Patents by Inventor Ronny De Kaey

Ronny De Kaey 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).

  • Classification process for superabsorbent polymer particles
    Patent number: 11883848
    Abstract: The invention relates to a classification process for superabsorbent polymer particles, comprising classifying the water-absorbent polymer particles in a screen machine under reduced pressure wherein the pressure above the uppermost sieve is from 0 to 4.0 mbar per sieve higher than below the undermost sieve.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: January 30, 2024
    Assignee: BASF SE
    Inventors: Rüdiger Funk, Matthias Weismantel, Monte Alan Peterson, Patrick Neal Hamilton, Ronny De Kaey, Karl Possemiers
  • Process for producing superabsorbent polymer particles
    Patent number: 11680142
    Abstract: The invention relates to a process for producing superabsorbent polymer particles, comprising surface postcrosslinking, classifying the surface postcrosslinked superabsorbent polymer particles, deagglomerating the separated oversize fraction using a roll crusher and recycling the disintegrated oversize fraction before or into the classification of the surface postcrosslinked superabsorbent polymer particles.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: June 20, 2023
    Assignee: BASF SE
    Inventors: Ruediger Funk, Thomas Pfeiffer, Matthias Weismantel, Monte Alan Peterson, Karl Possemiers, Ronny De Kaey
  • Process for Producing Superabsorbents
    Publication number: 20210402373
    Abstract: The invention relates to a process for producing superabsorbent polymer particles, comprising polymerization of a monomer solution, wherein the monomer solution comprises partly neutralized acrylic acid formed by continuous mixing of acrylic acid and an aqueous solution of a base, the apparatus for preparing the partly neutralized acrylic acid comprises a vessel (B), and the vessel (B) has a cylindrical shape and a torispherical bottom.
    Type: Application
    Filed: November 4, 2019
    Publication date: December 30, 2021
    Inventors: Monte Alan Peterson, Ronny De Kaey, Karl Possemiers, Juergen Schroeder, Ruediger Funk, Matthias Weismantel
  • Process for Producing Superabsorbents
    Publication number: 20210402370
    Abstract: The invention relates to a process for producing superabsorbent polymer particles, comprising polymerization of a monomer solution, wherein the monomer solution comprises partly neutralized acrylic acid formed by continuous mixing of acrylic acid and an aqueous solution of a base, the apparatus for preparing the partly neutralized acrylic acid comprises a vessel (B), and the feed line to vessel (B) ends inside vessel (B) below the liquid Level of the partly neutralized acrylic acid.
    Type: Application
    Filed: November 4, 2019
    Publication date: December 30, 2021
    Inventors: Monte Alan Peterson, Ronny De Kaey, Karl Possemiers, Juergen Schroeder, Ruediger Funk, Matthias Weismantel
  • PROCESS FOR PRODUCING SUPERABSORBENT POLYMER PARTICLES
    Publication number: 20200216622
    Abstract: The invention relates to a process for producing superabsorbent polymer particles, comprising surface postcrosslinking, classifying the surface postcrosslinked superabsorbent polymer particles, deagglomerating the separated oversize fraction using a roll crusher and recycling the disintegrated oversize fraction before or into the classification of the surface postcrosslinked superabsorbent polymer particles.
    Type: Application
    Filed: July 6, 2018
    Publication date: July 9, 2020
    Inventors: Rüdiger FUNK, Thomas PFEIFFER, Matthias WEISMANTEL, Monte Alan PETERSON, Karl POSSEMIERS, Ronny DE KAEY
  • CLASSIFICATION PROCESS FOR SUPERABSORBENT POLYMER PARTICLES
    Publication number: 20200147652
    Abstract: The invention relates to a classification process for superabsorbent polymer particles, comprising classifying the water-absorbent polymer particles in a screen machine under reduced pressure wherein the pressure above the uppermost sieve is from 0 to 4.0 mbar per sieve higher than below the undermost sieve.
