Patents by Inventor Ditmar Kischke

Ditmar Kischke 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).

  • Mixtures of gemini surfactants and fatty alcohol alkoxylates in rinse agents
    Patent number: 6805141
    Abstract: A rinse agent composition containing: (a) a gemini surfactant corresponding to formula I: R—CHOH—CH2—[OCH2CH2]x—O—CH2—CHOH—R  (I) wherein R is a linear or branched alkyl and/or alkenyl radical having from about 4 to 22 carbon atoms, and x is a number from about 5 to 90; and (b) a fatty alcohol alkoxylate corresponding to formula II: R1O[CH2(CH3)CHO]q(CH2CH2O)rH  (II) wherein R1 is a linear or branched alkyl and/or alkenyl group having from about 4 to 22 carbon atoms, and q is a number up to about 10, and r is a number from about 1 to 50, and wherein (a) and (b) are present in the composition in a ratio by weight of from about 1:1 to 4:1.
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: October 19, 2004
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Michael Elsner, Ditmar Kischke, Manfred Weuthen
  • Mixtures of gemini surfactants and fatty alcohol alkoxylates in rinse agents
    Publication number: 20030119703
    Abstract: The invention relates to rinse agents containing mixtures of gemini surfactants and fatty alcohol alkoxylates, optionally in conjunction with typical rinse agent ingredients, and to the use of these mixtures for improving wetting behavior in rinse agents.
    Type: Application
    Filed: December 12, 2002
    Publication date: June 26, 2003
    Inventors: Michael Elsner, Ditmar Kischke, Manfred Weuthen