Patents by Inventor Frank Loeker

Frank Loeker 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: 11680184
    Abstract: The present invention relates to an anti-stick processing aid for use in a process for producing water-absorbing polymers, comprising the steps of: i) mixing (?1) 0.1 to 99.999% by weight of polymerizable, ethylenically unsaturated monomers containing acid groups, or salts thereof, (?2) 0 to 70% by weight of monomers copolymerizable with (?1), (?3) 0.001 to 10% by weight of crosslinkers, (?4) 0 to 30% by weight of polymers, (?5) 0 to 80% by weight of water, and (?6) 0 to 20% by weight of assistants, (ii) free-radical polymerization with crosslinking to form a hydrogel polymer, (iii) drying the hydrogel polymer, (iv) grinding and sieving the hydrogel polymer, (v) surface postcrosslinking the hydrogel polymer and (vi) drying and finishing the water-absorbing polymer, wherein the anti-stick processing aid is used before and/or in steps (iii).
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: June 20, 2023
    Assignee: Evonik Superabsorber GmbH
    Inventors: Christoph Loick, Scott Smith, Anne Ix-Mund, Nicolaas De Bruin, Laurent Wattebled, Michael Azad, Frank Loeker
  • Publication number: 20160083532
    Abstract: A process is described for production of superabsorbents, comprising conveying steps for transporting the particulate material obtained, with use of a conveying machine from the group of the mechanical continuous conveyors with traction means in at least one of the conveying steps. Conveying machines used with preference are tubular drag conveyors and/or bucket conveyors.
    Type: Application
    Filed: September 22, 2015
    Publication date: March 24, 2016
    Inventors: Dirk Wagner, Thomas Hoefges, Udo Klapperich, Manfred van Stiphoudt, Henry Rudolph, Frank Soppe, Jörg Harren, Franck Furno, Frank Loeker
  • Publication number: 20160024332
    Abstract: The present invention relates to an anti-stick processing aid for use in a process for producing water-absorbing polymers, comprising the steps of: i) mixing (?1) 0.1 to 99.999% by weight of polymerizable, ethylenically unsaturated monomers containing acid groups, or salts thereof, (?2) 0 to 70% by weight of polymerizable, ethylenically unsaturated monomers copolymerizable with (?l), (?3) 0.
    Type: Application
    Filed: July 24, 2015
    Publication date: January 28, 2016
    Inventors: Christoph Loick, Scott Smith, Anne Ix-Mund, Nicolaas De Bruin, Laurent Wattebled, Michael Azad, Frank Loeker
  • Patent number: 8906824
    Abstract: The present invention relates to a process for the production of water-absorbing polymer structures, comprising the process steps of providing of an aqueous monomer solution comprising a polymerizable, monoethylenically unsaturated monomer (?1) carrying acid groups or a salt thereof; free-radical polymerization of the aqueous monomer solution to give a polymer gel, drying of the optionally comminuted polymer gel to give water-absorbing polymer structures, and surface post-crosslinking of the optionally ground and sieved water-absorbing polymer structures, wherein a thermoplastic polymer is added to the aqueous monomer solution before process step ii) or during process step ii), preferably before process step ii), or II) the polymer gel after process step ii) and before process step iv) or during process step iv), preferably before process step iv), or III) the water-absorbing polymer structure after process step iv).
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: December 9, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Frank Loeker, Heinz Bremus, Rüdiger Gerlach, Scott J. Smith
  • Patent number: 8906837
    Abstract: The invention relates to compositions containing at least 10 wt.-% of water in relation to the total composition, if required, one or more additional solvents, optionally one or more emollients, if necessary, one of more emulsifiers, one or more surfactants which are different from the emulsifiers. The compositions being characterized such that they contain 0.01-30 wt.-% of super absorbing particles in relation to the total composition, and to the use thereof as skin and hand cleaning means.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: December 9, 2014
    Assignee: DEB IP Limited
    Inventors: Petra Allef, Thomas Mangen, Laurent Wattebled, Christian Schmidt, Frank Loeker
  • Patent number: 8883881
    Abstract: The invention relates to absorptive, crosslinked polymers which are based on partly neutralized, monoethylenically unsaturated monomers carrying acid groups wherein the absorptive crosslinked polymer may be coated with a thermoplastic polymer, and have improved properties, in particular in respect of their capacity for transportation of liquids in the swollen state, and which has a high gel bed permeability and high centrifuge retention capacity.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: November 11, 2014
    Assignee: Evonik Corporation
    Inventors: Scott J. Smith, Stan McIntosh, Heinz Bremus, Frank Loeker
  • Patent number: 8859758
    Abstract: The present invention relates to a process for producing a water-absorbent polysaccharide including the process steps of bringing into contact an uncrosslinked polysaccharide with a polyphosphate or a polyphosphoric acid as crosslinking agent in the presence of water to form a polysaccharide gel and crosslinking the polysaccharide gel. The invention further relates to a water-absorbent polysaccharide obtainable by this process, a water-absorbent polysaccharide, a composite, a process for producing a composite, a composite produced by this process, the use of the water-absorbent polysaccharides or of the composites as well as the use of polyphosphates.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: October 14, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Markus Frank, Frank Loeker, Dirk Magolei, Scott J. Smith
  • Publication number: 20140018532
    Abstract: The present invention relates to a process for producing a water-absorbent polysaccharide including the process steps of bringing into contact an uncrosslinked polysaccharide with a polyphosphate or a polyphosphoric acid as crosslinking agent in the presence of water to form a polysaccharide gel and crosslinking the polysaccharide gel. The invention further relates to a water-absorbent polysaccharide obtainable by this process, a water-absorbent polysaccharide, a composite, a process for producing a composite, a composite produced by this process, the use of the water-absorbent polysaccharides or of the composites as well as the use of polyphosphates.
