Patents by Inventor M. Edgar Armacanqui

M. Edgar Armacanqui 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).

  • ALKALINE ELECTROCHEMICAL CELL WITH IMPROVED ANODE AND SEPARATOR COMPONENTS
    Publication number: 20230395784
    Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.
    Type: Application
    Filed: August 21, 2023
    Publication date: December 7, 2023
    Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley, Matthew Hennek, Tim F. Turba, Enqing Zhu
  • Separator for metal air cells
    Patent number: 11784375
    Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode having an anode active material and an electrolyte; and a separator disposed between the cathode and the anode; wherein the separator includes a non-conductive, porous material having a mean pore size of about 1 micron to about 5 microns, a maximum pore size of about 19 microns, and an air permeability of about 0.5 cc/cm2/s to about 3.8 cc/cm2/s at 125 Pa.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: October 10, 2023
    Assignee: Energizer Brands, LLC
    Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Donald Raymond Crowe, Enqing Zhu, John L. Hadley, Matthew Hennek, Tim F. Turba
  • Alkaline electrochemical cell with improved anode and separator components
    Patent number: 11757088
    Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: September 12, 2023
    Assignee: Energizer Brands, LLC
    Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley, Matthew Hennek, Tim F. Turba, Enqing Zhu
  • SEPARATOR FOR ALKALINE CELLS
    Publication number: 20230261319
    Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode having an anode active material and an electrolyte; and a separator disposed between the cathode and the anode; wherein the separator includes a non-conductive, porous material having a mean pore size of about 1 micron to about 5 microns, a maximum pore size of about 19 microns, and an air permeability of about 0.5 cc/cm2/s to about 3.8 cc/cm2/s at 125 Pa.
    Type: Application
    Filed: April 27, 2023
    Publication date: August 17, 2023
    Inventors: M. Edgar ARMACANQUI, Andrew J. ROSZKOWSKI, Donald Raymond CROWE, Enqing ZHU, John L. HADLEY, Matthew HENNEK, Tim F. TURBA
  • Separator for alkaline cells
    Patent number: 11670823
    Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode having an anode active material and an electrolyte; and a separator disposed between the cathode and the anode; wherein the separator includes a non-conductive, porous material having a mean pore size of about 1 micron to about 5 microns, a maximum pore size of about 19 microns, and an air permeability of about 0.5 cc/cm2/s to about 3.8 cc/cm2/s at 125 Pa.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: June 6, 2023
    Assignee: Energizer Brands, LLC
    Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Donald Raymond Crowe, Enqing Zhu, John L. Hadley, Matthew Hennek, Tim F. Turba
  • Alkaline electrochemical cell with improved anode and separator components
    Patent number: 11264607
    Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: March 1, 2022
    Assignee: Energizer Brands, LLC
    Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley, Matthew Hennek, Tim F. Turba, Enqing Zhu
  • Alkaline cell with improved discharge efficiency
    Patent number: 11133497
    Abstract: A gelled anode for an alkaline electrochemical cell contains zinc-based particles, an alkaline electrolyte, a gelling agent, and two or more additives selected from the group consisting of an alkali metal hydroxide, an organic phosphate ester surfactant, a metal oxide, and tin, which as reduced cell gassing properties relative to cells lacking such additives.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: September 28, 2021
    Assignee: Energizer Brands, LLC
    Inventors: M. Edgar Armacanqui, Wen Li, Donald Raymond Crowe, Andrew J. Roszkowski, John Hadley, Janna Rose
  • SEPARATOR FOR METAL AIR CELLS
    Publication number: 20210265701
    Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode having an anode active material and an electrolyte; and a separator disposed between the cathode and the anode; wherein the separator includes a non-conductive, porous material having a mean pore size of about 1 micron to about 5 microns, a maximum pore size of about 19 microns, and an air permeability of about 0.5 cc/cm2/s to about 3.8 cc/cm2/s at 125 Pa.
    Type: Application
    Filed: May 10, 2021
    Publication date: August 26, 2021
    Applicant: Energizer Brands, LLC
    Inventors: M. Edgar ARMACANQUI, Andrew J. ROSZKOWSKI, Donald Raymond CROWE, Enqing ZHU, John L. HADLEY, Matthew HENNEK, Tim F. TURBA
  • ALKALINE ELECTROCHEMICAL CELLS
    Publication number: 20200303727
    Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode; and a separator disposed between the cathode and the anode; wherein the gelled anode includes, an anode active material, an alkaline electrolyte; a gelling agent; and about 10 ppm to 250 ppm of an alkoxylated alkyl phosphate ester surfactant; and wherein from about 15% to about 60% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m
    Type: Application
    Filed: November 19, 2018
    Publication date: September 24, 2020
    Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Donald Raymond Crowe
  • SEPARATOR FOR ALKALINE CELLS
    Publication number: 20200295330
    Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode having an anode active material and an electrolyte; and a separator disposed between the cathode and the anode; wherein the separator includes a non-conductive, porous material having a mean pore size of about 1 micron to about 5 microns, a maximum pore size of about 19 microns, and an air permeability of about 0.5 cc/cm2/s to about 3.8 cc/cm2/s at 125 Pa.
