Patents by Inventor Heike Luther

Heike Luther 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).

  • Low surface tension surfactants based on amino alcohol and their use
    Patent number: 7399348
    Abstract: The invention provides low surface tension surfactants based on amino alcohol and also provides for their use in aqueous coating formulations, said surfactants being preparable by reacting at least one secondary amine of formula (I): with at least one diepoxide of formula (IV): and/or with at least one triepoxide of formula (IV): in essentially equivalent amounts of amine hydrogen atoms and epoxide groups.
    Type: Grant
    Filed: May 12, 2004
    Date of Patent: July 15, 2008
    Assignee: Goldschmidt GmbH
    Inventors: Gaetano Blanda, Ingrid Eiβmann, Kathrin Lehmann, Heike Lüther, Stefan Silber, Philipp Tomuschat
  • Preparation of organically modified polyorganosiloxanes
    Patent number: 7053166
    Abstract: The present invention provides a process for reacting A) polyorganosiloxanes which contain —Si(H) units and are of the general formula (I) with B) a mono- or pholyhydric alcohol, which comprises using small amounts of a mixture which consists of at least one acid and at least one salt of an acid as a catalyst.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: May 30, 2006
    Assignee: Goldschmidt GmbH
    Inventors: Isabella Brehm, Ingrid Eissmann, Heike Lüther, Philipp Tomuschat
  • Low surface tension surfactants based on amino alcohol and their use
    Publication number: 20040229768
    Abstract: The invention provides low surface tension surfactants based on amino alcohol and also provides for their use in aqueous coating formulations, said surfactants being preparable by reacting at least one secondary amine of formula (I): 1
    Type: Application
    Filed: May 12, 2004
    Publication date: November 18, 2004
    Inventors: Gaetano Blanda, Ingrid Eibmann, Kathrin Lehmann, Heike Luther, Stefan Silber, Philipp Tomuschat
  • Preparation of organically modified polyorganosiloxanes
    Publication number: 20040186259
    Abstract: The present invention provides a process for reacting
    Type: Application
    Filed: March 19, 2004
    Publication date: September 23, 2004
    Inventors: Isabella Brehm, Ingrid Eissmann, Heike Luther, Philipp Tomuschat