    Type: Application
    Filed: July 20, 2018
    Publication date: May 14, 2020
    Inventors: Rüdiger Funk, Matthias Weismantel, Monte Alan Peterson, Patrick Neal Hamilton, Ronny De Kaey, Karl Possemiers
  • Process for classifying water-absorbing polymer beads
    Patent number: 9550213
    Abstract: A process for classifying water-absorbing polymer particles, wherein screens having different mesh sizes are used before and after surface postcrosslinking to remove the undersize (fines).
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: January 24, 2017
    Assignee: BASF SE
    Inventors: Karl J. Possemiers, Thomas Pfeiffer, Matthias Weismantel, Rüdiger Funk, Monte Peterson, Sven Serneels, Jeffrey Johnson, Ronny De Kaey
  • PROCESS FOR CLASSIFYING WATER-ABSORBING POLYMER BEADS
    Publication number: 20160030979
    Abstract: A process for classifying water-absorbing polymer particles, wherein screens having different mesh sizes are used before and after surface postcrosslinking to remove the undersize (fines).
    Type: Application
    Filed: March 18, 2014
    Publication date: February 4, 2016
    Applicant: BASF SE
    Inventors: Karl J. Possemiers, Thomas Pfeiffer, Matthias Weismantel, Rüdiger Funk, Monte Peterson, Sven Serneels, Jeffrey Johnson, Ronny De Kaey
  • Process for producing water-absorbing polymer particles in a polymerization reactor with at least two axially parallel rotating shafts
    Patent number: 9248429
    Abstract: A process for producing water-absorbing polymer particles by polymerizing an aqueous monomer solution in a polymerization reactor with at least two axially parallel rotating shafts, wherein the polymerization is performed in the presence of an inert gas and under positive pressure.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: February 2, 2016
    Assignee: BASF SE
    Inventors: Monte Peterson, Karl J. Possemiers, Ronny De Kaey, Dominicus van Esbroeck, Rüdiger Funk
  • Neutralization process
    Patent number: 8802799
    Abstract: The invention relates to a neutralization process in which at least one ethylenically unsaturated carboxylic acid is preneutralized at least partly with a base, wherein the preneutralized solution is divided into at least two part-solutions and at least one part-solution is aftertreated so as to form part-solutions with different degree of neutralization and/or solids content, and also to an apparatus for carrying out the process.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: August 12, 2014
    Assignee: BASF SE
    Inventors: Michael de Marco, Matthias Weismantel, Karl J. Possemiers, Filip Mees, Ronny De Kaey
  • Method for producing water-absorbing polymer particles
    Patent number: 8789774
    Abstract: A process for producing water-absorbing polymer particles, wherein an aqueous polymer gel is applied by means of a swivel belt to the conveyor belt of a forced-air belt drier, and the swivel belt, proceeding from one end position, is accelerated through a first pivot angle to an angular speed v1, decelerated through a second pivot angle to an angular speed v2 and decelerated through a third pivot angle to the other end position.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: July 29, 2014
    Assignee: BASF SE
    Inventors: Uwe Stueven, Rüdiger Funk, Matthias Weismantel, Dominicus van Esbroeck, Ronny De Kaey
  • Process for producing water-absorbing polymer particles
    Patent number: 8765898
    Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising handling water-absorbing polymer particles in intermediate silos, storage silos and/or big bag filing stations that are connected with vent lines having a mitered joint.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: July 1, 2014
    Assignee: BASF SE
    Inventors: Monte Peterson, Ronny De Kaey, Leo Van Miert, Oskar Stephan, Rüdiger Funk, Matthias Weismantel, Dominicus van Esbroeck, Frans van Dyck
  • Process for Producing Water-Absorbing Polymer Particles in a Polymerization Reactor with At Least Two Axially Parallel Rotating Shafts
    Publication number: 20130338325
    Abstract: A process for producing water-absorbing polymer particles by polymerizing an aqueous monomer solution in a polymerization reactor with at least two axially parallel rotating shafts, wherein the polymerization is performed in the presence of an inert gas and under positive pressure.
