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).
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Patent number: 11680184Abstract: 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: GrantFiled: July 24, 2015Date of Patent: June 20, 2023Assignee: Evonik Superabsorber GmbHInventors: Christoph Loick, Scott Smith, Anne Ix-Mund, Nicolaas De Bruin, Laurent Wattebled, Michael Azad, Frank Loeker
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Publication number: 20160083532Abstract: 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: ApplicationFiled: September 22, 2015Publication date: March 24, 2016Inventors: Dirk Wagner, Thomas Hoefges, Udo Klapperich, Manfred van Stiphoudt, Henry Rudolph, Frank Soppe, Jörg Harren, Franck Furno, Frank Loeker
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Publication number: 20160024332Abstract: 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: ApplicationFiled: July 24, 2015Publication date: January 28, 2016Inventors: Christoph Loick, Scott Smith, Anne Ix-Mund, Nicolaas De Bruin, Laurent Wattebled, Michael Azad, Frank Loeker
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Patent number: 8906824Abstract: 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: GrantFiled: December 18, 2007Date of Patent: December 9, 2014Assignee: Evonik Degussa GmbHInventors: Frank Loeker, Heinz Bremus, Rüdiger Gerlach, Scott J. Smith
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Patent number: 8906837Abstract: 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: GrantFiled: January 30, 2012Date of Patent: December 9, 2014Assignee: DEB IP LimitedInventors: Petra Allef, Thomas Mangen, Laurent Wattebled, Christian Schmidt, Frank Loeker
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Patent number: 8883881Abstract: 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: GrantFiled: July 11, 2013Date of Patent: November 11, 2014Assignee: Evonik CorporationInventors: Scott J. Smith, Stan McIntosh, Heinz Bremus, Frank Loeker
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Patent number: 8859758Abstract: 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: GrantFiled: September 12, 2013Date of Patent: October 14, 2014Assignee: Evonik Degussa GmbHInventors: Markus Frank, Frank Loeker, Dirk Magolei, Scott J. Smith
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Publication number: 20140018532Abstract: 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: ApplicationFiled: September 12, 2013Publication date: January 16, 2014Applicant: EVONIK DEGUSSA GMBHInventors: Markus Frank, Frank Loeker, Dirk Paepen, Scott J. Smith
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Publication number: 20130338052Abstract: 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: ApplicationFiled: January 30, 2012Publication date: December 19, 2013Applicant: Evonik Degussa GmbHInventors: Petra Allef, Thomas Mangen, Laurent Wattebled, Christian Schmidt, Frank Loeker
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Publication number: 20130310251Abstract: 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: ApplicationFiled: July 11, 2013Publication date: November 21, 2013Applicant: Evonik Stockhausen, LLCInventors: Scott J. Smith, Stan McIntosh, Heinz Bremus, Frank Loeker
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Patent number: 8580953Abstract: 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: GrantFiled: June 20, 2005Date of Patent: November 12, 2013Assignee: Evonik Degussa GmbHInventors: Markus Frank, Frank Loeker, Dirk Paepen, Scott Smith
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Patent number: 8518541Abstract: 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: GrantFiled: September 7, 2012Date of Patent: August 27, 2013Assignee: Evonik Stockhausen GmbHInventors: Frank Loeker, Heinz Bremus, Scott Smith
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Publication number: 20130001468Abstract: 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: ApplicationFiled: September 7, 2012Publication date: January 3, 2013Inventors: Frank LOEKER, Heinz BREMUS, Scott SMITH
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Patent number: 8288002Abstract: 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: GrantFiled: September 15, 2010Date of Patent: October 16, 2012Assignee: Evonik Stockhausen GmbHInventors: Frank Loeker, Heinz Bremus, Scott Smith
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Publication number: 20110015601Abstract: 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: ApplicationFiled: September 15, 2010Publication date: January 20, 2011Inventors: Frank Loeker, Helnz Bremus, Scott Smith
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Patent number: 7842386Abstract: 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: GrantFiled: July 22, 2004Date of Patent: November 30, 2010Assignee: Evonik Stockhausen GmbHInventors: Frank Loeker, Heinz Bremus, Scott Smith
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Publication number: 20100279860Abstract: 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: ApplicationFiled: July 6, 2010Publication date: November 4, 2010Inventors: Scott J. Smith, Stan Mclntosh, Heinz Bremus, Frank Loeker
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Patent number: 7777093Abstract: 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: GrantFiled: September 1, 2006Date of Patent: August 17, 2010Assignee: Evonik Stockhausen, LLCInventors: Scott J. Smith, Stan McIntosh, Heinz Bremus, Frank Loeker
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Publication number: 20100075844Abstract: 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: ApplicationFiled: December 18, 2007Publication date: March 25, 2010Inventors: Frank Loeker, Heinz Bremus, Rüdiger Gerlach, Scott J. Smith
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Publication number: 20080009616Abstract: 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: ApplicationFiled: June 20, 2005Publication date: January 10, 2008Inventors: Markus Frank, Frank Loeker, Dirk Paepen, Scott Smith