Patents by Inventor Dietmar Oeter

Dietmar Oeter 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).

  • Patent number: 6939527
    Abstract: The invention relates to a novel chromatographic process for the further purification of hydrogen peroxide solutions, giving high-purity solutions which can be employed in semiconductor technology under today's high purity requirements.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: September 6, 2005
    Assignee: Merck Patent GmbH
    Inventors: Dietmar Oeter, Claus Dusemund, Ewald Neumann, Klaus Freissler, Martin Hostalek
  • Publication number: 20030165420
    Abstract: The invention relates to a novel chromatographic process for the further purification of hydrogen peroxide solutions, giving high-purity solutions which can be employed in semiconductor technology under today's high purity requirements.
    Type: Application
    Filed: November 22, 2002
    Publication date: September 4, 2003
    Inventors: Dietmar Oeter, Claus Dusemund, Ewald Neumann, Klaus Freissler, Martin Hostalek