Patents by Inventor Antje Ziemer

Antje Ziemer 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 production of absorbent polymer particles by polymerizing drops of a monomer solution
    Patent number: 10450395
    Abstract: A process for preparing water-absorbing polymer beads by polymerizing droplets comprising at least one monomer in a gas phase surrounding the droplets, the droplets being obtained by enveloping a first monomer solution with a second monomer solution and polymerizing the second monomer solution and polymerizing to give a more highly crosslinked polymer than the first monomer solution.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: October 22, 2019
    Assignee: BASF SE
    Inventors: Dennis Lösch, Matthias Weismantel, Marco Krüger, Antje Ziemer
  • Feminine hygiene absorbent article comprising a superabsorbent foam of high swell rate
    Patent number: 9265855
    Abstract: This invention relates to a feminine hygiene absorbent article comprising superabsorbent foams obtainable by foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one blowing agent, at least one crosslinker and at least one surfactant, polymerizing the foamed mixture and drying the polymerized mixture, to the foams and also to their use for absorbing aqueous fluids.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: February 23, 2016
    Assignee: The Procter & Gamble Company
    Inventors: Brian Francis Gray, Achille Di Cintio, Giovanni Carlucci, Antje Ziemer, Anna Kowalski, Ernst Juergen Bauer, Stefan Bruhns
  • FEMININE HYGIENE ABSORBENT ARTICLES COMPRISING WATER-ABSORBING COMPOSITES
    Publication number: 20160000961
    Abstract: This invention relates to a feminine hygiene absorbent article comprising water-absorbing composites obtainable by foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one crosslinker, at least one initiator and at least one surfactant, contacting the foam obtained with at least one web of synthetic fibers and polymerizing, to the composites themselves and to their use for absorbing aqueous fluids.
    Type: Application
    Filed: September 11, 2015
    Publication date: January 7, 2016
    Inventors: Achille Di Cintio, Antje Ziemer, Horst Jurgen Kaluza, Ernst Juergen Bauer, Stefan Bruhns, Thomas Daniel, John Christian Schmitt, Kerstin Meyer-Lipp, Guenter Reinhard Schmidt
  • Water-absorbing composites
    Patent number: 9198996
    Abstract: This invention relates to a process for producing water-absorbing composites comprising the steps of foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one crosslinker, at least one initiator and at least one surfactant, contacting the foam obtained with at least one web of synthetic fibers and polymerizing, to the composites themselves and to their use for absorbing aqueous fluids.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: December 1, 2015
    Assignee: BASF SE
    Inventors: Antje Ziemer, Horst Kaluza, Ernst Jürgen Bauer, Stefan Bruhns, Thomas Daniel, John Christian Schmitt, Kerstin Meyer-Lipp, Guenter Reinhard Schmidt
  • Feminine hygiene absorbent articles comprising water-absorbing composites
    Patent number: 9149556
    Abstract: This invention relates to a feminine hygiene absorbent article comprising water-absorbing composites obtainable by foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one crosslinker, at least one initiator and at least one surfactant, contacting the foam obtained with at least one web of synthetic fibers and polymerizing, to the composites themselves and to their use for absorbing aqueous fluids.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: October 6, 2015
    Assignee: The Procter & Gamble Company
    Inventors: Achille Di Cintio, Antje Ziemer, Horst Jürgen Kaluza, Ernst Juergen Bauer, Stefan Bruhns, Thomas Daniel, John Christian Schmitt, Kerstin Meyer-Lipp, Guenter Reinhard Schmidt
  • WATER-ABSORBING COMPOSITES
    Publication number: 20140158626
    Abstract: This invention relates to a process for producing water-absorbing composites comprising the steps of foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one crosslinker, at least one initiator and at least one surfactant, contacting the foam obtained with at least one web of synthetic fibers and polymerizing, to the composites themselves and to their use for absorbing aqueous fluids.
