Patents by Inventor Frank Klippel
Frank Klippel 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: 20210307317Abstract: Described herein is a polymeric stabilizing agent selected from poly-lysine derivatives obtained by process including heating an aqueous lysine solution to boiling, increasing a temperature of the aqueous lysine solution to a reaction temperature in the range of about 105° C. to about 180° C., and keeping the reaction temperature in the range of about 105° C. to about 180° C. until a melt viscosity of the reaction mixture is in the range of about 350 mPa*s to about 6,500 mPa*s, and (ii) an amine number in the range of about 100 mg KOH/g to about 500 mg KOH/g is achieved. The process also includes adding alkyl-carboxylic acid or alkenyl-carboxylic acid in amounts of 2.5 mol % to 10 mol %, and increasing or keeping the reaction temperature in the range of about 105° C. to about 180° C. until number of free alkyl-carboxylic acid or alkenyl-carboxylic acid is ?9% by weight.Type: ApplicationFiled: May 11, 2018Publication date: October 7, 2021Inventors: Markus Kalt, Janine Rude, Helmut Witteler, Markus Meise, Frank Klippel, Tina Schroeder-Grimonpont, Hans-Peter Seelmann-Eggebert
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Publication number: 20210289773Abstract: Described herein is a poly-lysine derivative obtained by a process including heating an aqueous lysine solution to boiling, increasing a temperature of the aqueous lysine solution to a reaction temperature in the range of about 105° C. to about 180° C., and keeping the reaction temperature in the range of about 105° C. to about 180° C. until (i) a melt viscosity of the reaction mixture is in the range of about 350 mPa*s to about 6,500 mPa*s, and (ii) an amine number in the range of about 100 mg KOH/g to about 500 mg KOH/g is achieved. The process also includes adding alkyl-carboxylic acid or alkenyl-carboxylic acid in amounts of 2.5 mol % to 10 mol %, and increasing or keeping the reaction temperature in the range of about 105° C. to about 180° C. until number of free alkyl-carboxylic acid or alkenyl-carboxylic acid is ?9% by weight.Type: ApplicationFiled: April 17, 2018Publication date: September 23, 2021Inventors: Markus Kalt, Helmut Witteler, Tina Schroeder-Grimonpot, Markus Meise, Hans-Peter Seelmann-Eggebert, Frank Klippel
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Patent number: 8568522Abstract: Process for passivating metallic surfaces, and a preparation suitable for implementing the process, comprising at least water, an acid, and a copolymer of functionalized (meth)acrylic esters, monomers containing phosphoric and/or phosphonic acid groups, monomers having COOH groups, and, if appropriate, further monomers. Copolymer which comprises said monomers.Type: GrantFiled: July 18, 2007Date of Patent: October 29, 2013Assignee: BASF SEInventors: Frank Klippel, Alexander Göthlich, Gunnar Schornick, Dietrich Fehringer, Thomas Heidenfelder, Helmut Witteler, Walter Bertkau
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Patent number: 8420174Abstract: The present invention relates to a composition for coating metallic surfaces, comprising a binder component; a corrosion inhibitor polymer based on an ethylenically monocarboxylic and dicarboxylic acid and, if appropriate, further ethylenical monomers, a solvent component, and, if appropriate, crosslinkable components, and also pigment/filler components. The invention further relates to processes for its preparation and also to methods of coating a metallic surface using the composition, to coated metallic surfaces thus obtained, and to the use of the composition as a primer, particularly in coil coating or in atmospheric corrosion control. After drying, the applied layer preferably has a thickness of at least 3.1 ?m and is therefore thicker than a typical pretreatment layer.Type: GrantFiled: August 9, 2006Date of Patent: April 16, 2013Assignee: BASF SEInventors: Alexander Goethlich, Frank Klippel, Gunnar Schornick, Guido Vandermeulen, Helmut Witteler, Thomas Heidenfelder, Markus Hickl, Michael Dornbusch, Konrad Roschmann, Monica Fernandez Gonzalez
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Patent number: 8394208Abstract: The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphoric acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface.Type: GrantFiled: March 23, 2010Date of Patent: March 12, 2013Assignee: BASF AktiengesellschaftInventors: Frank Dietsche, Helmut Witteler, Matthias Kluglein, Frank Klippel
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Patent number: 8268404Abstract: The present invention relates to a method of applying atmospheric corrosion control coats to metallic surfaces, using copolymers comprising as monomeric building blocks monomers containing nitrile groups, monomers containing acidic groups, and vinylaromatic monomers. It relates, furthermore, to preparations for applying corrosion control coats.Type: GrantFiled: June 18, 2008Date of Patent: September 18, 2012Assignee: BASF SEInventors: Guido Vandermeulen, Konrad Roschmann, Stephan Amthor, Marc Schroeder, Alexsandro Berger, Frank Klippel
