Patents by Inventor Hanno Rüdiger Wolf

Hanno Rüdiger Wolf 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).

  • Method for the pneumatic delivery of superabsorbent particles
    Patent number: 11859059
    Abstract: A method of pneumatically conveying superabsorbent particles, wherein the superabsorbent particles have been admixed with an aqueous wax dispersion prior to the pneumatic conveying, the wax has a glass transition temperature of at least 65° C. and, based on the untreated superabsorbent particles, from 0.020% to 0.20% by weight of wax has been used.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: January 2, 2024
    Assignee: BASF SE
    Inventors: Stephan Bauer, Katrin Baumann, Markus Toennessen, Thomas Daniel, Hanno Rüdiger Wolf
  • METHOD FOR THE PNEUMATIC DELIVERY OF SUPERABSORBENT PARTICLES
    Publication number: 20200347192
    Abstract: A method of pneumatically conveying superabsorbent particles, wherein the superabsorbent particles have been admixed with an aqueous wax dispersion prior to the pneumatic conveying, the wax has a glass transition temperature of at least 65° C. and, based on the untreated super-absorbent particles, from 0.020% to 0.20% by weight of wax has been used.
    Type: Application
    Filed: January 28, 2019
    Publication date: November 5, 2020
    Inventors: Stephan Bauer, Katrin Baumann, Markus Toennessen, Thomas Daniel, Hanno Rüdiger Wolf
  • Process for pneumatic conveying of water-absorbing polymer particles
    Patent number: 8651773
    Abstract: A process for pneumatic delivery of water-absorbing polymer particles, the initial gas rate in the delivery being from 1 to 6 m/s and the delivery material loading being from 1 to 100 kg/kg.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: February 18, 2014
    Assignee: BASF SE
    Inventors: Rüdiger Funk, Hermann Josef Feise, Hanno Rüdiger Wolf
  • Method for the pneumatic conveying of water-absorbent polymer particles
    Patent number: 8591152
    Abstract: A process for pneumatic delivery of water-absorbing polymer particles, the compressor used for pneumatic delivery having a steep characteristic and the initial gas rate in the delivery corresponding to a Froude number of from 10 to 18.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: November 26, 2013
    Assignee: BASF SE
    Inventors: Rüdiger Funk, Hanno Rüdiger Wolf, Hermann Josef Feise
  • Process for metering superabsorbents
    Patent number: 8371475
    Abstract: Superabsorbents are metered by a process using a screw conveyor, wherein the superabsorbent is selected, or treated with a cohesion control agent, to have an unconfined yield strength of from 0.75 to 1.5 kPa at consolidation stress of 6 kPa.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: February 12, 2013
    Assignee: BASF SE
    Inventors: Norbert Herfert, Herman Josef Feise, Hanno Rüdiger Wolf
  • Superabsorbents having superior permeability and conveying properties
    Patent number: 8017549
    Abstract: A superabsorbent having superior permeability and conveying properties comprises a permeability enhancing agent and a cohesion control agent and has a free swell gel bed permeability of at least 15 Darcies and a Hausner ratio in the range of 1.18 to 1.34.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: September 13, 2011
    Assignee: BASF SE
    Inventors: Norbert Herfert, Martin Wendker, Hermann Josef Feise, Hanno Rüdiger Wolf, Bill Chiang, Guy Thomas Woodrum
  • Process for Metering Superabsorbents
    Publication number: 20100206897
    Abstract: Superabsorbents are metered by a process using a screw conveyor, wherein the superabsorbent is selected, or treated with a cohesion control agent, to have an unconfined yield strength of from 0.75 to 1.5 kPa at consolidation stress of 6 kPa.
    Type: Application
    Filed: September 12, 2008
    Publication date: August 19, 2010
    Applicant: BASF SE
    Inventors: Norbert Herfert, Hermann Josef Feise, Hanno Rüdiger Wolf
  • Superabsorbents Having Superior Permeability and Conveying Properties
    Publication number: 20100093949
    Abstract: A superabsorbent having superior permeability and conveying properties comprises a permeability enhancing agent and a cohesion control agent and has a free swell gel bed permeability of at least 15 Darcies and a Hausner ratio in the range of 1.18 to 1.34.
    Type: Application
    Filed: November 7, 2007
    Publication date: April 15, 2010
    Applicant: BASF SE
    Inventors: Norbert Herfert, Martin Wendker, Hermann Josef Feise, Hanno Rüdiger Wolf, Bill Chiang, Guy Thomas Woodrum