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Donald K. Simmons

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  • Fayetteville, GA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    MEMBRANE MADE OF A BLEND OF UHMW POLYOLEFINS
    • Publication number 20210013477
    • Publication date Jan 14, 2021
    • CELGARD, LLC
    • Donald K. Simmons
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    MULTILAYER BATTERY SEPARATORS
    • Publication number 20180134024
    • Publication date May 17, 2018
    • Celgard, LLC
    • Ronald W.. Call
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    MEMBRANE MADE OF A BLEND OF UHMW POLYOLEFINS
    • Publication number 20160043372
    • Publication date Feb 11, 2016
    • Celgard LLC
    • Donald K. Simmons
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Battery Separator With Z-Direction Stability
    • Publication number 20080268345
    • Publication date Oct 30, 2008
    • Zhengming Zhang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Membrane made of a blend of UHMW polyolefins
    • Publication number 20070221567
    • Publication date Sep 27, 2007
    • Celgard LLC
    • Donald K. Simmons
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    MULTILAYER BATTERY SEPARATORS
    • Publication number 20070207376
    • Publication date Sep 6, 2007
    • Ronald W. Call
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    BATTERY SEPARATOR WITH Z-DIRECTION STABILITY
    • Publication number 20070105019
    • Publication date May 10, 2007
    • Pankaj Arora
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Battery separator with Z-direction stability
    • Publication number 20060088769
    • Publication date Apr 27, 2006
    • Celgard LLC
    • Pankaj Arora
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Method of making a composite microporous membrane
    • Publication number 20050202163
    • Publication date Sep 15, 2005
    • Celgard Inc.
    • Khuy V. Nguyen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Explosion-proof separator for Li-ion secondary batteries
    • Publication number 20050031941
    • Publication date Feb 10, 2005
    • Celgard Inc.
    • Zhengming Zhang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Explosion-proof separator for Li-ion secondary batteries
    • Publication number 20040086782
    • Publication date May 6, 2004
    • Celgard Inc.
    • Zhengming Zhang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Diffusion membrane
    • Publication number 20030104236
    • Publication date Jun 5, 2003
    • Celgard Inc.
    • Khuy V. Nguyen
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Battery separator
    • Publication number 20030099877
    • Publication date May 29, 2003
    • Celgard Inc.
    • Ronald W. Call
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    Battery separator - pin removal
    • Publication number 20030072995
    • Publication date Apr 17, 2003
    • Celgard Inc.
    • Robert A. Nark
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Multilayer battery separators
    • Publication number 20020136945
    • Publication date Sep 26, 2002
    • Ronald W. Call
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL