Patents by Inventor Joerg Neubauer
Joerg Neubauer 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: 12291582Abstract: A process for producing a crosslinked cellulose ether including the steps of (i) contacting at least one cellulose material with a mixture comprising (ia) at least one crosslinking agent and (ib) at least one alkalization reagent to form an activated cellulose material; and (ii) contacting the activated cellulose material of step (i) with at least one etherification reagent; wherein the at least one etherification reagent reacts with the activated cellulose material to form the crosslinked cellulose ether; and a crosslinked cellulose ether produced by the above process.Type: GrantFiled: April 17, 2020Date of Patent: May 6, 2025Assignee: DOW GLOBAL TECHNOLOGIES LLCInventors: Alexandra Hild, Jöerg Neubauer, Sonja Menz, Matthias Sprehe, Michael Schreck
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Publication number: 20240217876Abstract: Described herein are emulsion polymers, spray dried powders made with said emulsion polymers, and cementitious compositions made with said emulsion polymers or said spray dried powders. Emulsion polymers described herein comprise a shell portion comprising an alkali soluble resin (ASR), a core portion formed from polymerized units of at least one hydrophobic ethylenically unsaturated monomer, wherein no crosslinker is present when the shell portion and core portion are combined, and a nonionic water-soluble polymer.Type: ApplicationFiled: March 25, 2020Publication date: July 4, 2024Applicants: Dow Global Technologies LLC, Rohm & Haas Company, Dow Produktions Und Vertiebs GMBH & Co. OHG.Inventors: Margarita Perello, Ligeng Yin, Sonja Menz, Joerg Neubauer, Jing Meng
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Publication number: 20220127381Abstract: A process for producing a crosslinked cellulose ether including the steps of (i) contacting at least one cellulose material with a mixture comprising (ia) at least one crosslinking agent and (ib) at least one alkalization reagent to form an activated cellulose material; and (ii) contacting the activated cellulose material of step (i) with at least one etherification reagent; wherein the at least one etherification reagent reacts with the activated cellulose material to form the crosslinked cellulose ether; and a crosslinked cellulose ether produced by the above process.Type: ApplicationFiled: April 17, 2020Publication date: April 28, 2022Inventors: Alexandra Hild, Jöerg Neubauer, Sonja Menz, Matthias Sprehe, Michael Schreck
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Publication number: 20220112311Abstract: A process for producing a crosslinked cellulose ether including the steps of: (a) contacting at least one cellulose material with at least one alkalization reagent to form an activated cellulose material; (b) contacting the activated cellulose material of step (a) with at least one etherification reagent to form an uncrosslinked cellulose ether; (c) subjecting the cellulose ether of step (b) to a simultaneous or stepwise washing and/or granulating step; (d) adding at least one crosslinking agent to the uncrosslinked cellulose ether during the washing and/or granulating of step (c) to form a crosslinked cellulose ether; and (e) any other optional components desired; and a crosslinked cellulose ether produced by the above process.Type: ApplicationFiled: April 17, 2020Publication date: April 14, 2022Inventors: Alexandra Hild, Jöerg Neubauer, Sonja Menz
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Publication number: 20220106411Abstract: A process for producing a crosslinked cellulose ether including contacting an activated cellulose material with (i) an aqueous crosslinking agent emulsion, wherein the aqueous crosslinking agent emulsion is a mixture of (ia) at least one crosslinking agent; (ib) water; and (ic) any other optional components desired; and (ii) at least one etherification reagent; wherein the aqueous crosslinking agent emulsion (i) and the at least one etherification reagent (ii) react with the activated cellulose material to form the crosslinked cellulose ether; and a crosslinked cellulose ether produced by the above process.Type: ApplicationFiled: April 17, 2020Publication date: April 7, 2022Inventors: Alexandra Hild, Jöerg Neubauer, Steffen Schmidt, Robert Baumann
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Publication number: 20220081362Abstract: Described herein are emulsion polymers, spray dried powders made with said emulsion polymers, and cementitious compositions made with said emulsion polymers or said spray dried powders. Emulsion polymers described herein comprise a shell portion comprising an alkali soluble resin (ASR), a core portion formed from polymerized units of at least one hydrophobic ethylenically unsaturated monomer, wherein no crosslinker is present when the shell portion and core portion are combined, and a nonionic water-soluble polymer.Type: ApplicationFiled: March 25, 2020Publication date: March 17, 2022Applicants: Dow Global Technologies LLC, Rohm & Haas Company, Dow Produktions Und Vertriebs GMBH & Co. OHGInventors: Margarita Perello, Ligeng Yin, Sonja Menz, Joerg Neubauer, Jing Meng
