Patents by Inventor Jorg Harren
Jorg Harren 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: 10391195Abstract: The present invention relates to a particulate absorbent polymer material having: i) a maximum APCi×10 sec value ?1.6) for at least one number i selected from the group of integers from 2 to 12 (=APCmax); or ii) a value ?12 for the sum total of all APCi×10 sec values for all numbers i from the group of integers from 2 to 12 (=APCsum); wherein the APCi×10 sec value is: APCi×10 sec=QIi×10 sec value2×PIi×10 sec value where the QIi×10 sec value is the swell index and i×10 seconds after adding the 0.9% by weight NaCl solution, and the PIi×10 sec value is the permeability index and i×10 seconds after adding the 0.9% by weight NaCl solution.Type: GrantFiled: November 12, 2012Date of Patent: August 27, 2019Assignee: Evonik Degussa GmbHInventors: Markus Henn, Laurent Wattebled, Peter Herbe, Jorg Harren, Christoph Loick
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Patent number: 10189008Abstract: The present invention relates to a water-absorbing composition comprising at least i) 89 to 99.89 wt % of at least one water-absorbing polymer; ii) 0.1 to 10 wt % of at least one oxidizing agent; iii) 0.01 to 1 wt % of at least one inhibitor to inhibit free-radical polymerizations; wherein the weight quantities are each based on the overall weight of the water-absorbing composition. The present invention also relates to a process for producing a water-absorbing composition, the water-absorbing composition obtainable by this process, a composite, a process for producing a composite, the composite obtainable by this process, chemical products such as foams, moldings, fibers, foils, films, cables, sealing materials, liquid-imbibing hygiene articles, carriers for plant and fungal growth regulators, packaging materials, soil additives or building products and also the use of a water-absorbing composition.Type: GrantFiled: October 24, 2013Date of Patent: January 29, 2019Assignee: Evonik Degussa GmbHInventors: Laurent Wattebled, Jessica Pillat, Lisa Maus, Scott Smith, Jorg Harren
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Patent number: 9737874Abstract: A process for producing a water-absorbing polymer composition, comprising the process steps of (i) mixing (?1) 0.1 to 99.999% by weight of ethylenically unsaturated monomers containing acid groups or salts thereof (?2) 0 to 70% by weight of polymerized, ethylenically unsaturated monomers copolymerizable with (?1), (?3) 0.001 to 10% by weight of one or more crosslinkers, (?4) 0 to 30% by weight of water-soluble polymers, and (?5) 0 to 20% by weight of one or more assistants, where the sum of their weights (?1) to (?5) is 100% by weight, (ii) free-radical polymerization with crosslinking to form a water-insoluble aqueous untreated hydrogel polymer, and surface postcrosslinking the ground hydrogel polymer wherein blowing agents having a particle size of 100 ?m to 900 ?m are added to the aqueous monomer solution prior to the addition of the initiator and the start of the free-radical polymerization.Type: GrantFiled: April 3, 2012Date of Patent: August 22, 2017Assignee: Evonik Degussa GmbHInventors: Laurent Wattebled, Christoph Loick, Jorg Harren, Stefan Leininger
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Patent number: 9555148Abstract: This invention relates to a method for producing a water-absorbing polymer, including the following steps: (i) mixing (?1) 0.1 to 99.999 wt % polymerizable, ethylenically unsaturated, acid-group-containing monomers; (?2) 0 to 70 wt % polymerized ethylenically unsaturated, monomers copolymerizable with (?1); (?3) 0.00 1 to 10 wt %, cross-linking agent(s); (?4) 0 to 30 wt % water-soluble polymers; and (?5) 0 to 20 wt % additive(s), wherein the total quantity by weight of (?1) to (?5) amounts to 100 wt %, (ii) radical polymerization while cross-linking, in order to form a hydrogel polymer, (iii) drying the hydrogel polymer, (iv) grinding and sifting the water-absorbing polymer, (v) surface post-cross-linking the hydrogel polymer, and (vi) drying and processing the polymer, wherein, before the admixture of the initiator and the start of radical polymerization, 0.01 to 5 wt % of a surfactant, relative to acrylic acid, 0.01 to 5 wt % foaming agent, are added.Type: GrantFiled: November 12, 2012Date of Patent: January 31, 2017Assignee: Evonik Degussa GmbHInventors: Laurent Wattebled, Jorg Harren, Matthias Naumann, Franck Furno, Matthias Lobert, Rainer Teni
