Patents by Inventor Meredith McMurdo Doyle

Meredith McMurdo Doyle 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).

  • Patent number: 9878925
    Abstract: Described herein is a filtration medium comprising a substrate, wherein the substrate comprises a thermolysis product of (i) a carbon substrate having a surface of COxEy, wherein E is selected from at least one of S, Se, and Te; and wherein x and y are greater than 0; and (ii) a metal salt; and methods of removing chloramine from aqueous solutions.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: January 30, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Meredith McMurdo Doyle, Allen R. Siedle, Mark R. Stouffer, Thomas E. Wood
  • Patent number: 9701555
    Abstract: Described herein is a liquid filtration device is disclosed comprising a fluid conduit fluidly connecting a fluid inlet to a fluid outlet; and a water filtration medium disposed in the fluid conduit; the water filter medium comprising a metal-containing particulate, wherein the metal-containing particulate comprises a thermolysis product of a metal carboxylate; and methods of removing chloramines from aqueous solutions.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: July 11, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Meredith McMurdo Doyle, Mark R. Stouffer, Thomas E. Wood
  • Patent number: 9663387
    Abstract: Described herein is a liquid filtration device is disclosed a vessel for treating an aqueous liquid, wherein the vessel contains a filtration medium and wherein the filtration medium comprises a metal sulfide, wherein the sulfur in the form of a metal sulfide is at least 0.5% by weight of the filtration media.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: May 30, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Allen R. Siedle, Meredith McMurdo Doyle, Mark R. Stouffer
  • Patent number: 9446328
    Abstract: Described herein is a liquid filtration device is disclosed comprising a fluid conduit fluidly connecting a fluid inlet to a fluid outlet; and a water filtration medium disposed in the fluid conduit; the water filter medium comprising a metal-containing particulate, wherein the metal-containing particulate comprises a thermolysis product of a metal salt wherein the salt is selected from nitrogen-containing oxyanions, sulfur-containing anions, chlorides, phosphates, and combinations thereof; and methods of removing chloramines from aqueous solutions.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: September 20, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: Mark R. Stouffer, Meredith McMurdo Doyle, Allen R. Siedle, Thomas E. Wood
  • Publication number: 20160167982
    Abstract: Described herein is a filtration medium and method for treating a chloramine-containing liquid. The active chloramine removal material comprises carbon, nitrogen, and sulfur, and the sum of the sulfur and nitrogen in the active chloramine removal material is at least 4.0 mass %.
    Type: Application
    Filed: March 14, 2013
    Publication date: June 16, 2016
    Inventors: Mark R. Stouffer, Steven D. McLarty, Angela M. Moreno, Allen R. Siedle, Thomas E. Wood, Meredith McMurdo Doyle
  • Publication number: 20140360942
    Abstract: Described herein is a liquid filtration device is disclosed a vessel for treating an aqueous liquid, wherein the vessel contains a filtration medium and wherein the filtration medium comprises a metal sulfide, wherein the sulfur in the form of a metal sulfide is at least 0.5% by weight of the filtration media.
    Type: Application
    Filed: December 18, 2012
    Publication date: December 11, 2014
    Inventors: Allen R. Siedle, Meredith McMurdo Doyle, Mark R. Stouffer
  • Publication number: 20140319061
    Abstract: Described herein is a filtration medium comprising a substrate, wherein the substrate comprises a thermolysis product of (i) a carbon substrate having a surface of COxEy, wherein E is selected from at least one of S, Se, and Te; and wherein x and y are greater than 0; and (ii) a metal salt; and methods of removing chloramine from aqueous solutions.
    Type: Application
    Filed: December 18, 2012
    Publication date: October 30, 2014
    Inventors: Meredith McMurdo Doyle, Allen R. Siedle, Mark R. Stouffer, Thomas E. Wood
  • Publication number: 20140305870
    Abstract: Described herein is a liquid filtration device is disclosed comprising a fluid conduit fluidly connecting a fluid inlet to a fluid outlet; and a water filtration medium disposed in the fluid conduit; the water filter medium comprising a metal-containing particulate, wherein the metal-containing particulate comprises a thermolysis product of a metal salt wherein the salt is selected from nitrogen-containing oxyanions, sulfur-containing anions, chlorides, phosphates, and combinations thereof; and methods of removing chloramines from aqueous solutions.
    Type: Application
    Filed: December 13, 2012
    Publication date: October 16, 2014
    Inventors: Mark R. Stouffer, Meredith McMurdo Doyle, Allen R. Siedle, Thomas E. Wood
  • Publication number: 20140305882
    Abstract: Described herein is a liquid filtration device is disclosed comprising a fluid conduit fluidly connecting a fluid inlet to a fluid outlet; and a water filtration medium disposed in the fluid conduit; the water filter medium comprising a metal-containing particulate, wherein the metal-containing particulate comprises a thermolysis product of a metal carboxylate; and methods of removing chloramines from aqueous solutions.
    Type: Application
    Filed: December 13, 2012
    Publication date: October 16, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Meredith McMurdo Doyle, Mark R. Stouffer, Thomas E. Wood