2016
    Inventors: Gary W. Maier, Carlos A. Barrios, James L. Bries, Tyler J. Rattray
  • Publication number: 20150344676
    Abstract: A composite particle includes a discrete, hollow, ceramic spheroid and a fluoropolymer layer disposed thereon. The fluoropolymer is a homopolymer or copolymer of a perfluoroalkyl vinyl ether; a perfluoroalkoxy vinyl ether; at least one fluoroolefm independently represented by formula C(R)2?CF—Rf, wherein Rf is fluorine or a perfluoroalkyl having from 1 to 8 carbon atoms and R is hydrogen, fluorine, or chlorine; or a combination thereof. Methods of making the composite particles, composite materials, and articles including them are also disclosed.
    Type: Application
    Filed: December 20, 2013
    Publication date: December 3, 2015
    Inventors: Stephen E. Amos, Carlos A. Barrios
  • Publication number: 20150315071
    Abstract: A composite particle includes a discrete, hollow, ceramic spheroid and a fluoropolymer layer disposed thereon. The fluoropolymer is an amorphous homopolymer or copolymer of a perfluoroalkyl vinyl ether; a perfluoroalkoxy vinyl ether; at least one fTuorookfe independently represented by formula C(R)2?CF—Rf; wherein Rf is fluorine or a perfluoroalkyl having from 1 to 8 carbon atoms and R is hydrogen, fluorine, or chlorine; or a combination thereof. Methods of making the composite particles, composite materials, and articles including them are also disclosed.
    Type: Application
    Filed: December 20, 2013
    Publication date: November 5, 2015
    Inventors: Stephen E. Amos, Carlos A. Barrios
  • Publication number: 20150068637
    Abstract: A composite particle includes a spheroidal core having a polymeric layer disposed thereon. In one embodiment, the polymeric layer includes a cationic surfactant and at least one of a nonionic polymer or an anionic polymer. In another embodiment, the polymeric layer includes a cationic polymer and an anionic polymer. Methods of making the composite particles, composite materials, and articles including them are also disclosed.
    Type: Application
    Filed: March 15, 2013
    Publication date: March 12, 2015
    Inventors: Carlos A. Barrios, Baris Yalcin, Stephen E. Amos