Patents by Inventor Edward E. Alexander

Edward E. Alexander 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).

  • Coated separators, lithium batteries, and related methods
    Patent number: 11949124
    Abstract: New and/or improved coatings, layers or treatments for porous substrates, including battery separators or separator membranes, and/or coated or treated porous substrates, including coated battery separators, and/or batteries or cells including such coatings or coated separators, and/or related methods including methods of manufacture and/or of use thereof are disclosed. Also, new or improved coatings for porous substrates, including battery separators, which comprise at least a matrix material or a polymeric binder, and heat-resistant particles with additional additives, materials or components, and/or to new or improved coated or treated porous substrates, including battery separators, where the coating comprises at least a matrix material or a polymeric binder, and heat-resistant particles with additional additives, materials or components are disclosed.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: April 2, 2024
    Assignee: Celgard, LLC
    Inventors: Zhengming Zhang, Michael B. Lane, Insik Jeon, Edward Kruger, Xiang Yu, Ronnie E. Smith, Stefan Reinartz, Junqing Ma, Daniel R. Alexander
  • Extraction solvent for extracting metallic elements, method for producing same, and method for recovering metallic elements
    Patent number: 9752208
    Abstract: The present invention provides an extraction solvent for extracting metallic elements that is characterized in that: the total concentration of chlorine (Cl2) and hypochlorous acid (HOCl) is from 20 to 1000 ppm; chlorine (Cl2) and hypochlorous acid (HOCl) are included at a molar ratio of 1:1 to 1:11; the oxidation-reduction potential is from 1100 to 1400 mV; and the pH is from 1.7 to 3.7. The present invention also provides a method for producing said extraction solvent, and a method for recovering metallic elements by using said extraction solvent.
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: September 5, 2017
    Inventors: Timothy W. Yarlott, Kokichi Hanaoka, Hiroshi Tanaka, Dick Wullaert, Edward E. Alexander
  • EXTRACTION SOLVENT FOR EXTRACTING METALLIC ELEMENTS, METHOD FOR PRODUCING SAME, AND METHOD FOR RECOVERING METALLIC ELEMENTS
    Publication number: 20150218670
    Abstract: The present invention provides an extraction solvent for extracting metallic elements that is characterized in that: the total concentration of chlorine (Cl2) and hypochlorous acid (HOCl) is from 20 to 1000 ppm; chlorine (Cl2) and hypochlorous acid (HOCl) are included at a molar ratio of 1:1 to 1:11; the oxidation-reduction potential is from 1100 to 1400 mV; and the pH is from 1.7 to 3.7. The present invention also provides a method for producing said extraction solvent, and a method for recovering metallic elements by using said extraction solvent.
    Type: Application
    Filed: May 16, 2012
    Publication date: August 6, 2015
    Inventors: Timothy W. Yarlott, Kokichi Hanaoka, Hiroshi Tanaka, Dick Wullaert, Edward E. Alexander