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Publication number: 20160106881Abstract: The present invention relates to a process for the production of a water-absorbing polymer structure, comprising the process steps: i) providing an untreated water-absorbing polymer structure having a degree of neutralization of at most 70 mol %; ii) bringing the untreated water-absorbing polymer structure into contact with an acidic component. The invention also relates to the water-absorbing polymer structures obtainable by this process, water-absorbing polymer structures, a composite, a process for the production of a composite, the composite obtainable by this process, foams, shaped articles, fibers, foils, films, cables, sealing materials, liquid-absorbing hygiene articles, carriers for plant and fungal growth-regulating agents, packaging materials, soil additives or building materials, and the use of a water-absorbing polymer structure.Type: ApplicationFiled: December 21, 2015Publication date: April 21, 2016Inventors: Jörg Harren, Stephan Ramlow, Axel Busch, Franck Furno
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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: 20150258527Abstract: The present invention relates to a water-absorbing composition comprising at least i) 89 to 99.89 wt % of at least one water-absorbing polymer; ii) 0.1 to 10 wt % of at least one oxidizing agent; iii) 0.01 to 1 wt % of at least one inhibitor to inhibit free-radical polymerizations; wherein the weight quantities are each based on the overall weight of the water-absorbing composition. The present invention also relates to a process for producing a water-absorbing composition, the water-absorbing composition obtainable by this process, a composite, a process for producing a composite, the composite obtainable by this process, chemical products such as foams, moldings, fibers, foils, films, cables, sealing materials, liquid-imbibing hygiene articles, carriers for plant and fungal growth regulators, packaging materials, soil additives or building products and also the use of a water-absorbing composition.Type: ApplicationFiled: October 24, 2013Publication date: September 17, 2015Inventors: Laurent Wattebled, Jessica Pillat, Lisa Maus, Scott Smith, Jorg Harren
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Patent number: 9085648Abstract: The present invention relates to a continuous process for the production of a superabsorbent polymer comprising providing an acidic liquid aqueous monomer mixture containing dissolved oxygen; continuously feeding the aqueous monomer mixture to a reactor; introducing a source of carbonate or hydrogen carbonate into the aqueous monomer mixture prior to entry into the reactor thereby forming a gas phase comprising carbon dioxide and at least a part of the dissolved oxygen, the gas phase being dispersed in the liquid phase; subjecting the gas/liquid mixture to at least partial phase separation immediately prior to or after entry into the reactor and at least partially removing the separated gaseous phase; subjecting the liquid phase in the reactor to free-radical polymerization to obtain the superabsorbent polymer, and continuously removing the superabsorbent polymer from the reactor.Type: GrantFiled: December 20, 2013Date of Patent: July 21, 2015Assignee: Evonik Degussa GmbHInventors: Daniel Fricker, Herbert Gartner, Marc Hager, Jorg Harren, Hans-Peter Kohler, Harald Plochinger
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Patent number: 9006315Abstract: The present invention relates to improvements in prevention of discoloration of thermoplastic starch materials and their blends with other thermoplastic materials.Type: GrantFiled: June 2, 2014Date of Patent: April 14, 2015Assignee: The Procter & Gamble CoInventors: Norman Scott Broyles, Pier-Lorenzo Caruso, Emily Charlotte Boswell, Robert Earl Magness, Ludwig Busam, Jorg Harren, Laurent Wattebled
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Publication number: 20140312273Abstract: This invention relates to a method for producing a water-absorbing polymer, including the following steps: (i) mixing (?1) 0.1 to 99.999 wt % polymerizable, ethylenically unsaturated, acid-group-containing monomers; (?2) 0 to 70 wt % polymerized ethylenically unsaturated, monomers copolymerizable with (?1); (?3) 0.00 1 to 10 wt %, cross-linking agent(s); (?4) 0 to 30 wt % water-soluble polymers; and (?5) 0 to 20 wt % additive(s), wherein the total quantity by weight of (?1) to (?5) amounts to 100 wt %, (ii) radical polymerization while cross-linking, in order to form a hydrogel polymer, (iii) drying the hydrogel polymer, (iv) grinding and sifting the water-absorbing polymer, (v) surface post-cross-linking the hydrogel polymer, and (vi) drying and processing the polymer, wherein, before the admixture of the initiator and the start of radical polymerization, 0.01 to 5 wt % of a surfactant, relative to acrylic acid, 0.01 to 5 wt % foaming agent, are added.Type: ApplicationFiled: November 12, 2012Publication date: October 23, 2014Applicant: EVONIK DEGUSSA GMBHInventors: Laurent Wattebled, Jorg Harren, Matthias Naumann, Franck Furno, Matthias Lobert, Rainer Teni
