Patents by Inventor Laurent Wattebled
Laurent Wattebled 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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Patent number: 11001692Abstract: The present invention relates to a process for producing a water-absorbing polymer, comprising the process 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 polymerized, ethylenically unsaturated monomers copolymerizable with (?1), (?3) 0.001 to 10% by weight of one or more crosslinkers, where the sum of the weights (?1) to (?3) is 100% by weight, (ii) free-radical polymerization with crosslinking to form a water-insoluble, aqueous untreated hydrogel polymer, (iii) drying the hydrogel polymer, (iv) grinding and sieving the water-absorbing polymer to size, wherein the aqueous monomer solution, is admixed with 0.01 to 5% by weight of at least one surfactant and optionally 0.01 to 5% by weight of a blowing agent having a particle size of 10 ?m to 900 ?m, based on the water-absorbing polymer.Type: GrantFiled: April 29, 2014Date of Patent: May 11, 2021Assignee: Evonik Operations GmbHInventors: Laurent Wattebled, Anna Miasnikova, Markus Henn
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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: 20160108227Abstract: The present invention relates to a water-absorbing polymer comprising the process 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 polymerized, ethylenically unsaturated monomers copolymerizable with (?1), (?3) 0.001 to 10% by weight of one or more crosslinkers, (?4) water-soluble polymers, and (?5) one or more assistants, where the sum of the weights (?1) to (?5) is 100% by weight, (ii) free-radical polymerization with crosslinking to form a water-insoluble, aqueous untreated hydrogel polymer, (iii) drying the hydrogel polymer, (iv) grinding and sieving the water-absorbing polymer to size, (v) surface postcrosslinking the ground and sieved hydrogel polymer and (vi) drying and finishing the water-absorbing polymer, wherein 0.01 to 5% by weight of a blowing agent having a particle size of 10 ?m to 900 ?m are added, based on the hydrogel polymer.Type: ApplicationFiled: April 29, 2014Publication date: April 21, 2016Inventors: Laurent Wattebled, Markus Henn, Rainer Teni
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Publication number: 20160096944Abstract: The present invention relates to a process for producing a water-absorbing polymer, comprising the process 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 polymerized, ethylenically unsaturated monomers copolymerizable with (?1), (?3) 0.001 to 10% by weight of one or more crosslinkers, where the sum of the weights (?1) to (?3) is 100% by weight, (ii) free-radical polymerization with crosslinking to form a water-insoluble, aqueous untreated hydrogel polymer, (iii) drying the hydrogel polymer, (iv) grinding and sieving the water-absorbing polymer to size, wherein the aqueous monomer solution, is admixed with 0.01 to 5% by weight of at least one surfactant and optionally 0.01 to 5% by weight of a blowing agent having a particle size of 10 ?m to 900 ?m, based on the water-absorbing polymer.Type: ApplicationFiled: April 29, 2014Publication date: April 7, 2016Applicant: EVONIK DEGUSSA GMBHInventors: Laurent Wattebled, Anna Miasnikova, Markus Henn
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Publication number: 20160074550Abstract: Described is an odor adsorbent, in particular for use in absorptive hygiene articles, comprising: a) peroxomonosulfuric acid and/or salts thereof and also b) zeolite. Also described are water-absorbing polymeric particles wherein the particles are laden with a mixture comprising a) peroxomonosulfuric acid and/or salts thereof and also b) zeolite, and wherein the water-absorbing polymeric particles preferably comprise a crosslinked polymer based on partially neutralized acrylic acid, and more particularly are surface-postcrosslinked.Type: ApplicationFiled: September 9, 2015Publication date: March 17, 2016Inventors: Christoph Loick, Laurent Wattebled
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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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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: 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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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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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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Patent number: 8686216Abstract: The present invention relates to a water-absorbing particulate composition comprising water-absorbing polymer particulate structure comprising partly neutralized, crosslinked polyacrylate, a surface crosslinking agent and a compound of the structure I in which R1, R2, R3 and R4 can be identical or different and in each case represent a hydrogen atom, a halogen atom, a C1- to C4-hydrocarbon group or a hydroxyl group, R5 represents a hydrogen atom, a C1- to C4-hydrocarbon group or an acetyl group, n represents an integer chosen from the group consisting of 1, 2 or 3 and Mn+ represents an n-valent metal cation or an H+ cation. In addition, 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, and products, such as hygiene articles.Type: GrantFiled: February 27, 2009Date of Patent: April 1, 2014Assignee: Evonik Degussa GmbHInventors: Laurent Wattebled, Franck Furno
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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