Patents by Inventor Usha Kiran TOTTEMPUDI

Usha Kiran TOTTEMPUDI 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).

  • Non-aqueous electrolytes for lithium-ion batteries comprising asymmetric borates
    Patent number: 10720668
    Abstract: An electrolyte composition (A) containing at least one aprotic organic solvent and at least one compound of formula (I) wherein A+ is selected from Li+, Na+, K+, Cs+, and ammonium; is a bidentate radical derived from a (hetero)aromatic 1,2-, 1,3- or 1,4-diol, from a (hetero)aromatic 1,2-, 1,3- or 1,4-dicarboxylic acid or from a (hetero)aromatic 1,2-, 1,3- or 1,4-hydroxycarboxylic acid by abstracting the two H atoms of pairs of adjacent OH groups; and R1 and R2 are organic substituents.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: July 21, 2020
    Assignees: BASF SE, Rhode Island Board of Education, State of Rhode Island and Providence Plantations
    Inventors: Arnd Garsuch, Michael Schmidt, Frederick Francois Chesneau, Stefano Meini, Brett Lucht, Usha Kiran Tottempudi, Yingnan Dong, Michael Rohde, Julien Demeaux
  • NON-AQUEOUS ELECTROLYTES FOR LITHIUM-ION BATTERIES COMPRISING ASYMMETRIC BORATES
    Publication number: 20180375157
    Abstract: An electrolyte composition (A) containing at least one aprotic organic solvent and at least one compound of formula (I) wherein A+ is selected from Li+, Na+, K+, Cs+, and ammonium; is a bidentate radical derived from a (hetero)aromatic 1,2-, 1,3- or 1,4-diol, from a (hetero)aromatic 1,2-, 1,3- or 1,4-dicarboxylic acid or from a (hetero)aromatic 1,2-, 1,3- or 1,4-hydroxycarboxylic acid by abstracting the two H atoms of pairs of adjacent OH groups; and R1 and R2 are organic substituents.
    Type: Application
    Filed: December 8, 2016
    Publication date: December 27, 2018
    Applicants: BASF SE, Rhode Island Board of Education, State of Rhode Island and Providence Plantations
    Inventors: Arnd GARSUCH, Michael SCHMIDT, Frederick Francois CHESNEAU, Stefano MEINI, Brett LUCHT, Usha Kiran TOTTEMPUDI, Yingnan DONG, Michael ROHDE, Julien DEMEAUX