Patents by Inventor Stephan Höltschi

Stephan Höltschi 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).

  • Fatty amine ethoxylate in polyalkylene glycol based engine oils
    Patent number: 10655078
    Abstract: A composition contains a polyalkylene glycol and a fatty amine ethoxylate, the fatty amine ethoxylate having non-cyclic structure of structure (I). Where R is a linear, non-cyclic carbon-containing group with that is free of nitrogen, x and y are selected from a group consisting of zero and positive values provided that the sum of x and y are in a range of 8-20.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: May 19, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Daniel F. Zweifel, Evelyn A. Zaugg-Hoozemans, Stephan Höltschi
  • FATTY AMINE ETHOXYLATE IN POLYALKYLENE GLYCOL BASED ENGINE OILS
    Publication number: 20170233673
    Abstract: A composition contains a polyalkylene glycol and a fatty amine ethoxylate, the fatty amine ethoxylate having non-cyclic structure of structure (I). Where R is a linear, non-cyclic carbon-containing group with that is free of nitrogen, x and y are selected from a group consisting of zero and positive values provided that the sum of x and y are in a range of 8-20.
    Type: Application
    Filed: October 8, 2015
    Publication date: August 17, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Daniel F. Zweifel, Evelyn A. Zaugg-Hoozemans, Stephan Höltschi