    Type: Application
    Filed: September 12, 2013
    Publication date: January 16, 2014
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Markus Frank, Frank Loeker, Dirk Paepen, Scott J. Smith
  • Publication number: 20130338052
    Abstract: The invention relates to compositions containing at least 10 wt.-% of water in relation to the total composition, if required, one or more additional solvents, optionally one or more emollients, if necessary, one of more emulsifiers, one or more surfactants which are different from the emulsifiers. The compositions being characterised such that they contain 0.01-30 wt.-% of super absorbing particles in relation to the total composition, and to the use thereof as skin and hand cleaning means.
    Type: Application
    Filed: January 30, 2012
    Publication date: December 19, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Petra Allef, Thomas Mangen, Laurent Wattebled, Christian Schmidt, Frank Loeker
  • Publication number: 20130310251
    Abstract: The invention relates to absorptive, crosslinked polymers which are based on partly neutralized, monoethylenically unsaturated monomers carrying acid groups wherein the absorptive crosslinked polymer may be coated with a thermoplastic polymer, and have improved properties, in particular in respect of their capacity for transportation of liquids in the swollen state, and which has a high gel bed permeability and high centrifuge retention capacity.
    Type: Application
    Filed: July 11, 2013
    Publication date: November 21, 2013
    Applicant: Evonik Stockhausen, LLC
    Inventors: Scott J. Smith, Stan McIntosh, Heinz Bremus, Frank Loeker
  • Patent number: 8580953
    Abstract: The present invention relates to a process for producing a water-absorbent polysaccharide including the process steps of bringing into contact an uncrosslinked polysaccharide with a polyphosphate or a polyphosphoric acid as crosslinking agent in the presence of water to form a polysaccharide gel and crosslinking the polysaccharide gel. The invention further relates to a water-absorbent polysaccharide obtainable by this process, a water-absorbent polysaccharide, a composite, a process for producing a composite, a composite produced by this process, the use of the water-absorbent polysaccharides or of the composites as well as the use of polyphosphates.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: November 12, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Markus Frank, Frank Loeker, Dirk Paepen, Scott Smith
  • Patent number: 8518541
    Abstract: A process for producing and a powdery water-absorbing polymers comprising: about 0.01 to 20 wt. % of a fine particle with a particle size of less than about 200 ?m; about 0.001 to 10 wt. % of a thermoplastic adhesive; and about 60 to 99.998 wt. % of a water-absorbing polymer particle with a particle size of about 200 ?m and above, wherein the powdery water-absorbing polymers have: a flow value (FFC) within the range from about 1 to 13, and/or a dust portion of at most about 6 are disclosed. Also disclosed are a transport process, a composite, chemical products, and a use of a thermoplastic adhesive.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: August 27, 2013
    Assignee: Evonik Stockhausen GmbH
    Inventors: Frank Loeker, Heinz Bremus, Scott Smith
  • Publication number: 20130001468
    Abstract: A process for producing and a powdery water-absorbing polymers comprising: about 0.01 to 20 wt. % of a fine particle with a particle size of less than about 200 ?m; about 0.001 to 10 wt. % of a thermoplastic adhesive; and about 60 to 99.998 wt. % of a water-absorbing polymer particle with a particle size of about 200 ?m and above, wherein the powdery water-absorbing polymers have: a flow value (FFC) within the range from about 1 to 13, and/or a dust portion of at most about 6 are disclosed. Also disclosed are a transport process, a composite, chemical products, and a use of a thermoplastic adhesive.
