Patents by Inventor Norbert Nilewski

Norbert Nilewski 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).

  • Process for preparing polydimethylsiloxanes on sulphonic acid cation exchange resins
    Patent number: 8969502
    Abstract: The invention relates to a process for the targeted reorganization of polydimethylsiloxanes over sulphonic acid-containing cation exchange resins which have water contents of 8 to 25% by weight, and polydimethylsiloxanes thus prepared and the use thereof.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: March 3, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Wilfried Knott, Martin Glos, Norbert Nilewski
  • PROCESS FOR PREPARING POLYDIMETHYLSILOXANES ON SULPHONIC ACID CATION EXCHANGE RESINS
    Publication number: 20140094532
    Abstract: The invention relates to a process for the targeted reorganization of polydimethylsiloxanes over sulphonic acid-containing cation exchange resins which have water contents of 8 to 25% by weight, and polydimethylsiloxanes thus prepared and the use thereof.
    Type: Application
    Filed: December 5, 2013
    Publication date: April 3, 2014
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Wilfried Knott, Martin Glos, Norbert Nilewski
  • Process for preparing polydimethylsiloxanes on sulphonic acid cation exchange resins
    Patent number: 8609798
    Abstract: The invention relates to a process for the targeted reorganization of polydimethylsiloxanes over sulphonic acid-containing cation exchange resins which have water contents of 8 to 25% by weight, and polydimethylsiloxanes thus prepared and the use thereof.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: December 17, 2013
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Wilfried Knott, Martin Glos, Norbert Nilewski
  • PROCESS FOR PREPARING POLYDIMETHYLSILOXANES ON SULPHONIC ACID CATION EXCHANGE RESINS
    Publication number: 20100292357
    Abstract: The invention relates to a process for the targeted reorganization of polydimethylsiloxanes over sulphonic acid-containing cation exchange resins which have water contents of 8 to 25% by weight, and polydimethylsiloxanes thus prepared and the use thereof.
    Type: Application
    Filed: September 22, 2008
    Publication date: November 18, 2010
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Wilfried Knott, Martin Glos, Norbert Nilewski