Patents by Inventor Wolfgang Gaschler
Wolfgang Gaschler 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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Publication number: 20230357591Abstract: The present invention relates to a process of coating wood with at least two waterbased coating compositions the process comprising: a) applying a coating composition A comprising at least one anionic polymer A with a Hansch parameter ?1.6, and drying or allowing to dry said aqueous coating composition A, b) applying a coating composition B comprising at least one anionic polymer B with a Hansch parameter ?1.7 and pigment, and drying or allowing to dry said aqueous coating composition B, with the proviso that the difference of the Hansch Parameters of anionic polymer B and anionic polymer A is at least 0.5. The invention also relates to wood coated accordingly, and the use of a coating composition A, comprising an aqueous anionic polymer A with a Hansch parameter ?1.6, as an undercoat for coating wood.Type: ApplicationFiled: January 15, 2021Publication date: November 9, 2023Inventors: Wolfgang GASCHLER, Rodrigo CONIGLIO MOSKOVICS
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Publication number: 20230002634Abstract: The presently claimed invention relates to use of an aqueous polymer latex as a binder or co-binder in a waterborne coating composition, wherein the aqueous polymer latex is obtained by polymerizing a monomer composition M, comprising at least one tert-butyl acrylate and/or tertbutyl methacrylate monomer, by radical emulsion polymerization.Type: ApplicationFiled: December 14, 2020Publication date: January 5, 2023Inventors: Friederike FLEISCHHAKER, Bastiaan LOHMEIJER, Wolfgang GASCHLER, Joost LESWIN, Crispin AMIRI NAINI, Andrea MISSKE, Christoph FLECKENSTEIN, Tobias STEINBACH, Jochen GATTERMAYER, Sabine EICHHORN
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Patent number: 11242424Abstract: A process for preparing an aqueous polymer dispersion, the process including forming a copolymer A from at least one ?,?-monoethylenically unsaturated C3 to C6 monocarboxylic acid (monomers A1) and at least one other monoethylenically unsaturated compound (monomers A2); reacting the copolymer A with a metal compound M in an aqueous medium; and conducting free-radical polymerization of at least one ethylenically unsaturated compound (monomer P) in the presence of the copolymer A in an aqueous medium.Type: GrantFiled: March 13, 2019Date of Patent: February 8, 2022Inventors: Wolfgang Gaschler, Sebastian Enck
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Patent number: 11155663Abstract: Disclosed herein is a process for preparing an aqueous polymer latex by polymerising a monomer composition M by a radical emulsion polymerisation, where at least 95% of the monomer composition M is metered during a period P to the polymerisation reaction under polymerisation conditions, such that during at least one period P(n) within the period P, the relative amount of monomers M2, which are metered to the polymerisation reaction during the periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction during said period P(n), is at least 1% by weight higher than the relative amount of monomers M2, which are metered to the polymerisation reaction outside of each of said periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction outside of each of said periods P(n).Type: GrantFiled: May 3, 2017Date of Patent: October 26, 2021Assignee: BASF SEInventors: Tanja Rost, Roelof Balk, Immanuel Willerich, Sebastian Enck, Joost Leswin, Wolfgang Gaschler, Martin Robert Scheuble
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Patent number: 10927194Abstract: A process for producing aqueous polymer dispersions and the use thereof as binder for coatings having high solvent stability and a low tendency to soiling.Type: GrantFiled: July 6, 2017Date of Patent: February 23, 2021Assignee: BASF SEInventors: Wolfgang Gaschler, Sebastian Enck, Leendert Berkhout, Linda Guitman, Juergen Kaczun, David Hajnal
