Patents by Inventor Christopher Jay Woltermann

Christopher Jay Woltermann 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).

  • Stabilized lithium metal powder for Li-ion application, composition and process
    Patent number: 11171323
    Abstract: The present invention provides a lithium metal powder protected by a substantially continuous layer of a polymer. Such a substantially continuous polymer layer provides improved protection such as compared to typical CO2-passivation.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: November 9, 2021
    Assignee: FMC LITHIUM USA CORP.
    Inventors: Marina Yakovleva, Yuan Gao, Kenneth Brian Fitch, Prakash Thyaga Palepu, Yangxing Li, Christopher Jay Woltermann
  • Stabilized Lithium Metal Powder for Li-Ion Application, Composition and Process
    Publication number: 20180261829
    Abstract: The present invention provides a lithium metal powder protected by a substantially continuous layer of a polymer. Such a substantially continuous polymer layer provides improved protection such as compared to typical CO2-passivation.
    Type: Application
    Filed: May 9, 2018
    Publication date: September 13, 2018
    Applicant: FMC Corporation, Lithium Division
    Inventors: Marina Yakovleva, Yuan Gao, Kenneth Brian Fitch, Prakash Thyaga Palepu, Yangxing Li, Christopher Jay Woltermann
  • Stabilized Lithium Metal Powder for Li-Ion Application, Composition and Process
    Publication number: 20170149052
    Abstract: The present invention provides a lithium metal powder protected by a substantially continuous layer of a polymer. Such a substantially continuous polymer layer provides improved protection such as compared to typical CO2-passivation.
    Type: Application
    Filed: February 1, 2017
    Publication date: May 25, 2017
    Applicant: FMC Corporation, Lithium Division
    Inventors: Marina Yakovleva, Yuan Gao, Kenneth Brian Fitch, Prakash Thyaga Palepu, Yangxing Li, Christopher Jay Woltermann
  • Substituted alkylmetal compositions and methods of preparing the same
    Patent number: 7754101
    Abstract: Substituted alkylmetal solutions and a method for making the same wherein the solutions include (a) a substituted alkylmetal compound of the formula of M-CH2—W(Ra) (Rb) (Rc) at a concentration of greater than 1.0M; (b) a hydrocarbon solvent; and (c) an amine cosolvent.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: July 13, 2010
    Assignee: FMC Corporation
    Inventors: Chun-Tzer Chou, Christopher Jay Woltermann
  • STABILIZED LITHIUM METAL POWDER FOR LI-ION APPLICATION, COMPOSITION AND PROCESS
    Publication number: 20100024597
    Abstract: A method of stabilizing lithium metal powder is provided. The method includes the steps of heating lithium metal to a temperature above its melting point, agitating the molten lithium metal, and contacting the lithium metal with a fluorination agent to provide a stabilized lithium metal powder.
    Type: Application
    Filed: August 14, 2009
    Publication date: February 4, 2010
    Inventors: B. Troy Dover, Christopher Jay Woltermann, Marina Yakovleva, Yuan Gao, Prakash Thyaga Palepu
  • Stabilized lithium metal powder for li-ion application, composition and process
    Patent number: 7588623
    Abstract: A method of stabilizing lithium metal powder is provided. The method includes the steps of heating lithium metal to a temperature above its melting point, agitating the molten lithium metal, and contacting the lithium metal with a fluorination agent to provide a stabilized lithium metal powder.
    Type: Grant
    Filed: July 3, 2006
    Date of Patent: September 15, 2009
    Assignee: FMC Corporation Lithium Division
    Inventors: B. Troy Dover, Christopher Jay Woltermann, Marina Yakovleva, Yuan Gao, Prakash Thyaga Palepu
  • SUBSTITUTED ALKYLMETAL COMPOSITIONS AND METHODS OF PREPARING THE SAME
    Publication number: 20090140200
    Abstract: Provided herein according to some embodiments of the invention are substituted alkylmetal solutions that include (a) a substituted alkylmetal compound of the formula of M-CH2—W(Ra)(Rb)(Rc) at a concentration of greater than 1.0M; (b) a hydrocarbon solvent; and (c) an amine cosolvent. Also provided herein are methods of making the same.
    Type: Application
    Filed: November 20, 2008
    Publication date: June 4, 2009
    Inventors: Chun-Tzer Chou, Christopher Jay Woltermann
  • STABILIZED LITHIUM METAL POWDER FOR LI-ION APPLICATION, COMPOSITION AND PROCESS
    Publication number: 20090061321
    Abstract: The present invention provides a lithium metal powder protected by a substantially continuous layer of a polymer. Such a substantially continuous polymer layer provides improved protection such as compared to typical CO2-passivation.
    Type: Application
    Filed: August 26, 2008
    Publication date: March 5, 2009
    Inventors: Marina Yakovleva, Yuan Gao, Kenneth Brian Fitch, Prakash Thyaga Palepu, Yangxing Li, Christopher Jay Woltermann