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Patent number: 8241745Abstract: The present invention relates to a substantially chromium-free process for passivating metallic surfaces of Zn, Zn alloys, Al or Al alloys by treating the surface with an acidic aqueous formulation which comprises at least one substantially noncrosslinked, water-soluble polymer or copolymer containing at least 50% by weight of (meth)acrylic acid units and comprises water or an aqueous solvent mixture comprising at least 50% by weight of water, and by further treating the surface with at least one water-soluble crosslinker comprising at least 2 crosslinking groups selected from the group consisting of azirane, oxirane, and thiirane groups. The invention further relates to passivating layers obtainable by means of the process and to a formulation suitable for this process.Type: GrantFiled: October 15, 2004Date of Patent: August 14, 2012Assignee: BASF SEInventors: Frank Dietsche, Frank Klippel, Matthias Klüglein, Alexander Göthlich
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Patent number: 8002119Abstract: A method for controlling the thickening of aqueous systems comprising silicates, which comprises adding to the aqueous system at least one copolymer of a mean molecular weight Mw of at least 3000 g/mol to at most 60 000 g/mol and the copolymer being made up essentially randomly from monoethylenically unsaturated monocarboxylic acids, monoethylenically unsaturated dicarboxylic acids and other ethylenically unsaturated comonomers, the polymerization for producing the copolymer being performed in the presence of from 0.01 to 100 mol % of at least one base, based on the total amount of all COOH groups of the monocarboxylic and dicarboxylic acids, the quantitative figures in % by weight being respectively based on the total amount of all monomers used.Type: GrantFiled: January 30, 2007Date of Patent: August 23, 2011Assignee: BASF SEInventors: Karl-Heinz Buechner, Stephan Nied, Alexander Goethlich, Frank Klippel, Gunnar Schornick
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Patent number: 7879158Abstract: The present invention relates to a passivating layer on a metal surface, obtainable by contacting the metal surface with a composition comprising a water-soluble nitrogenous polymer, to a surface composed of a metal surface and the passivating layer of the invention, to a process for forming a passivating layer on a metal surface, to the use of a composition comprising a water-soluble nitrogenous polymer to passivate a metal surface, and to a system on a metal surface that comprises a passivating layer of the invention and further coating films.Type: GrantFiled: March 12, 2004Date of Patent: February 1, 2011Assignee: BASF SEInventors: Frank Dietsche, Helmut Witteler, Matthias Klüglein, Frank Klippel
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Publication number: 20100255206Abstract: The present invention relates to a method of applying atmospheric corrosion control coats to metallic surfaces, using copolymers comprising as monomeric building blocks monomers containing nitrile groups, monomers containing acidic groups, and vinylaromatic monomers. It relates, furthermore, to preparations for applying corrosion control coats.Type: ApplicationFiled: June 18, 2008Publication date: October 7, 2010Applicant: BASF SEInventors: Guido Vandermeulen, Konrad Roschmann, Stephan Amthor, Marc Schroeder, Alexsandro Berger, Frank Klippel
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Publication number: 20100175792Abstract: The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphoric acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface.Type: ApplicationFiled: March 23, 2010Publication date: July 15, 2010Applicant: BASF AKTIENGESELLSCHAFTInventors: Frank DIETSCHE, Helmut WITTELER, Matthias KLÜGLEIN, Frank KLIPPEL
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Patent number: 7749337Abstract: Process for the passivation of metallic surfaces by treatment of the surface with an acidic, aqueous preparation which comprises at least one water-soluble acid group-containing polymer and Zn, Ca, Mg or Al ions, said process being in particular a continuous process for the passivation of strip metals.Type: GrantFiled: June 13, 2006Date of Patent: July 6, 2010Assignee: BASF SEInventors: Helmut Witteler, Walter Bertkau, Thomas Heidenfelder, Alexander Göthlich, Jens Haas, Frank Klippel, Gunnar Schornick
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Patent number: 7655279Abstract: The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphonic acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface.Type: GrantFiled: February 19, 2004Date of Patent: February 2, 2010Assignee: BASF AktiengesellschaftInventors: Frank Dietsche, Helmut Witteler, Matthias Klüglein, Frank Klippel
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Publication number: 20090324839Abstract: Process for passivating metallic surfaces, and a preparation suitable for implementing the process, comprising at least water, an acid, and a copolymer of functionalized (meth)acrylic esters, monomers containing phosphoric and/or phosphonic acid groups, monomers having COOH groups, and, if appropriate, further monomers. Copolymer which comprises said monomers.Type: ApplicationFiled: July 18, 2007Publication date: December 31, 2009Applicant: BASF SE Patents, Trademarks and LicensesInventors: Frank Klippel, Alexander Göthlich, Gunnar Schornick, Dietrich Fehringer, Thomas Heidenfelder, Helmut Witteler, Walter Bertkau
