Patents Assigned to Evonik Corporation
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Patent number: 11964058Abstract: A process can be used for preparing nanoparticles containing at least one bio-resorbable polyester. The nanoparticles are in the form of a powder with a Z-Average particle size Dz in the range of 1 to 450 nm, and with a polydispersity index PDI in the range of 0.01 to 0.5. The process involves emulsion-solvent extraction or emulsion-solvent evaporation, and application of ultrasonic sound.Type: GrantFiled: September 25, 2020Date of Patent: April 23, 2024Assignee: Evonik CorporationInventors: David Fecher, Maria Camilla Operti, Rima Jaber, Andrea Engel, Silko Grimm, Min Yang
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Patent number: 11957801Abstract: Described herein are packages for orienting and cooling polyesters during a sterilization process, and containers for storing, transporting, and cooling the package. Also described herein are methods of sterilizing polyesters.Type: GrantFiled: October 23, 2018Date of Patent: April 16, 2024Assignee: Evonik CorporationInventors: Edward Parent, Boris Obermeier, Jie Lu
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Patent number: 11865374Abstract: The invention relates to functionalized polymers, a process for producing functionalized polymers and the use of functionalized polymers, especially in the field of personal care.Type: GrantFiled: November 2, 2018Date of Patent: January 9, 2024Assignees: Evonik Operations GmbH, Evonik CorporationInventors: Sadik Amajjahe, Matthias Mentel, Juergen Meyer, Andrew Wilson Wang, Arnoldo Fonseca
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Patent number: 11779013Abstract: Aqueous solutions of peroxyacids are stabilized by a polymeric stabilizer selected from a phosphino polycarboxylic acid, a poly(acrylic acid)-acrylamidoalkylpropane sulfonic acid co-polymer, or a poly(acrylic acid)-acrylamidoalkylpropane sulfonic acid-sulfonated styrene terpolymer. The polymer-stabilized peroxyacid solutions have applications in aseptic sterilization and disinfecting of surfaces.Type: GrantFiled: August 1, 2019Date of Patent: October 10, 2023Assignee: Evonik CorporationInventor: Gregory Melenkevitz
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Publication number: 20230241816Abstract: Prepared is a laminate including: a first layer formed of a first resin composition containing a first resin; and a second layer formed of a second resin composition containing a second resin, the first layer and the second layer being in contact with each other and integrated. The first resin includes an alicyclic polyamide resin having 20 mmol/kg or greater of amino groups, and the second resin includes an acid-modified (meth)acrylic resin. The second resin may have 100 mmol/kg or greater of carboxyl groups. The acid-modified (meth)acrylic resin may be an acid-modified polymethylmethacrylate resin. An average thickness of the first layer may be 0.15 times or more of an average thickness of the second layer. The average thickness of the first layer may be 200 ?m or greater. When a weight is dropped onto the second layer side, the laminate may have a DuPont impact strength of 500 N/inch or greater. The laminate has excellent transparency, lightness, light resistance, and impact resistance.Type: ApplicationFiled: June 9, 2021Publication date: August 3, 2023Applicant: Polyplastics-Evonik CorporationInventors: Mitsuteru MUTSUDA, Toshihiko FUJINAKA, Daisuke FUJIKI, Yoshiki NAKAIE
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Publication number: 20230137391Abstract: The organophilic clay comprises a smectite-type clay ion exchanged with quaternary ammonium ions, where at least 75 mol-% of said quaternary ammonium ions are bis-(2-hydroxypropyl)-dimethylammonium fatty acid esters and at least 90% of the fatty acid moieties of the bis-(2-hydroxypropyl)-dimethylammonium fatty acid esters have a structure RC(O) with group R being a linear alkyl or alkenyl group containing from 9 to 21 carbon atoms. The organophilic clay is useful for thickening oil based compositions, in particular drilling fluids for drilling oil or gas wells, comprising an oil phase.Type: ApplicationFiled: December 28, 2022Publication date: May 4, 2023Applicant: Evonik CorporationInventors: Sarah Smith, Gary DAVIS, Dennis PARRISH, Miyako HISAMOTO