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Patent number: 10457600Abstract: The present invention relates to a method for providing modified gypsum plaster or filling compositions having reduced agglomeration in comparison to gypsum plaster or filling compositions comprising cellulose ether in a specific amount from 0.1 to 1.0 weight percent, based on the total dry weight of said composition. Also provided are dry mortars comprising cellulose ether, gelatin and gypsum for use in such methods, and gypsum-free mixtures comprising cellulose ether and gelatin which may be added to gypsum binder for use a for use in such methods.Type: GrantFiled: December 4, 2012Date of Patent: October 29, 2019Assignee: Dow Global Technologies LLCInventors: Joerg Neubauer, Sonja Scharlemann
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Patent number: 10150704Abstract: The present invention provides cementitious tile adhesives comprising ordinary Portland cement, sand or another inorganic filler, and from 0.12 to 0.6 wt. % of total solids of one or more polyether group containing crosslinked cellulose ethers. The present invention also provides methods of making the polyether group containing crosslinked cellulose ethers comprising crosslinking a cellulose ether at 90° C. or less, in an inert atmosphere, e.g. nitrogen, in the presence of a polyether group containing crosslinking agent and in the presence of alkali; the process may comprise part of a stepwise addition process of making of a cellulose ether itself in which the crosslinking of the cellulose ethers precedes at least one addition of alkyl halide or alkylene oxide to form, respectively, alkyl or hydroxyalkyl groups on the cellulose.Type: GrantFiled: June 29, 2016Date of Patent: December 11, 2018Assignee: Dow Global Technologies LLCInventors: Alexandra Hild, Joerg Neubauer, Joern Breckwoldt
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Publication number: 20180319941Abstract: The present invention provides additives for dry mix or tape joint compound compositions comprising one or more cellulose ether powders containing on its surface one or more hydrophobic alkali swellable emulsion polymer (HASE), preferably, one that is not crosslinked or which comprises, in copolymerized form, no multi-ethylenically unsaturated monomer, and, optionally, an inorganic basic filler. The present invention also provides methods to make the additive comprising kneading at from 50 to 120° C. a wet cellulose ether mixture containing from 50 to 80 wt. % of water with from 0.5 to 25 wt. %, based on total cellulose ether solids, of the hydrophobic alkali swellable emulsion polymer; if desired, adding an inorganic basic filler, and drying and grinding. The additive can be combined with 0.1 to 20 wt. %, based on total cellulose ether solids, of a dry polyacrylamide.Type: ApplicationFiled: November 16, 2016Publication date: November 8, 2018Inventors: Joerg Neubauer, Anette Wagner, Sonja Menz
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Patent number: 9944559Abstract: A new water-based inorganic binder composition includes inorganic binder, cellulose ether and microcrystalline cellulose. A new additive for water-based inorganic binder compositions includes cellulose ether and microcrystalline cellulose. A method for improving the properties of water-based inorganic binder compositions includes blending a combination of cellulose ether and microcrystalline cellulose in the water-based binder composition.Type: GrantFiled: June 23, 2011Date of Patent: April 17, 2018Assignee: Dow Global Technologies LLCInventors: Sonja Scharlemann, Joerg Neubauer, Matthias Knarr
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Publication number: 20180099906Abstract: The present invention provides cementitious tile adhesives comprising ordinary Portland cement, sand or another inorganic filler, and from 0.12 to 0.6 wt. % of total solids of one or more polyether group containing crosslinked cellulose ethers. The present invention also provides methods of making the polyether group containing crosslinked cellulose ethers comprising crosslinking a cellulose ether at 90° C. or less, in an inert atmosphere, e.g. nitrogen, in the presence of a polyether group containing crosslinking agent and in the presence of alkali; the process may comprise part of a stepwise addition process of making of a cellulose ether itself in which the crosslinking of the cellulose ethers precedes at least one addition of alkyl halide or alkylene oxide to form, respectively, alkyl or hydroxyalkyl groups on the cellulose.Type: ApplicationFiled: June 29, 2016Publication date: April 12, 2018Applicant: Dow Global Technologies LLCInventors: Alexandra Hild, Joerg Neubauer, Joern Breckwoldt