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Patent number: 8859701Abstract: A process for producing a water-absorbing polymer comprises: (i) mixing (?1) 0.1-99.99% by weight of ethylenically unsaturated monomers containing acid groups or salts thereof, or ethylenically unsaturated monomers including a protonated or quaternized nitrogen, or mixtures thereof, (?2) 0-70% by weight of ethylenically unsaturated monomers copolymerizable with (?1), (?3) 0.001-10% by weight of one or more crosslinkers, (?4) 0-30% by weight of water-soluble polymers, and (?5) 0-20% by weight of one or more assistants, where the sum of the weights (?1) to (?5) is 100%; (ii) free-radical polymerization with crosslinking to form an untreated hydrogel polymer; (iii) coarse comminution of the untreated hydrogel polymer to give pieces having a diameter from 0.1 mm to 5.0 cm; (iv) cooling and grinding the untreated hydrogel polymer; (v) drying the untreated hydrogel polymer after grinding at a temperature from 85° C. to 260° C.; (vi) postcrosslinking the hydrogel polymer and (vii) drying the water-absorbing polymer.Type: GrantFiled: October 5, 2011Date of Patent: October 14, 2014Assignee: Evonik Degussa GmbHInventors: Christoph Loick, Dominik Gartz, Laurent Wattebled, Jorg Harren
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Publication number: 20140275356Abstract: The present invention relates to improvements in prevention of discoloration of thermoplastic starch materials and their blends with other thermoplastic materials.Type: ApplicationFiled: June 2, 2014Publication date: September 18, 2014Applicant: The Procter & Gamble CompanyInventors: Norman Scott BROYLES, Pier-Lorenzo CARUSO, Emily Charlotte BOSWELL, Robert Earl MAGNESS, Ludwig BUSAM, Jorg HARREN, Laurent WATTEBLED
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Publication number: 20140257223Abstract: The present invention relates to a particulate absorbent polymer material having: i) a maximum APCi×10 sec value ?1.6) for at least one number i selected from the group of integers from 2 to 12 (=APCmax); or ii) a value ?12 for the sum total of all APCi×10 sec values for all numbers i from the group of integers from 2 to 12 (=APCsum); wherein the APCi×10 sec value is: APCi×10 sec=QIi×10 secvalue2×PIi×10 secvalue where the QIi×10 sec value is the swell index and i×10 seconds after adding the 0.9% by weight NaCl solution, and the PIi×10 sec value is the permeability index and i×10 seconds after adding the 0.9% by weight NaCl solution.Type: ApplicationFiled: November 12, 2012Publication date: September 11, 2014Applicant: EVONIK DEGUSSA GMBHInventors: Markus Henn, Laurent Wattebled, Peter Herbe, Jorg Harren, Christoph Loick
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Patent number: 8772378Abstract: The present invention relates to improvements in prevention of discoloration of thermoplastic starch materials and their blends with other thermoplastic materials.Type: GrantFiled: November 22, 2011Date of Patent: July 8, 2014Assignee: The Procter & Gamble CompanyInventors: Norman Scott Broyles, Pier-Lorenzo Caruso, Emily Charlotte Boswell, Robert Earl Magness, Ludwig Busam, Jörg Harren, Laurent Wattebled
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Publication number: 20140121322Abstract: The present invention relates to a continuous process for the production of a superabsorbent polymer comprising providing an acidic liquid aqueous monomer mixture containing dissolved oxygen; continuously feeding the aqueous monomer mixture to a reactor; introducing a source of carbonate or hydrogen carbonate into the aqueous monomer mixture prior to entry into the reactor thereby forming a gas phase comprising carbon dioxide and at least a part of the dissolved oxygen, the gas phase being dispersed in the liquid phase; subjecting the gas/liquid mixture to at least partial phase separation immediately prior to or after entry into the reactor and at least partially removing the separated gaseous phase; subjecting the liquid phase in the reactor to free-radical polymerization to obtain the superabsorbent polymer, and continuously removing the superabsorbent polymer from the reactor.Type: ApplicationFiled: December 20, 2013Publication date: May 1, 2014Applicant: Evonik Degussa GmbHInventors: Daniel Fricker, Herbert Gartner, Marc Hager, Jorg Harren, Hans-Peter Kohler, Harald Plochinger
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Publication number: 20140054497Abstract: A process for producing a water-absorbing polymer composition, comprising the process steps of (i) mixing (?1) 0.1 to 99.999% by weight of ethylenically unsaturated monomers containing acid groups or salts thereof (?2) 0 to 70% by weight of polymerized, ethylenically unsaturated monomers copolymerizable with (?1), (?3) 0.001 to 10% by weight of one or more crosslinkers, (?4) 0 to 30% by weight of water-soluble polymers, and (?5) 0 to 20% by weight of one or more assistants, where the sum of their weights (?1) to (?5) is 100% by weight, (ii) free-radical polymerization with crosslinking to form a water-insoluble aqueous untreated hydrogel polymer, and surface postcrosslinking the ground hydrogel polymer wherein blowing agents having a particle size of 100 ?m to 900 ?m are added to the aqueous monomer solution prior to the addition of the initiator and the start of the free-radical polymerization.Type: ApplicationFiled: April 3, 2012Publication date: February 27, 2014Applicant: Evonik Degussa GmbHInventors: Laurent Wattebled, Christoph Loick, Jorg Harren, Stefan Leininger
