Patents by Inventor Olga Jazkewitsch

Olga Jazkewitsch 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).

  • Amino acid-modified siloxanes, process for preparing them and application
    Patent number: 9481695
    Abstract: A process for preparing amino acid-modified siloxanes that can be carried out under mild conditions is provided as well as organically modified silicones for care formulations for skin, hair and textiles that are toxicologically unobjectionable.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: November 1, 2016
    Assignee: EVONIK INDUSTRIES AG
    Inventors: Wilfried Knott, Frauke Henning, Sadik Amajjahe, Sarah Krauskopf, Michael Fiedel, Olga Jazkewitsch, Christian Hartung
  • Polysiloxane-polyether copolymers with amino groups and/or quaternary ammonium groups in the polyether moiety and processes for the preparation thereof
    Patent number: 9346919
    Abstract: Polysiloxane polyether copolymers with amino groups and/or quaternary ammonium groups in the polyether moiety, process for their preparation from hydrogen siloxanes and chlorine-containing unsaturated polyethers in a hydrosilylation reaction with subsequent substitution of chlorine by amine groups and use as softeners for textile fabrics.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: May 24, 2016
    Assignee: Evonik DeGussa GmbH
    Inventors: Olga Jazkewitsch, Frank Schubert, Michael Fiedel, Frank Koenig, Dirk Kuppert
  • AMINO ACID-MODIFIED SILOXANES, PROCESS FOR PREPARING THEM AND APPLICATION
    Publication number: 20150023900
    Abstract: A process for preparing amino acid-modified siloxanes that can be carried out under mild conditions is provided as well as organically modified silicones for care formulations for skin, hair and textiles that are toxicologically unobjectionable.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 22, 2015
    Applicant: Evonik Industries AG
    Inventors: Wilfried Knott, Frauke Henning, Sadik Amajjahe, Sarah Krauskopf, Michael Fiedel, Olga Jazkewitsch, Christian Hartung
  • Polysiloxane-polyether copolymers with amino groups and/or quaternary ammonium groups in the polyether moiety and processes for the preparation thereof
    Publication number: 20140303065
    Abstract: Polysiloxane polyether copolymers with amino groups and/or quaternary ammonium groups in the polyether moiety, process for their preparation from hydrogen siloxanes and chlorine-containing unsaturated polyethers in a hydrosilylation reaction with subsequent substitution of chlorine by amine groups and use as softeners for textile fabrics.
    Type: Application
    Filed: March 18, 2014
    Publication date: October 9, 2014
    Applicant: Evonik Industries AG
    Inventors: Olga Jazkewitsch, Frank Schubert, Michael Fiedel, Frank Koenig, Dirk Kuppert