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Patent number: 11634621Abstract: The organophilic clay comprises a smectite-type clay ion exchanged with quaternary ammonium ions, where at least 75 mol-% of said quaternary ammonium ions are bis-(2-hydroxypropyl)-dimethylammonium fatty acid esters and at least 90% of the fatty acid moieties of the bis-(2-hydroxypropyl)-dimethylammonium fatty acid esters have a structure RC(O) with group R being a linear alkyl or alkenyl group containing from 9 to 21 carbon atoms. The organophilic clay is useful for thickening oil based compositions, in particular drilling fluids for drilling oil or gas wells, comprising an oil phase.Type: GrantFiled: November 3, 2020Date of Patent: April 25, 2023Assignee: Evonik CorporationInventors: Sarah Smith, Gary Davis, Dennis Parrish, Miyako Hisamoto
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Publication number: 20230075785Abstract: An anti-corrosion agent can be prepared from a kit-of-parts. The kit-of-parts contains at least one silica sol based composition and at least one aminoalkyl functional siloxane compound. A method can be used for preparing the anti-corrosion agent. An anti-corrosion layer can be prepared with the anti-corrosion agent, and a method can be used for providing the layer.Type: ApplicationFiled: February 8, 2021Publication date: March 9, 2023Applicant: Evonik CorporationInventors: Sheba Bergman, Jacob Shevrin
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Publication number: 20220354803Abstract: A process can be used for preparing nanoparticles containing at least one bio-resorbable polyester. The nanoparticles are in the form of a powder with a Z-Average particle size D, in the range of 3 to 450 nm, and with a polydispersity index PDI in the range of 0.01 to 0.5. The process involves emulsion-solvent extraction or emulsion-solvent evaporation, and application of ultrasonic sound.Type: ApplicationFiled: September 25, 2020Publication date: November 10, 2022Applicant: EVONIK CORPORATIONInventors: David Fecher, Maria Camilla Operti, Rima Jaber, Andrea Engel, Silko Grimm, Min Yang
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Publication number: 20220134274Abstract: A device for separating a gas stream which has a compressor and three membrane separation units in series, connected to pass the retentate stream of each of the first two units to the subsequent membrane separation unit, comprises conduits for recycling the permeate streams of the second and the third membrane separation unit to upstream of the compressor and a control device controlling the fraction of the second permeate stream which is recycled. Adjusting which fraction of the second permeate is recycled can be used to maintain a target composition of the retentate obtained in the third membrane separation unit when the flow rate or the composition of the gas stream changes.Type: ApplicationFiled: January 22, 2020Publication date: May 5, 2022Applicants: EVONIK FIBRES GMBH, EVONIK CANADA INC., EVONIK CORPORATIONInventors: Steven Kristian PEDERSEN, Hendrik Derk HOVING, Markus PRISKE, Kah Peng LEE, Norbert KRUTZLER
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Patent number: 11279832Abstract: This invention is directed to a polymerizable, cold-curing (meth)acrylate system for floor coating.Type: GrantFiled: September 21, 2017Date of Patent: March 22, 2022Assignees: Roehm GmbH, Evonik CorporationInventors: William G. Heiber, Levi F. Scott, Oliver Schmidt, Alexander Klein
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Patent number: 11274043Abstract: A modified colloidal silica is produced by mixing an effective amount of an alkyl silicate to form a colloidal silica, followed by treating the colloidal silica with an effective amount of a polyethersilane to form a modified colloidal silica.Type: GrantFiled: June 10, 2019Date of Patent: March 15, 2022Assignees: Evonik Operations GmbH, Evonik CorporationInventors: Zhifeng Li, Helmut Mack
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Patent number: 11261293Abstract: The present invention is directed to an improved purification process using additive and activated carbon for purifying resorbable polymers suitable for industrial manufacturing. The metal catalyst concentration in the purified resorbable polymers of this invention is preferably less than 1 ppm. The method can be used to obtain high molecular weight polymers that are substantially metal free.Type: GrantFiled: August 31, 2018Date of Patent: March 1, 2022Assignee: Evonik CorporationInventors: Jie Lu, Boris Obermeier, Regina Arnold-Stanton, Adolphus G. Jones
