Patents by Inventor Olaf Holler

Olaf Holler 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).

  • Preparation of superabsorbent polymers
    Patent number: 7612016
    Abstract: The invention describes superabsorbent polymers composed of surface-post crosslinked polycarboxypolysaccharides having excellent age-stable absorption properties, even under load, high attrition resistance and biodegradability and their use for absorbing water, aqueous or serous fluids and also blood. Also disclosed is a method of making which is impervious to changes in raw material quality and which provides consistent product quality.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: November 3, 2009
    Assignee: Evonik Stockhausen GmbH
    Inventors: Richard Mertens, Olaf Höller
  • SUPERABSORBENT POLYMERS, PREPARATION THEREOF AND USE THEREOF
    Publication number: 20080262155
    Abstract: The invention describes superabsorbent polymers composed of surface-post crosslinked polycarboxypolysaccharides having excellent age-stable absorption properties, even under load, high attrition resistance and biodegradability and their use for absorbing water, aqueous or serous fluids and also blood. Also disclosed is a method of making which is impervious to changes in raw material quality and which provides consistent product quality.
    Type: Application
    Filed: June 26, 2008
    Publication date: October 23, 2008
    Inventors: Richard MERTENS, Olaf Holler
  • Supersuperabsorbent polymers
    Patent number: 7407912
    Abstract: The invention describes supersuperabsorbent polymers composed of surface-post crosslinked polycarboxypolysaccharides having excellent age-stable absorption properties, even under load, high attrition resistance and biodegradability and their use for absorbing water, aqueous or serous fluids and also blood. Also disclosed is a method of making which is impervious to changes in raw material quality and which provides consistent product quality.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: August 5, 2008
    Assignee: Stockhausen GmbH
    Inventors: Richard Mertens, Olaf Höller
  • Supersuperabsorbent polymers, preparation thereof and use thereof
    Publication number: 20040157734
    Abstract: The invention describes supersuperabsorbent polymers composed of surface-post crosslinked polycarboxypolysaccharides having excellent age-stable absorption properties, even under load, high attrition resistance and biodegradability and their use for absorbing water, aqueous or serous fluids and also blood. Also disclosed is a method of making which is impervious to changes in raw material quality and which provides consistent product quality.
    Type: Application
    Filed: November 25, 2003
    Publication date: August 12, 2004
    Inventors: Richard Mertens, Olaf Holler