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Publication number: 20210009734Abstract: A process for preparing an aqueous polymer dispersion, the process including forming a copolymer A from at least one ?,?-monoethylenically unsaturated C3 to C6 monocarboxylic acid (monomers A1) and at least one other monoethylenically unsaturated compound (monomers A2); reacting the copolymer A with a metal compound M in an aqueous medium; and conducting free-radical polymerization of at least one ethylenically unsaturated compound (monomer P) in the presence of the copolymer A in an aqueous medium.Type: ApplicationFiled: March 13, 2019Publication date: January 14, 2021Applicant: BASF SEInventors: Wolfgang GASCHLER, Sebastian ENCK
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Publication number: 20190263941Abstract: A process for producing aqueous polymer dispersions and the use thereof as binder for coatings having high solvent stability and a low tendency to soiling.Type: ApplicationFiled: July 6, 2017Publication date: August 29, 2019Applicant: BASF SEInventors: Wolfgang GASCHLER, Sebastian ENCK, Leendert BERKHOUT, Linda GUITMAN, Juergen KACZUN, David HAJNAL
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Publication number: 20190144585Abstract: Disclosed herein is a process for preparing an aqueous polymer latex by polymerising a monomer composition M by a radical emulsion polymerisation, where at least 95% of the monomer composition M is metered during a period P to the polymerisation reaction under polymerisation conditions, such that during at least one period P(n) within the period P, the relative amount of monomers M2, which are metered to the polymerisation reaction during the periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction during said period P(n), is at least 1% by weight higher than the relative amount of monomers M2, which are metered to the polymerisation reaction outside of each of said periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction outside of each of said periods P(n).Type: ApplicationFiled: May 3, 2017Publication date: May 16, 2019Applicant: BASF SEInventors: Tanja ROST, Roelof BALK, Immanuel WILLERICH, Sebastian ENCK, Joost LESWIN, Wolfgang GASCHLER, Martin Robert SCHEUBLE
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Patent number: 10087333Abstract: The invention relates to a coating composition comprising: (a) 10% to 99.9% by weight of resin based on the total weight of the coating composition; and (b) 0.1% to 20% by weight of a formaldehyde scavenger based on the total weight of the coating composition, wherein the formaldehyde scavenger has at least one active methylene hydrogen and is solid at room temperature. The invention relates to use of a coating composition for removing free formaldehyde from the environment, wherein the formaldehyde scavenger has at least one active methylene hydrogen and is solid at room temperature.Type: GrantFiled: January 20, 2015Date of Patent: October 2, 2018Assignee: BASF SEInventors: Wolfgang Gaschler, Zhong Zeng, Akiko Tanabe, Zhaobin Zhang, Hexin Li, Cheng-Le Zhao
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Patent number: 9650745Abstract: The invention relates to oil-in-water emulsions based on fatty alcohols and mono- or diesters of glycerol and the use thereof as antifoams or deaerators for aqueous compositions. The oil phase of the emulsions according to the invention consists to at least 95% by weight of the following constituents: a) 40 to 95% by weight, based on the total weight of the oil phase, of a mixture of at least two alcohols as component A, consisting of: a1) at least one alkanol having 12 to 30 carbon atoms as component A1, a2) at least one mono- or diester of glycerol with at least one fatty acid having 14 to 24 carbon atoms as component A2; b) 0.1 to 10% by weight, based on the total weight of the oil phase, of at least one further component B, which is selected from esters of C12-C36-alkanecarboxylic acids with polyglycerol, amides of C12-C36-alkanecarboxylic acids with alkylenediamines or oligoalkyleneamines, and esters of C12-C36-alkanecarboxylic acids with C12-C36-alkanols, and mixtures thereof, c) 4.Type: GrantFiled: May 9, 2012Date of Patent: May 16, 2017Assignee: BASF SEInventors: Claudius Kormann, Wolfgang Gaschler, Christian Holtze