    Type: Application
    Filed: June 12, 2013
    Publication date: December 19, 2013
    Inventors: Monte Peterson, Karl J. Possemiers, Ronny De Kaey, Dominicus van Esbroeck, Rüdiger Funk
  • Neutralization process
    Patent number: 8575389
    Abstract: The invention relates to a continuous neutralization process in which at least one ethylenically unsaturated carboxylic acid is neutralized at least partly with a base and the temperature of the neutralized solution is less than 70° C., and also to an apparatus for carrying out the process.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: November 5, 2013
    Assignee: BASF SE
    Inventors: Matthias Weismantel, Michael de Marco, Dominicus van Esbroeck, Karl J. Possemiers, Ronny De Kaey
  • Method for manufacturing water-absorbing polymer particles with a low centrifuge retention capacity
    Patent number: 8497336
    Abstract: A process for producing water-absorbing polymer particles with a low centrifuge retention capacity by polymerizing in a continuous kneading reactor under an inert gas volume flow of at most 10 m3/h per m3 of reactor volume.
    Type: Grant
    Filed: March 16, 2009
    Date of Patent: July 30, 2013
    Assignee: BASF SE
    Inventors: Matthias Weismantel, Rüdiger Funk, Ronny De Kaey, Karl J. Possemiers
  • Neutralization process
    Patent number: 8410235
    Abstract: The invention relates to a neutralization process in which at least one ethylenically unsaturated carboxylic acid is neutralized at least partly with a base and at least one stream of the neutralization is determined continuously, and also to an apparatus for carrying out the process.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: April 2, 2013
    Assignee: BASF SE
    Inventors: Matthias Weismantel, Louis Claessens, Karl J. Possemiers, Ronny De Kaey, Rüdiger Funk
  • Method for the continuous thermal secondary surface cross-linking of water-absorbing polymer particles
    Patent number: 8394895
    Abstract: A process for continuous thermal postcrosslinking of water-absorbing polymer particles, wherein the postcrosslinker is applied to the water-absorbing polymer particles by means of suitable nozzles and the nozzles are exchanged or cleaned via the interior of a glovebox adjoining the plant section comprising the nozzle.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: March 12, 2013
    Assignee: BASF SE
    Inventors: Oskar Stephan, Karl J. Possemiers, Ann Becker, Leo Van Miert, Ronny De Kaey
  • Neutralization Process
    Publication number: 20120059138
    Abstract: The invention relates to a neutralization process in which at least one ethylenically unsaturated carboxylic acid is preneutralized at least partly with a base, wherein the preneutralized solution is divided into at least two part-solutions and at least one part-solution is aftertreated so as to form part-solutions with different degree of neutralization and/or solids content, and also to an apparatus for carrying out the process.
    Type: Application
    Filed: July 1, 2011
    Publication date: March 8, 2012
    Applicant: BASF SE
    Inventors: Michael de Marco, Matthias Weismantel, Karl J. Possemiers, Filip Mees, Ronny De Kaey
  • Method for Producing Water-Absorbing Polymer Particles
    Publication number: 20120048973
    Abstract: A process for producing water-absorbing polymer particles, wherein an aqueous polymer gel is applied by means of a swivel belt to the conveyor belt of a forced-air belt drier, and the swivel belt, proceeding from one end position, is accelerated through a first pivot angle to an angular speed v1, decelerated through a second pivot angle to an angular speed v2 and decelerated through a third pivot angle to the other end position.
    Type: Application
    Filed: June 1, 2010
    Publication date: March 1, 2012
    Applicant: BASF SE
    Inventors: Uwe Stueven, Rüdiger Funk, Matthias Weismantel, Domien van Esbroeck, Ronny De Kaey
  • Polymerization Method
    Publication number: 20110194984
    Abstract: The invention relates to a process for continuously preparing water-absorbing polymer particles by mixing a monomer solution with a redox initiator consisting of at least one oxidizing agent and at least one reducing agent and polymerizing it, wherein the monomer solution is mixed with at least one oxidizing agent upstream of the polymerization reactor and the at least one reducing agent is metered into the polymerization reactor, and also to an apparatus for performing the process.
    Type: Application
    Filed: April 14, 2011
    Publication date: August 11, 2011
    Applicant: BASF SE
    Inventors: Matthias Weismantel, Michael de Marco, Andreas Daiss, Dominicus van Esbroeck, Karl J. Possemiers, Ronny De Kaey, Ieo Van Miert