Patents by Inventor Kerstin Wei?enbach

Kerstin Wei?enbach 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).

  • Carboxyl-functionalized silicon-containing precursor compound of various organic carboxylic acids
    Patent number: 9108992
    Abstract: The invention relates to a composition of a carboxyl-functionalized silicon-containing precursor compound of at least two different organic acids, said composition having two, three, or four carboxyl groups functionalized with various hydrocarbon groups according to formula I and/or II. Said carboxyl groups can be released as carboxylic acids and can be used as silane hydrolysis catalysts and/or silane condensation catalysts. The invention further relates to methods for producing the composition, to the use of the composition for cross-linking polymers, and to a formulation of the composition in the form of a masterbatch.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: August 18, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Kerstin Weiβenbach, Aristidis Ioannidis, Bastian Bielawski, Christian Springer, Jaroslaw Monkiewicz