    Type: Application
    Filed: May 15, 2012
    Publication date: June 12, 2014
    Applicant: VASF SE
    Inventors: Antje Ziemer, Horst Kaluza, Ernst Jürgen Bauer, Stefan Bruhns, Thomas Daniel, John Christian Schmitt, Kerstin Meyer-Lipp, Guenter Reinhard Schmidt
  • METHOD FOR THE PRODUCTION OF ABSORBENT POLYMER PARTICLES BY POLYMERIZING DROPS OF A MONOMER SOLUTION
    Publication number: 20130316177
    Abstract: A process for preparing water-absorbing polymer beads by polymerizing droplets comprising at least one monomer in a gas phase surrounding the droplets, the droplets being obtained by enveloping a first monomer solution with a second monomer solution and polymerizing the second monomer solution and polymerizing to give a more highly crosslinked polymer than the first monomer solution.
    Type: Application
    Filed: August 1, 2013
    Publication date: November 28, 2013
    Applicant: BASF SE
    Inventors: Dennis Lösch, Matthias Weismantel, Marco Krüger, Antje Ziemer
  • Method for the production of water absorbent polymer particles by polymerizing drops of a monomer solution
    Patent number: 8529805
    Abstract: The invention relates to a method for the production of water absorbent polymer particles by polymerizing drops, comprising at least one monomer in a gas phase surrounding the drops, wherein the drops are produced by surrounding a first monomer solution with a second monomer solution and polymerizing the second monomer solution to a higher cross-linked polymer than the first monomer solution.
    Type: Grant
    Filed: October 2, 2007
    Date of Patent: September 10, 2013
    Assignee: BASF SE
    Inventors: Dennis Loesch, Matthias Weismantel, Marco Krüger, Antje Ziemer
  • FEMININE HYGIENE ABSORBENT ARTICLES COMPRISING WATER-ABSORBING COMPOSITES
    Publication number: 20120296296
    Abstract: This invention relates to a feminine hygiene absorbent article comprising water-absorbing composites obtainable by foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one crosslinker, at least one initiator and at least one surfactant, contacting the foam obtained with at least one web of synthetic fibers and polymerizing, to the composites themselves and to their use for absorbing aqueous fluids.
    Type: Application
    Filed: May 11, 2012
    Publication date: November 22, 2012
    Inventors: Achille DI CINTIO, Antje Ziemer, Horst Jürgen Kaluza, Ernst Juergen Bauer, Stefan Bruhns, Thomas Daniel, John Christian Schmitt, Kerstin Meyer-Lipp, Guenter Reinhard Schmidt
  • Production of a Superabsorbent Foam of High Swell Rate
    Publication number: 20120295090
    Abstract: This invention relates to a process for producing superabsorbent foams comprising the steps of foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one blowing agent, at least one crosslinker and at least one surfactant, polymerizing the foamed mixture and drying the polymerized mixture, to the foams and also to their use for absorbing aqueous fluids.
    Type: Application
    Filed: May 14, 2012
    Publication date: November 22, 2012
    Applicant: BASF SE
    Inventors: Antje Ziemer, Anna Kowalski, Ernst Jürgen Bauer, Stefan Bruhns
  • FEMININE HYGIENE ABSORBENT ARTICLE COMPRISING A SUPERABSORBENT FOAM OF HIGH SWELL RATE
    Publication number: 20120296295
    Abstract: This invention relates to a feminine hygiene absorbent article comprising superabsorbent foams obtainable by foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one blowing agent, at least one crosslinker and at least one surfactant, polymerizing the foamed mixture and drying the polymerized mixture, to the foams and also to their use for absorbing aqueous fluids.