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Publication number: 20160340525Abstract: The invention relates to a coating composition comprising: (a) 10% to 99.9% by weight of resin based on the total weight of the coating composition; and (b) 0.1% to 20% by weight of a formaldehyde scavenger based on the total weight of the coating composition, wherein the formaldehyde scavenger has at least one active methylene hydrogen and is solid at room temperature. The invention relates to use of a coating composition for removing free formaldehyde from the environment, wherein the formaldehyde scavenger has at least one active methylene hydrogen and is solid at room temperature.Type: ApplicationFiled: January 20, 2015Publication date: November 24, 2016Applicant: BASF SEInventors: Wolfgang GASCHLER, Zhong ZENG, Akiko TANABE, Zhaobin ZHANG, Hexin LI, Cheng-Le ZHAO
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Patent number: 9303215Abstract: The use of a nondendrimeric hyperbranched polyester and/or a polyesteramide which comprise alkenyl-substituted succinic acid units as a demulsifier for splitting oil-water emulsions. The succinic acid is substituted by at least one alkenyl group containing from 16 to 20 carbon atoms. Particular emulsions suitable for splitting are crude oil emulsions. Also, a nondendrimeric hyperbranched polyester or a polyesteramide which comprises alkenyl-substituted succinic acid units, the alkenyl group having from 16 to 20 carbon atoms. In addition to the alkenyl-substituted succinic acid units, the nondendrimeric hyperbranched polyester contains, as further units, at least trifunctional alcohols having been alkoxylated with an average of from 3 to 12 ethylene oxide units.Type: GrantFiled: November 26, 2012Date of Patent: April 5, 2016Assignee: BASF SEInventors: Bernd Bruchmann, Andreas Eichhorn, Marcus Guzmann, Wolfgang Gaschler
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Patent number: 9296957Abstract: A nondendrimeric hyperbranched polyester and/or polyesteramide which comprise alkenyl-substituted succinic acid units as demulsifiers for splitting oil-water emulsions, especially crude oil emulsions. In particular, the succinic acid is substituted with alkenyl groups containing 16 to 20 carbon atoms. Also, nondendrimeric hyperbranched polyesters or polyesteramides which comprise alkenyl-substituted succinic acid units, wherein the alkenyl group has from 16 to 20 carbon atoms. In addition to the alkenyl-substituted succinic acid units, the nondendrimeric hyperbranched polyester contains, as further units, at least trifunctional alcohols having been alkoxylated with an average of from 3 to 12 ethylene oxide units.Type: GrantFiled: October 2, 2008Date of Patent: March 29, 2016Assignee: BASF SEInventors: Bernd Bruchmann, Andreas Eichhorn, Marcus Guzmann, Wolfgang Gaschler
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Patent number: 8992708Abstract: Described is the use of synthetic adhesives in the manufacture of corrugated fiberboard at relatively low temperatures and high lineal speeds. The corrugated fiberboard includes a corrugated sheet of paper and a flat linerboard and the corrugation of the corrugated sheet of paper is produced at paper temperatures below 95° C. and at a lineal speed above 150 m/min. The production of the corrugation of a corrugated sheet of paper is immediately followed by a continuous operation in which a preferably unheated corrugated board adhesive is applied and the corrugated sheet of paper is adhered to at least one first linerboard. The corrugated board adhesive used is an aqueous adhesive dispersion based on at least one synthetic, dispersed polymer having preferably more than 40% by weight solids content, selected from acrylate copolymers, copolymers of vinylaromatics and conjugated aliphatic dienes and vinyl acetate-alkylene copolymers, wherein the glass transition temperatures of the polymers are above 20° C.Type: GrantFiled: April 8, 2011Date of Patent: March 31, 2015Assignee: BASF SEInventors: Karl-Heinz Schumacher, Gledison Fonseca, Rabie Al-Hellani, Wolfgang Gaschler, Ellen Krüger, Andrea Herold, Hildegard Stein, Oliver Hartz, Hubertus Kröner