    Type: Application
    Filed: September 14, 2018
    Publication date: September 17, 2020
    Inventors: M. Edgar ARMACANQUI, Andrew J. ROSZKOWSKI, Donald Raymond CROWE, Gloria ZHU, John L. HADLEY, Matthew HENNEK, Tim F. TURBA
  • Alkaline electrochemical cell with improved anode and separator components
    Patent number: 10693125
    Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: June 23, 2020
    Assignee: Energizer Brands, LLC
    Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley, Matthew Hennek, Tim F. Turba, Enqing Zhu
  • ALKALINE ELECTROCHEMICAL CELL WITH IMPROVED ANODE AND SEPARATOR COMPONENTS
    Publication number: 20200161637
    Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.
    Type: Application
    Filed: January 24, 2020
    Publication date: May 21, 2020
    Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley, Matthew Hennek, Tim F. Turba, Gloria Zhu
  • Alkaline cell with improved reliability and discharge performance
    Patent number: 10446832
    Abstract: A negative electrode for an alkaline battery cell which includes zinc-based particles, wherein less than 20% of the zinc-based particles, by weight relative to the total zinc in the electrode, have a particle size of greater than about 150 micrometers, is provided. An alkaline electrochemical cell that includes the negative electrode and a method for reducing the gassing of the electrochemical cell is also provided.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: October 15, 2019
    Assignee: Energizer Brands, LLC
    Inventors: M. Edgar Armacanqui, Wen Li, John Hadley, Matthew Hennek
  • ALKALINE ELECTROCHEMICAL CELL WITH IMPROVED ANODE AND SEPARATOR COMPONENTS
    Publication number: 20190214632
    Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.
    Type: Application
    Filed: June 19, 2017
    Publication date: July 11, 2019
    Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley
  • ALKALINE CELL WITH IMPROVED DISCHARGE EFFICIENCY
    Publication number: 20180114978
    Abstract: A gelled anode for an alkaline electrochemical cell contains zinc-based particles, an alkaline electrolyte, a gelling agent, and two or more additives selected from the group consisting of an alkali metal hydroxide, an organic phosphate ester surfactant, a metal oxide, and tin, which as reduced cell gassing properties relative to cells lacking such additives.
    Type: Application
    Filed: May 12, 2016
    Publication date: April 26, 2018
    Inventors: M. Edgar ARMACANQUI, Wen LI, Donald Raymond CROWE, Andrew J. ROSZKOWSKI, John HADLEY, Janna ROSE
  • ALKALINE CELL WITH IMPROVED RELIABILITY AND DISCHARGE PERFORMANCE
    Publication number: 20180013133
    Abstract: A negative electrode for an alkaline battery cell which includes zinc-based particles, wherein less than 20% of the zinc-based particles, by weight relative to the total zinc in the electrode, have a particle size of greater than about 150 micrometers, is provided. An alkaline electrochemical cell that includes the negative electrode and a method for reducing the gassing of the electrochemical cell is also provided.
    Type: Application
    Filed: January 11, 2016
    Publication date: January 11, 2018
    Inventors: M. Edgar Armacanqui, Wen Li, John Hadley, Matthew Hennek
  • ALKALINE ELECTROCHEMICAL CELL WITH IMPROVED ANODE AND SEPARATOR COMPONENTS
    Publication number: 20170365830
    Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.
    Type: Application
    Filed: June 19, 2017
    Publication date: December 21, 2017
    Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley
  • Alkaline cell with improved high rate capacity
    Patent number: 9455440
    Abstract: The present disclosure relates generally to an alkaline electrochemical cell, such as a battery, and in particular to an improved gelled anode suitable for use therein. More specifically, the present disclosure relates to a gelled anode that improves anode discharge efficiency by adjusting physical properties such as apparent density.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: September 27, 2016
    Assignee: SPECTRUM BRANDS, INC.
    Inventors: M. Edgar Armacanqui, Wen Li, Andrew John Roszkowski, John Lee Hadley, Janna Lynn Rose
  • ALKALINE CELL WITH IMPROVED HIGH RATE CAPACITY
    Publication number: 20160133920
    Abstract: The present disclosure relates generally to an alkaline electrochemical cell, such as a battery, and in particular to an improved gelled anode suitable for use therein. More specifically, the present disclosure relates to a gelled anode that improves anode discharge efficiency by adjusting physical properties such as apparent density.
    Type: Application
    Filed: January 5, 2016
    Publication date: May 12, 2016
    Inventors: M. Edgar Armacanqui, Wen Li, Andrew John Roszkowski, John Lee Hadley, Janna Lynn Rose
  • Alkaline cell with improved high rate capability
    Patent number: 9252430
    Abstract: The present disclosure relates generally to an alkaline electrochemical cell, such as a battery, and in particular to an improved gelled anode suitable for use therein. More specifically, the present disclosure relates to a gelled anode that improves anode discharge efficiency by adjusting physical properties such as apparent density.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: February 2, 2016
    Assignee: SPECTRUM BRANDS, INC.
    Inventors: M. Edgar Armacanqui, Wen Li, Andrew John Roszkowski, John Lee Hadley, Janna Lynn Rose