Patents by Inventor Tina Mark

Tina Mark 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).

  • 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
  • Patent number: 11203005
    Abstract: A process for producing water-absorbing polymer particles by suspension polymerization and thermal surface postcrosslinking, wherein the agglomerated 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: November 24, 2015
    Date of Patent: December 21, 2021
    Assignee: BASF SE
    Inventors: Tina Mark, Thomas Daniel, Erich Lutz, Stefan Molter, Anna Kowalski
  • Patent number: 10857256
    Abstract: A process for agglomerating superabsorbent particles, wherein polymer particles having a particle size of 250 ?m or less are dispersed in a hydrophobic organic solvent, the dispersed polymer particles are mixed with an aqueous monomer solution, the amount of unneutralized monomer applied with the monomer solution being from 0.5% to 80% by weight, based on the dispersed polymer particles, and the monomer solution is polymerized.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: December 8, 2020
    Assignee: BASF SE
    Inventors: Tina Mark, Thomas Daniel, Erich Lutz
  • Publication number: 20200362123
    Abstract: A process for producing water-absorbing polymer particles by suspension polymerization and thermal surface postcrosslinking, wherein the agglomerated 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 140 to 220° C.
    Type: Application
    Filed: August 3, 2020
    Publication date: November 19, 2020
    Applicant: BASF SE
    Inventors: Tina Mark, Thomas Daniel, Erich Lutz, Stefan Molter, Anna Kowalski
  • Patent number: 10835634
    Abstract: A process for agglomerating superabsorbent particles, wherein polymer particles having a particle size of 250 ?m or less are dispersed in a hydrophobic organic solvent, the dispersed polymer particles are mixed with an aqueous monomer solution, the total amount of water applied to the dispersed polymer particles being at least 100% by weight, based on the dispersed polymer particles, and the monomer solution is polymerized.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: November 17, 2020
    Assignee: BASF SE
    Inventors: Tina Mark, Thomas Daniel, Erich Lutz, Stefan Molter
  • 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
  • Patent number: 10682435
    Abstract: A process for producing water-absorbing polymer particles by suspension polymerization, wherein the polymerization is conducted in the presence of dissolved oxygen.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: June 16, 2020
    Assignee: BASF SE
    Inventors: Tina Mark, Thomas Daniel, Stefan Molter, Erich Lutz
  • Publication number: 20180126030
    Abstract: A process for agglomerating superabsorbent particles, wherein polymer particles having a particle size of 250 ?m or less are dispersed in a hydrophobic organic solvent, the dispersed polymer particles are mixed with an aqueous monomer solution, the amount of unneutralized monomer applied with the monomer solution being from 0.5% to 80% by weight, based on the dispersed polymer particles, and the monomer solution is polymerized.
    Type: Application
    Filed: March 29, 2016
    Publication date: May 10, 2018
    Applicant: BASF SE
    Inventors: Tina Mark, Thomas Daniel, Erich Lutz
  • Publication number: 20180126032
    Abstract: A process for agglomerating superabsorbent particles, wherein polymer particles having a particle size of 250 ?m or less are dispersed in a hydrophobic organic solvent, the dispersed polymer particles are mixed with an aqueous monomer solution, the total amount of water applied to the dispersed polymer particles being at least 100% by weight, based on the dispersed polymer particles, and the monomer solution is polymerized.
    Type: Application
    Filed: March 24, 2016
    Publication date: May 10, 2018
    Applicant: BASF SE
    Inventors: Tina Mark, Thomas Daniel, Erich Lutz, Stefan Molter
  • Publication number: 20180043051
    Abstract: A process for producing water-absorbing polymer particles by suspension polymerization, wherein the polymerization is conducted in the presence of dissolved oxygen.
    Type: Application
    Filed: February 17, 2016
    Publication date: February 15, 2018
    Inventors: Tina Mark, Thomas Daniel, Stefan Molter, Erich Lutz
  • Publication number: 20180030218
    Abstract: A process for producing water-absorbing polymer particles by suspension polymerization and thermal surface postcrosslinking, wherein the agglomerated 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 140 to 220° C.
    Type: Application
    Filed: February 17, 2016
    Publication date: February 1, 2018
    Inventors: Tina Mark, Thomas Daniel, Erich Lutz, Stefan Molter, Anna Kowalski
  • Patent number: 9834486
    Abstract: The invention relates to a process for producing polymer composites suitable for absorbing and storing aqueous liquids, to the polymer composites obtainable by this process, and to the use of the polymer composites. The process comprises free-radical polymerization of a monomer composition M comprising 50 to 100% by weight, based on the total amount of monomers A and B, of at least one monomer A having one ethylenic double bond and at least one neutralizable acid group, 0 to 50% by weight of optionally one or more comonomers B which are different than the monomers A and have one ethylenic double bond, and 1 to 10% by weight, based on the total amount of monomers A and B, of at least one crosslinker C.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: December 5, 2017
    Assignee: BASF SE
    Inventors: Francisco Javier Lopez Villanueva, Tina Mark, Alexandra Wiedemann, Alexander Wissemeier, Michael Seufert, Jorge Sanz-Gomez, Alban Glaser
  • Publication number: 20170266640
    Abstract: A process for producing water-absorbing polymer particles by suspension polymerization and thermal surface postcrosslinking, wherein the agglomerated 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: November 24, 2015
    Publication date: September 21, 2017
    Applicant: BASF SE
    Inventors: Tina Mark, Thomas Daniel, Erich Lutz, Stefan Molter, Anna Kowalski
  • Publication number: 20160316759
    Abstract: A mixture or kit-of-parts comprising a superabsorbent polymer (hereinafter referred to as “SAP” or “SAPs”) and a biopesticide, their application in agriculture, or the method for conducting the combined application of SAP and biopesticide in agriculture.
    Type: Application
    Filed: December 19, 2014
    Publication date: November 3, 2016
    Inventors: Jeremy BOUGOURE, Richard FLAVEL, Alban GLASER, Harald KOEHLE, David MAINWARING, Tina MARK, Falko MATHES, Daniel MURPHY, Pandiyan MURUGARAJ, Jeremy David PEARCE, Geetha PERERA, Pilar PUENTE, Angel RODRIGUEZ-TELLO, Peter RYAN, Jorge SANZ-GOMEZ, Stephan SAUM, Markus SCHMID, Michael SEUFERT, Vi Khanh TRUONG, Michelle WATT, Alexander WISSEMEIER
  • 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
  • Publication number: 20160075612
    Abstract: The present invention relates to a process for producing polymer composites suitable for absorbing and storing aqueous liquids and to the polymer composites obtainable by this process. The invention further relates to the use of these polymer composites.
    Type: Application
    Filed: April 28, 2014
    Publication date: March 17, 2016
    Inventors: Francisco Javier LOPEZ VILLANUEVA, Tina MARK, Alexandra WIEDEMANN, Alexander WISSEMEIER, Michael SEUFERT, Jorge SANZ-GOMEZ, Alban GLASER
  • Publication number: 20140094561
    Abstract: The present invention relates to a process for producing a composite material composed of at least one inorganic or organometallic phase and one organic polymer phase with aromatic or heteroaromatic structural units, wherein homo- or copolymerization of the monomers of the formula I is performed in the presence of a base selected from organic nitrogen bases and inorganic or organic oxo bases and fluoride salts.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 3, 2014
    Applicant: BASF SE
    Inventors: Arno Lange, Theo Smit, Raineer Dyllick-Brenzinger, Oliver Gronwald, Gerhard Cox, Stefan Spange, Patrick Kempe, Tina Mark