    Type: Application
    Filed: May 11, 2012
    Publication date: November 22, 2012
    Inventors: Brian Francis GRAY, Achille DI CINTIO, Giovanni CARLUCCI, Antje ZIEMER, Anna KOWALSKI, Ernst Juergen BAUER, Stefan BRUHNS
  • Fire extinguishing and/or fire retarding compositions
    Patent number: 8273813
    Abstract: The invention concerns fire-extinguishing and/or fire-retarding compositions comprising at least one water-absorbing polymer and at least one alkali metal salt of a nonpolymeric saturated carboxylic acid, processes for their production and the use of the compositions for firefighting or as fire-retarding coatings.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: September 25, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Beck, Samantha Champ, Markus Tönnessen, Antje Ziemer, Gerd Goebel, Matthias Pfeiffer
  • Process for preparing low-viscosity polymer gels
    Patent number: 8104542
    Abstract: The invention relates to a process for preparing low-viscosity polymer gels by mixing a water-absorbing polymer with water, in which the viscosity is reduced by adding a chelating agent, and also to the use thereof for firefighting.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: January 31, 2012
    Assignee: BASF SE
    Inventors: Antje Ziemer, Anna Kowalski, Samantha Champ
  • Polymeric particles capable of absorbing blood and/or body fluids
    Patent number: 8071222
    Abstract: Polymeric particles capable of absorbing blood and/or body fluids, the polymeric particles being coated with at least one surfactant and with at least one solvent, are produced and used for absorbing blood and/or body fluids, especially in hygiene articles.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: December 6, 2011
    Assignee: BASF SE
    Inventors: Antje Ziemer, Bernhard Steinmetz, Michael de Marco, Monika Medelnick
  • Process for Preparing Low-Viscosity Polymer Gels
    Publication number: 20110237724
    Abstract: The invention relates to a process for preparing low-viscosity polymer gels by mixing a water-absorbing polymer with water, in which the viscosity is reduced by adding a chelating agent, and also to the use thereof for firefighting.
    Type: Application
    Filed: June 9, 2011
    Publication date: September 29, 2011
    Applicant: BASF SE
    Inventors: Antje Ziemer, Anna Kowalski, Samantha Champ
  • Polymeric particles capable of absorbing blood and/or body fluids
    Patent number: 7867623
    Abstract: Polymeric particles capable of absorbing blood and/or body fluids, the polymeric particles being coated with at least one surfactant and with at least one solvent, are produced and used for absorbing blood and/or body fluids, especially in hygiene articles.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: January 11, 2011
    Inventors: Antje Ziemer, Bernhard Steinmetz, Michael Demarco, Monika Medelnick
  • Polymeric Particles Capable of Absorbing Blood and/or Body Fluids
    Publication number: 20110003685
    Abstract: Polymeric particles capable of absorbing blood and/or body fluids, the polymeric particles being coated with at least one surfactant and with at least one solvent, are produced and used for absorbing blood and/or body fluids, especially in hygiene articles.
    Type: Application
    Filed: September 15, 2010
    Publication date: January 6, 2011
    Applicant: BASF SE
    Inventors: Antje Ziemer, Bernhard Steinmetz, Michael de Marco, Monika Medelnick
  • Superabsorbent Foam with Graphics on the Surface
    Publication number: 20100268181
    Abstract: A superabsorbent foam which comprises at least 1% by weight, based on the total weight of the dry foam, of inorganic pulverulent solid and bears graphics on at least one of its surfaces is obtainable by a process in which a foamed monomer mixture which comprises an appropriate amount of inorganic solid is polymerized in a mold which bears graphics on at least one inner surface.
    Type: Application
    Filed: November 10, 2008
    Publication date: October 21, 2010
    Inventors: Antje Ziemer, Ernst Jürgen Bauer
  • Method for the Production of Water Absorbent Polymer Particles by Polymerizing Drops of a Monomer Solution
    Publication number: 20090192036
    Abstract: The invention relates to a method for the production of water absorbent polymer particles by polymerizing drops, comprising at least one monomer in a gas phase surrounding the drops, wherein the drops are produced by surrounding a first monomer solution with a second monomer solution and polymerizing the second monomer solution to a higher cross-linked polymer than the first monomer solution.
    Type: Application
    Filed: October 2, 2007
    Publication date: July 30, 2009
    Inventors: Dennis Lösch, Matthias Weismantel, Marco Krüger, Antje Ziemer
  • Process for Preparing Low-Viscosity Polymer Gels
    Publication number: 20080210442
    Abstract: The invention relates to a process for preparing low-viscosity polymer gels by mixing a water-absorbing polymer with water, in which the viscosity is reduced by adding a chelating agent, and also to the use thereof for firefighting.
    Type: Application
    Filed: August 9, 2006
    Publication date: September 4, 2008
    Inventors: Antje Ziemer, Anna Kowalski, Samantha Champ