Patents by Inventor Sylvia Becker

Sylvia Becker 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).

  • Process for the preparation of vinylene carbonate, polyvinylene carbonate and the use thereof and the preparation of a lithium ion battery comprising said vinylene carbonate
    Publication number: 20020107407
    Abstract: The invention relates to a process for the preparation of vinylene carbonate of the formula (I) 1
    Type: Application
    Filed: April 4, 2002
    Publication date: August 8, 2002
    Applicant: Merck Patent GmbH
    Inventors: Bernhard Seifert, Sylvia Becker, Mark Neuschutz
  • Process for the preparation of vinylene carbonate, and the use thereof
    Patent number: 6395908
    Abstract: The invention relates to a process for the preparation of vinylene carbonate of the formula (I) by reacting a monohaloethylene carbonate of the formula (II) in which X is a halogen atom, with a dehydrohalogenating agent at elevated temperature in the presence of an organic solvent, characterized in that the organic solvent employed is ethylene carbonate. The process according to the invention enables vinylene carbonate to be prepared in a simple manner and in high yield. The vinylene carbonate prepared in accordance with the invention can be used for various applications.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: May 28, 2002
    Assignee: Merck Patentgesellschaft
    Inventors: Bernhard Seifert, Sylvia Becker, Mark Neuschütz
  • Method for producing monohalogenated 2-oxo-1,3-dioxolanes
    Patent number: 6384239
    Abstract: The invention relates to a process for the preparation of monohalogenated 2-oxo-1,3-dioxolanes of the general formula C3H3XO3  (I) in which X is Cl or Br, characterized in that the monohalogenation is carried out starting from ethylene carbonate with sulfuryl dihalides under UV irradiation and in the absence of solvents.
    Type: Grant
    Filed: May 3, 2001
    Date of Patent: May 7, 2002
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Bernhard Seifert, Sylvia Becker