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Patent number: 9505658Abstract: The present invention relates to methods for providing modified cement compositions having increased slip resistance and/or a decreased setting time in comparison to cement compositions comprising from 1 to 10 weight percent redispersible polymer powder (RDP) and water soluble cellulose ether in a specific amount from 0.1 to 1.0 weight percent, based on the total dry weight of said composition. Also provided are dry mortars comprising cement, RDP, water soluble cellulose ether and one or more additives selected from gelatin, bentonite and combinations thereof for use in such methods, and cement-free mixtures comprising water soluble cellulose ether and one or more additives selected from gelatin, bentonite and combinations thereof which may be added to cement binder for use a for use in such methods.Type: GrantFiled: December 4, 2012Date of Patent: November 29, 2016Assignee: Dow Global Technologies LLCInventors: Sonja Scharlemann, Joerg Neubauer
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Publication number: 20150122152Abstract: The present invention relates to a method for providing modified gypsum plaster or filling compositions having reduced agglomeration in comparison to gypsum plaster or filling compositions comprising cellulose ether in a specific amount from 0.1 to 1.0 weight percent, based on the total dry weight of said composition. Also provided are dry mortars comprising cellulose ether, gelatin and gypsum for use in such methods, and gypsum-free mixtures comprising cellulose ether and gelatin which may be added to gypsum binder for use a for use in such methods.Type: ApplicationFiled: December 4, 2012Publication date: May 7, 2015Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Joerg Neubauer, Sonja Scharlemann
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Publication number: 20140336306Abstract: The present invention relates to methods for providing modified cement compositions having increased slip resistance and/or a decreased setting time in comparison to cement compositions comprising from 1 to 10 weight percent redispersible polymer powder (RDP) and water soluble cellulose ether in a specific amount from 0.1 to 1.0 weight percent, based on the total dry weight of said composition. Also provided are dry mortars comprising cement, RDP, water soluble cellulose ether and one or more additives selected from gelatin, bentonite and combinations thereof for use in such methods, and cement-free mixtures comprising water soluble cellulose ether and one or more additives selected from gelatin, bentonite and combinations thereof which may be added to cement binder for use a for use in such methods.Type: ApplicationFiled: December 4, 2012Publication date: November 13, 2014Inventors: Sonja Scharlemann, Joerg Neubauer
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Patent number: 8465586Abstract: The present invention relates to polysaccharide derivatives having an adjusted particle morphology for use in the preparation of a hydraulic setting composition having an adjusted lump rating. The invention further relates to a method of adjusting the lump rating of a hydraulic setting composition comprising adjusting the particle morphology of a particulate polysaccharide derivative. Furthermore, the invention is directed to a hydraulic setting composition comprising a particulate polysaccharide derivative having an adjusted particle morphology. The invention is also directed to various uses of the particulate polysaccharide derivative having an adjusted particle morphology.Type: GrantFiled: July 19, 2011Date of Patent: June 18, 2013Assignee: Dow Global Technologies LLCInventors: Robert Baumann, Yvonne Goerlach-Doht, Marco Grosstueck, Juergen Hermanns, Joerg Neubauer
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Publication number: 20130092056Abstract: A new water-based inorganic binder composition includes inorganic binder, cellulose ether and microcrystalline cellulose. A new additive for water-based inorganic binder compositions includes cellulose ether and microcrystalline cellulose. A method for improving the properties of water-based inorganic binder compositions includes blending a combination of cellulose ether and microcrystalline cellulose in the water-based binder composition.Type: ApplicationFiled: June 23, 2011Publication date: April 18, 2013Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Sonja Scharlemann, Joerg Neubauer, Matthias Knarr
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Patent number: 6234084Abstract: A carriage body of a railroad car has an undercarriage, a floor slab, side wall parts, and a roof, the floor slab having a width which together with a thickness of the side wall parts which face one another defining a functional size of a width of the carriage body, the undercarriage having a width which is less than the functional size of the width of the carriage body, the side wall parts being connected in a force-transmitting fashion to the undercarriage.Type: GrantFiled: May 1, 1999Date of Patent: May 22, 2001Assignee: Siemens Duewag Schienenfahrzeuge GmbHInventors: Joerg Neubauer, Robert Schlett, Juergen Schnaas