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Publication number: 20210363008Abstract: In a process for preparing hydrogen peroxide by an anthraquinone process, comprising hydrogenating a working solution comprising an anthraquinone compound, oxidizing the hydrogenated working solution to form hydrogen peroxide and extracting the hydrogen peroxide with water, the extracted aqueous hydrogen peroxide solution is stabilized with one or more oxidizer stable polymeric stabilizers.Type: ApplicationFiled: August 1, 2019Publication date: November 25, 2021Applicant: Evonik CorporationInventor: Gregory Melenkevitz
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Publication number: 20210307332Abstract: Aqueous solutions of hydrogen peroxide are stabilized by at least one polymeric stabilizer selected from phosphino polycarboxylic acids, poly(acrylic acid)-acrylamidoalkylpropane sulfonic acid co-polymers and poly(acrylic acid)-acrylamidoalkylpropane sulfonic acid-sulfonated styrene terpolymers. The polymer-stabilized hydrogen peroxide solutions have applications in aseptic packaging, electronics manufacture, and pulp and paper bleaching.Type: ApplicationFiled: August 1, 2019Publication date: October 7, 2021Applicant: Evonik CorporationInventor: Gregory Melenkevitz
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Publication number: 20210219543Abstract: Aqueous solutions of peroxyacids are stabilized by a polymeric stabilizer selected from a phosphino polycarboxylic acid, a poly(acrylic acid)-acrylamidoalkylpropane sulfonic acid co-polymer, or a poly(acrylic acid)-acrylamidoalkylpropane sulfonic acid-sulfonated styrene terpolymer. The polymer-stabilized peroxyacid solutions have applications in aseptic sterilization and disinfecting of surfaces.Type: ApplicationFiled: August 1, 2019Publication date: July 22, 2021Applicant: Evonik CorporationInventor: Gregory Melenkevitz
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Publication number: 20210206635Abstract: Aqueous solutions of hydrogen peroxide and alkali metal chlorate are stabilized by a polymeric stabilizer selected from phosphino polycarboxylic acid, poly(acrylic acid), a poly(acrylic acid)-acrylamidoalkylpropane sulfonic acid co-polymer and a poly(acrylic acid)-acrylamidoalkylpropane sulfonic acid-sulfonated styrene terpolymer.Type: ApplicationFiled: August 1, 2019Publication date: July 8, 2021Applicant: Evonik CorporationInventor: Gregory Melenkevitz
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Publication number: 20210047554Abstract: The organophilic clay comprises a smectite-type clay ion exchanged with quaternary ammonium ions, where at least 75 mol-% of said quaternary ammonium ions are bis-(2-hydroxypropyl)-dimethylammonium fatty acid esters and at least 90% of the fatty acid moieties of the bis-(2-hydroxypropyl)-dimethylammonium fatty acid esters have a structure RC(O) with group R being a linear alkyl or alkenyl group containing from 9 to 21 carbon atoms. The organophilic clay is useful for thickening oil based compositions, in particular drilling fluids for drilling oil or gas wells, comprising an oil phase.Type: ApplicationFiled: November 3, 2020Publication date: February 18, 2021Applicant: Evonik CorporationInventors: Sarah SMITH, Gary DAVIS, Dennis PARRISH, Miyako HISAMOTO
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Patent number: 10865338Abstract: The organophilic clay comprises a smectite-type clay ion exchanged with quaternary ammonium ions, where at least 75 mol-% of said quaternary ammonium ions are bis-(2-hydroxypropyl)-dimethylammonium fatty acid esters and at least 90% of the fatty acid moieties of the bis-(2-hydroxypropyl)-dimethylammonium fatty acid esters have a structure RC(O) with group R being a linear alkyl or alkenyl group containing from 9 to 21 carbon atoms. The organophilic clay is useful for thickening oil based compositions, in particular drilling fluids for drilling oil or gas wells, comprising an oil phase.Type: GrantFiled: December 4, 2017Date of Patent: December 15, 2020Assignee: Evonik CorporationInventors: Sarah Smith, Gary Davis, Dennis Parrish, Miyako Hisamoto
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Publication number: 20200383896Abstract: The invention relates to functionalized polymers, a process for producing functionalized polymers and the use of functionalized polymers, especially in the field of personal care.Type: ApplicationFiled: November 2, 2018Publication date: December 10, 2020Applicants: Evonik Operations GmbH, Evonik CorporationInventors: Sadik Amajjahe, Matthias Mentel, Juergen Meyer, Andrew Wilson Wang, Arnoldo Fonseca