Patents by Inventor Lydia König

Lydia König 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 producing water-absorbing polymer particles by suspension polymerization
    Patent number: 11591424
    Abstract: A process for producing water-absorbing polymer particles by suspension polymerization and thermal surface postcrosslinking, wherein the base polymer obtained by suspension polymerization has a centrifuge retention capacity of at least 37 g/g and the thermal surface postcrosslinking is conducted at 100 to 190° C.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: February 28, 2023
    Assignee: BASF SE
    Inventors: Stephan Bauer, Tina Mark, Lydia König, Yvonne Hagen, Thomas Daniel
  • Method for Producing Water-Absorbing Polymer Particles by Suspension Polymerization
    Publication number: 20200332038
    Abstract: A process for producing water-absorbing polymer particles by suspension polymerization and thermal surface postcrosslinking, wherein the base polymer obtained by suspension polymerization has a centrifuge retention capacity of at least 37 g/g and the thermal surface postcrosslinking is conducted at 100 to 190° C.
    Type: Application
    Filed: June 26, 2020
    Publication date: October 22, 2020
    Inventors: Stephan Bauer, Tina Mark, Lydia König, Yvonne Hagen, Thomas Daniel
  • Method for Producing Water-Absorbing Polymer Particles by Suspension Polymerization
    Publication number: 20160280825
    Abstract: A process for producing water-absorbing polymer particles by suspension polymerization and thermal surface postcrosslinking, wherein the base polymer obtained by suspension polymerization has a centrifuge retention capacity of at least 37 g/g and the thermal surface postcrosslinking is conducted at 100 to 190° C.
    Type: Application
    Filed: October 20, 2014
    Publication date: September 29, 2016
    Inventors: Stephan Bauer, Tina Mark, Lydia König, Yvonne Hagen, Thomas Daniel
  • Method for removal of residual monomers from water-absorbing polymer particles
    Patent number: 9434802
    Abstract: A process for removing residual monomers from water-absorbing polymer particles by thermally aftertreating the water-absorbing polymer particles in a mixer with rotating mixing tools at a temperature of at least 60° C. in the presence of water and of a surfactant.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: September 6, 2016
    Assignee: BASF SE
    Inventors: Stephan Bauer, Norbert Herfert, Lydia König, Yvonne Hagen, Xiana Romani Fernandez, Marcus Schöppler
  • Method for Removal of Residual Monomers from Water-Absorbing Polymer Particles
    Publication number: 20150322188
    Abstract: A process for removing residual monomers from water-absorbing polymer particles by thermally aftertreating the water-absorbing polymer particles in a mixer with rotating mixing tools at a temperature of at least 60° C. in the presence of water and of a surfactant.
    Type: Application
    Filed: January 20, 2014
    Publication date: November 12, 2015
    Applicant: BASF SE
    Inventors: Stephan Bauer, Norbert Herfert, Lydia König, Yvonne Hagen, Xiana Romani Fernandez, Marcus Schöppler