    Type: Application
    Filed: September 7, 2012
    Publication date: January 3, 2013
    Inventors: Frank LOEKER, Heinz BREMUS, Scott SMITH
  • Patent number: 8288002
    Abstract: A process for producing and a powdery water-absorbing polymers comprising: about 0.01 to 20 wt. % of a fine particle with a particle size of less than about 200 ?m; about 0.001 to 10 wt. % of a thermoplastic adhesive; and about 60 to 99.998 wt. % of a water-absorbing polymer particle with a particle size of about 200 ?m and above, wherein the powdery water-absorbing polymers have: a flow value (FFC) within the range from about 1 to 13, and/or a dust portion of at most about 6 are disclosed. Also disclosed are a transport process, a composite, chemical products, and a use of a thermoplastic adhesive.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: October 16, 2012
    Assignee: Evonik Stockhausen GmbH
    Inventors: Frank Loeker, Heinz Bremus, Scott Smith
  • Publication number: 20110015601
    Abstract: A process for producing and a powdery water-absorbing polymers comprising: about 0.01 to 20 wt. % of a fine particle with a particle size of less than about 200 ?m; about 0.001 to 10 wt. % of a thermoplastic adhesive; and about 60 to 99.998 wt. % of a water-absorbing polymer particle with a particle size of about 200 ?m and above, wherein the powdery water-absorbing polymers have: a flow value (FFC) within the range from about 1 to 13, and/or a dust portion of at most about 6 are disclosed. Also disclosed are a transport process, a composite, chemical products, and a use of a thermoplastic adhesive.
    Type: Application
    Filed: September 15, 2010
    Publication date: January 20, 2011
    Inventors: Frank Loeker, Helnz Bremus, Scott Smith
  • Patent number: 7842386
    Abstract: A process for producing and a powdery water-absorbing polymers comprising: about 0.01 to 20 wt. % of a fine particle with a particle size of less than about 200 ?m; about 0.001 to 10 wt. % of a thermoplastic adhesive; and about 60 to 99.998 wt. % of a water-absorbing polymer particle with a particle size of about 200 ?m and above, wherein the powdery water-absorbing polymers have: a flow value (FFC) within the range from about 1 to 13, and/or a dust portion of at most about 6 are disclosed. Also disclosed are a transport process, a composite, chemical products, and a use of a thermoplastic adhesive.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: November 30, 2010
    Assignee: Evonik Stockhausen GmbH
    Inventors: Frank Loeker, Heinz Bremus, Scott Smith
  • Publication number: 20100279860
    Abstract: The invention relates to absorptive, crosslinked polymers which are based on partly neutralized, monoethylenically unsaturated monomers carrying acid groups wherein the absorptive crosslinked polymer may be coated with a thermoplastic polymer, and have improved properties, in particular in respect of their capacity for transportation of liquids in the swollen state, and which has a high gel bed permeability and high centrifuge retention capacity.
    Type: Application
    Filed: July 6, 2010
    Publication date: November 4, 2010
    Inventors: Scott J. Smith, Stan Mclntosh, Heinz Bremus, Frank Loeker
  • Patent number: 7777093
    Abstract: The invention relates to absorptive, crosslinked polymers which are based on partly neutralized, monoethylenically unsaturated monomers carrying acid groups wherein the absorptive crosslinked polymer may be coated with a thermoplastic polymer, and have improved properties, in particular in respect of their capacity for transportation of liquids in the swollen state, and which has a high gel bed permeability and high centrifuge retention capacity.
    Type: Grant
    Filed: September 1, 2006
    Date of Patent: August 17, 2010
    Assignee: Evonik Stockhausen, LLC
    Inventors: Scott J. Smith, Stan McIntosh, Heinz Bremus, Frank Loeker
  • Publication number: 20100075844
    Abstract: The present invention relates to a process for the production of water-absorbing polymer structures, comprising the process steps of providing of an aqueous monomer solution comprising a polymerizable, monoethylenically unsaturated monomer (?1) carrying acid groups or a salt thereof; free-radical polymerization of the aqueous monomer solution to give a polymer gel, drying of the optionally comminuted polymer gel to give water-absorbing polymer structures, and surface post-crosslinking of the optionally ground and sieved water-absorbing polymer structures, wherein a thermoplastic polymer is added to the aqueous monomer solution before process step ii) or during process step ii), preferably before process step ii), or II) the polymer gel after process step ii) and before process step iv) or during process step iv), preferably before process step iv), or III) the water-absorbing polymer structure after process step iv).
    Type: Application
    Filed: December 18, 2007
    Publication date: March 25, 2010
    Inventors: Frank Loeker, Heinz Bremus, Rüdiger Gerlach, Scott J. Smith
  • Publication number: 20080009616
    Abstract: The present invention relates to a process for producing a water-absorbent polysaccharide including the process steps of bringing into contact an uncrosslinked polysaccharide with a polyphosphate or a polyphosphoric acid as crosslinking agent in the presence of water to form a polysaccharide gel and crosslinking the polysaccharide gel. The invention further relates to a water-absorbent polysaccharide obtainable by this process, a water-absorbent polysaccharide, a composite, a process for producing a composite, a composite produced by this process, the use of the water-absorbent polysaccharides or of the composites as well as the use of polyphosphates.
    Type: Application
    Filed: June 20, 2005
    Publication date: January 10, 2008
    Inventors: Markus Frank, Frank Loeker, Dirk Paepen, Scott Smith