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Publication number: 20140107229Abstract: The invention relates to oil-in-water emulsions based on fatty alcohols and mono- or diesters of glycerol and the use thereof as antifoams or deaerators for aqueous compositions. The oil phase of the emulsions according to the invention consists to at least 95% by weight of the following constituents: a) 40 to 95% by weight, based on the total weight of the oil phase, of a mixture of at least two alcohols as component A, consisting of: a1) at least one alkanol having 12 to 30 carbon atoms as component A1, a2) at least one mono- or diester of glycerol with at least one fatty acid having 14 to 24 carbon atoms as component A2; b) 0.1 to 10% by weight, based on the total weight of the oil phase, of at least one further component B, which is selected from esters of C12-C36-alkanecarboxylic acids with polyglycerol, amides of C12-C36-alkanecarboxylic acids with alkylenediamines or oligoalkyleneamines, and esters of C12-C36-alkanecarboxylic acids with C12-C36-alkanols, and mixtures thereof, c) 4.Type: ApplicationFiled: May 9, 2012Publication date: April 17, 2014Applicant: BASF SEInventors: Claudius Kormann, Wolfgang Gaschler, Christian Holtze
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Publication number: 20130303635Abstract: The invention relates to oil-in-water emulsions based on fatty alcohols and the use thereof as antifoams or deaerators for aqueous compositions.Type: ApplicationFiled: January 9, 2012Publication date: November 14, 2013Applicant: BASF SEInventor: Wolfgang Gaschler
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Publication number: 20110247746Abstract: Described is the use of synthetic adhesives in the manufacture of corrugated fiberboard at relatively low temperatures and high lineal speeds. The corrugated fiberboard includes a corrugated sheet of paper and a flat linerboard and the corrugation of the corrugated sheet of paper is produced at paper temperatures below 95° C. and at a lineal speed above 150 m/min. The production of the corrugation of a corrugated sheet of paper is immediately followed by a continuous operation in which a preferably unheated corrugated board adhesive is applied and the corrugated sheet of paper is adhered to at least one first linerboard. The corrugated board adhesive used is an aqueous adhesive dispersion based on at least one synthetic, dispersed polymer having preferably more than 40% by weight solids content, selected from acrylate copolymers, copolymers of vinylaromatics and conjugated aliphatic dienes and vinyl acetate-alkylene copolymers, wherein the glass transition temperatures of the polymers are above 20° C.Type: ApplicationFiled: April 8, 2011Publication date: October 13, 2011Applicant: BASF SEInventors: Karl-Heinz SCHUMACHER, Gledison Fonseca, Rabie Al-Hellani, Wolfgang Gaschler, Ellen Krüger, Andrea Herold, Hildegard Stein, Oliver Hartz, Hubertus Kröner
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Patent number: 7999045Abstract: A process for preparing an aqueous polymer dispersion using flush water.Type: GrantFiled: June 19, 2007Date of Patent: August 16, 2011Assignee: BASF AktiengesellschaftInventors: Lambertus Manders, Ilshat Gubaydullin, Wolfgang Gaschler
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Publication number: 20100298492Abstract: A process for preparing an aqueous polymer dispersion using flush water.Type: ApplicationFiled: June 19, 2007Publication date: November 25, 2010Applicant: BASF SEInventors: Lambertus Manders, Ilshat Gubaydullin, Wolfgang Gaschler
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Patent number: 7837829Abstract: An aqueous dispersion of a polymer, obtainable by emulsion polymerization of compounds (monomers) having unsaturated radicals in the presence of at least two different polymerization regulators A) and B), wherein A) is a compound selected from ?-methylstyrene dimer and hydrocarbons which form a pentadienyl or 1-phenylallyl radical on abstraction of a hydrogen atom and B) is a compound having a mercapto group, the amount of B) being more than 2 parts by weight per 100 parts by weight of monomers.Type: GrantFiled: September 14, 2006Date of Patent: November 23, 2010Assignee: BASF AktiengesellschaftInventors: Wolfgang Gaschler, Marc Schroeder, Oliver Birkert, Christoph Hamers