Patents by Inventor Ulrich J. WIETELMANN

Ulrich J. WIETELMANN 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).

  • Method for producing low-acid lithium borate salts and mixtures of low-acid lithium borate salts and lithium hydride
    Patent number: 9847552
    Abstract: A solvent-free mixture of a crude lithium borate salt and lithium hydride, wherein the lithium hydride is at least 0.001 wt. % and at most 10 wt. %, relative to the weight of crude lithium borate salt, wherein the mixture has a water content of at most 100 ?mol/g and an acid content of at most 10 ?mol H+/g of crude lithium borate salt, method for producing the same, and use thereof for battery electrolytes.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: December 19, 2017
    Assignee: ALBERMARLE GERMANY GMBH
    Inventors: Rainer Dietz, Ulrich J. Wietelmann, Uwe Lischka, Ute Emmel
  • METHOD FOR PRODUCING LOW-ACID LITHIUM BORATE SALTS AND MIXTURES OF LOW-ACID LITHIUM BORATE SALTS AND LITHIUM HYDRIDE
    Publication number: 20160028120
    Abstract: Mixtures of low-acid lithium borate salts and lithium hydride, methods for producing the same and the use thereof for battery electrolytes.
    Type: Application
    Filed: July 31, 2015
    Publication date: January 28, 2016
    Inventors: Rainer DIETZ, Ulrich J. WIETELMANN, Uwe LISCHKA, Ute EMMEL