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Publication number: 20090025896Abstract: A method for controlling the thickening of aqueous systems comprising silicates, which comprises adding to the aqueous system at least one copolymer of a mean molecular weight Mw of at least 3000 g/mol to at most 60 000 g/mol and the copolymer being made up essentially randomly from monoethylenically unsaturated monocarboxylic acids, monoethylenically unsaturated dicarboxylic acids and other ethylenically unsaturated comonomers, the polymerization for producing the copolymer being performed in the presence of from 0.01 to 100 mol % of at least one base, based on the total amount of all COOH groups of the monocarboxylic and dicarboxylic acids, the quantitative figures in % by weight being respectively based on the total amount of all monomers used.Type: ApplicationFiled: January 30, 2007Publication date: January 29, 2009Applicant: BASF SEInventors: Karl-Heinz Büchner, Stephan Nied, Alexander Gothlich, Frank Klippel, Gunnar Schornick
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Publication number: 20090020728Abstract: A method for controlling the thickening of aqueous systems comprising silicates, which comprises adding to the aqueous system at least one copolymer of a mean molecular weight Mw of greater than 60 000 g/mol and the copolymer being made up essentially randomly from monoethylenically unsaturated monocarboxylic acids, monoethylenically unsaturated dicarboxylic acids and optionally other ethylenically unsaturated comonomers, the quantitative figures being respectively based on the total amount of all monomers used.Type: ApplicationFiled: January 31, 2007Publication date: January 22, 2009Applicant: BASF SEInventors: Karl-Heinz Buchner, Stephan Nied, Frank Klippel, Alexander Gothlich, Gunnar Schornick
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Publication number: 20090007990Abstract: A process for passivating a metallic surface by treating it with an acidic aqueous preparation comprising at least one itaconic acid homo- or copolymer. Passivating layers and metallic surfaces obtainable by means of the process.Type: ApplicationFiled: August 4, 2005Publication date: January 8, 2009Inventors: Frank Klippel, Matthias Kluglein, Gunnar Schornick, Alexander Gothlich, Frank Dietsche, Helmut Witteler
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Publication number: 20080269446Abstract: Partially neutralized carboxylate-rich copolymers, processes for their preparation and methods of using the same are disclosed, the copolymers comprising: monomers (A), (B), and (C); wherein monomer (A) comprises at least one monoethylenically unsaturated monocarboxylic acid, and is present in an amount of 30% to 79.99% by weight; wherein monomer (B) comprises at least one monoethylenically unsaturated dicarboxylic acid selected from the group consisting of acids corresponding to general formula I, acids corresponding to general formula II, anhydrides thereof, and other hydrolyzable derivatives thereof, and is present in an amount of 20.Type: ApplicationFiled: August 4, 2005Publication date: October 30, 2008Applicant: Basf AktiengesellschaftInventors: Kathrin Michl, Matthias Gerst, Frank Klippel, Alexander Gothlich, Frank Dietsche, Helmut Witteler, Dieter Faul
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Publication number: 20080233390Abstract: The present invention relates to a composition for coating metallic surfaces, comprising a binder component; a corrosion inhibitor polymer based on an ethylenically monocarboxylic and dicarboxylic acid and, if appropriate, further ethylenical monomers, a solvent component, and, if appropriate, crosslinkable components, and also pigment/filler components. The invention further relates to processes for its preparation and also to methods of coating a metallic surface using the composition, to coated metallic surfaces thus obtained, and to the use of the composition as a primer, particularly in coil coating or in atmospheric corrosion control. After drying, the applied layer preferably has a thickness of at least 3.1 ?m and is therefore thicker than a typical pretreatment layer.Type: ApplicationFiled: August 9, 2006Publication date: September 25, 2008Inventors: Alexander Gothlich, Frank Klippel, Gunnar Schornick, Guido Vandermeulen, Helmut Witteler, Thomas Heidenfelder, Markus Hickl, Michael Dornbusch, Konrad Roschmann, Monica Fernandez Gonzalez
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Publication number: 20080197020Abstract: Flat shaped bodies which comprise at least one metallic layer, a conversion coat applied thereto, and at least one paint coat, and methods for producing such bodies starting from flat, metallic, semifinished products.Type: ApplicationFiled: June 13, 2006Publication date: August 21, 2008Applicant: BASF AktiengesellschaftInventors: Helmut Witteler, Alexander Gothlich, Thomas Heidenfelder, Walter Bertkau, Frank Klippel, Gunnar Schornick