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Patent number: 8658146Abstract: The present invention relates to a water-absorbing composition comprising water-absorbing polymer structures, on the surface of which is at least one tannin fraction which has a number-average molecular weight, determined in accordance with the test method described herein, of at least 1,000 g/mol, which has a weight-average molecular weight, determined in accordance with the test method described herein, of at least 1,000 g/mol, or which is a hydrolysable gallotannin. The present invention also relates to a process for the preparation of a water-absorbing composition, the water-absorbing composition obtainable by this process, a composite, a process for the production of a composite, the composite obtainable by this process, chemical products, such as, for example, hygiene articles, the use of a water-absorbing composition or of a composite and the use of a tannin fraction.Type: GrantFiled: September 24, 2008Date of Patent: February 25, 2014Assignee: Evonik Degussa GmbHInventors: Franck Furno, Laurent Wattebled, Anne Ix-Mund, Harald Schmidt, Markus Henn, Jorg Harren
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Patent number: 8653210Abstract: The present invention relates to a continuous process for the production of a superabsorbent polymer comprising providing an acidic liquid aqueous monomer mixture containing dissolved oxygen; continuously feeding the aqueous monomer mixture to a reactor; introducing a source of carbonate or hydrogen carbonate into the aqueous monomer mixture prior to entry into the reactor thereby forming a gas phase comprising carbon dioxide and at least a part of the dissolved oxygen, the gas phase being dispersed in the liquid phase; subjecting the gas/liquid mixture to at least partial phase separation immediately prior to or after entry into the reactor and at least partially removing the separated gaseous phase; subjecting the liquid phase in the reactor to free-radical polymerization to obtain the superabsorbent polymer, and continuously removing the superabsorbent polymer from the reactor.Type: GrantFiled: July 30, 2012Date of Patent: February 18, 2014Assignee: Evonik Degussa GmbHInventors: Daniel Fricker, Herbert Gartner, Marc Hager, Jorg Harren, Hans-Peter Kohler, Harald Plöchinger
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Publication number: 20140045683Abstract: A process for producing a water-absorbing polymer comprises: (i) mixing (?1) 0.1-99.99% by weight of ethylenically unsaturated monomers containing acid groups or salts thereof, or ethylenically unsaturated monomers including a protonated or quaternized nitrogen, or mixtures thereof, (?2) 0-70% by weight of ethylenically unsaturated monomers copolymerizable with (?1), (?3) 0.001-10% by weight of one or more crosslinkers, (?4) 0-30% by weight of water-soluble polymers, and (?5) 0-20% by weight of one or more assistants, where the sum of the weights (?1) to (?5) is 100%; (ii) free-radical polymerization with crosslinking to form an untreated hydrogel polymer; (iii) coarse comminution of the untreated hydrogel polymer to give pieces having a diameter from 0.1 mm to 5.0 cm; (iv) cooling and grinding the untreated hydrogel polymer; (v) drying the untreated hydrogel polymer after grinding at a temperature from 85° C. to 260° C.; (vi) postcrosslinking the hydrogel polymer and (vii) drying the water-absorbing polymer.Type: ApplicationFiled: October 5, 2011Publication date: February 13, 2014Applicant: Evonik Degussa GmbHInventors: Christoph Loick, Dominik Gartz, Laurent Wattebled, Jorg Harren
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Patent number: RE47104Abstract: The present invention relates to a water-absorbing composition comprising water-absorbing polymer structures, on the surface of which is at least one tannin fraction which has a number-average molecular weight, determined in accordance with the test method described herein, of at least 1,000 g/mol, which has a weight-average molecular weight, determined in accordance with the test method described herein, of at least 1,000 g/mol, or which is a hydrolysable gallotannin. The present invention also relates to a process for the preparation of a water-absorbing composition, the water-absorbing composition obtainable by this process, a composite, a process for the production of a composite, the composite obtainable by this process, chemical products, such as, for example, hygiene articles, the use of a water-absorbing composition or of a composite and the use of a tannin fraction.Type: GrantFiled: February 22, 2016Date of Patent: October 30, 2018Assignee: Evonik Degussa GmbHInventors: Franck Furno, Laurent Wattebled, Anne Ix-Mund, Harald Schmidt, Markus Henn, Jörg Harren