Patents by Inventor Birgit Weinenkötter

Birgit Weinenkötter 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).

  • USE OF BLOCK-COPOLYMERIC POLYALKYLENE OXIDES AS FRICTION REDUCERS IN SYNTHETIC LUBRICANTS
    Publication number: 20140057819
    Abstract: The invention relates to the use of block copolymers containing at least a block of aromatic oxyalkylene groups and a block of nonaromatic oxyalkylene groups as friction-reducing additive and also compositions and lubricant formulations containing the block copolymers of the invention.
    Type: Application
    Filed: August 22, 2013
    Publication date: February 27, 2014
    Applicant: Evonik Industries AG
    Inventors: Rene Haensel, Frank Schubert, Kirsten Schönemann, Birgit Weinenkötter, Thorsten Bartels, Peter Seidensticker