Patents by Inventor Bjorn Feldmann
Bjorn Feldmann 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: 9334355Abstract: Disclosed is a hyperbranched, dendritic, hydroxyl-functional polyester comprising an OH number greater than or equal to 180 mg KOH/g as measured via DIN 53240 and to clearcoat compositions comprising said polyesters. Also disclosed are processes for preparing the disclosed polyester, methods of making coated automotive substrates by applying the disclosed clearcoat compositions to automotive substrates, and to coated substrates made therefrom.Type: GrantFiled: June 5, 2008Date of Patent: May 10, 2016Assignees: BASF Japan Ltd., BASF Coatings GmbHInventors: Hitoshi Taniguchi, Eishi Tsukamoto, Hiroyuki Takagi, Andreas Poppe, Günter Klein, Veronika Lackstadter, Bianca Giesen, Petra Wagner, Björn Feldmann, Sabine Holtschulte, Julia Melzer, Tanja Bricke, Oliver Hilge, Benedikt Schnier, Silke Hottenbacher, Ulrike Clausen-Meiring
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Patent number: 9266995Abstract: Binder mixture comprising a hydroxyl-containing compound (A), and at least 1.0% by weight, based on the nonvolatile constituents of the binder mixture, of a phosphorus- and nitrogen-containing catalyst (D) for the crosslinking of silane groups, wherein the hydroxyl-containing compound (A) comprises a hydroxyl-functional polyester having on average at least one hydroxyl function of the polyester esterified with a C8 to C9 monocarboxylic acid, and the catalyst (D) is blocked with at least one tertiary amine of the formula (I) where R1 is an acyclic aliphatic or araliphatic hydrocarbon radical having at least 3 C atoms, R2 is an acyclic aliphatic or araliphatic hydrocarbon radical which is the same or different from R1 and/or R3, and R3 is hydrogen or an acyclic aliphatic or araliphatic hydrocarbon radical which is the same or different from R1 and/or R2.Type: GrantFiled: August 3, 2010Date of Patent: February 23, 2016Assignee: BASF Coatings GmbHInventors: Günter Klein, Andreas Poppe, Sabine Holtschulte, Björn Feldmann, Ulrike Wenking, Karl-Heinz Joost
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Patent number: 9090732Abstract: The present invention relates to a coating composition comprising (a) at least one hydroxyl-containing compound (A), (b) at least one compound (B) having free and/or blocked isocyanate groups, and (c) at least one phosphate-containing catalyst (C) for the crosslinking of silane groups, (d) at least one further catalyst (D), one or more constituents of the coating composition containing hydrolyzable silane groups, wherein the catalyst (D) is a bicyclic amine.Type: GrantFiled: December 18, 2008Date of Patent: July 28, 2015Assignee: BASF Coatings GmbHInventors: Andreas Poppe, Sabine Holtschulte, Björn Feldmann, Oliver Hilge, Günter Klein
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Patent number: 8679589Abstract: The present invention relates to a coating composition comprising (a) at least one hydroxyl-containing compound (A), (b) at least one compound (B) having free and/or blocked isocyanate groups, and (c) at least one catalyst (C) for the crosslinking of silane groups, one or more constituents of the coating composition containing hydrolyzable silane groups, wherein the coating composition contains a water scavenger as further constituent (D).Type: GrantFiled: December 18, 2008Date of Patent: March 25, 2014Assignee: BASF Coatings GmbHInventors: Matthijs Groenewolt, Günter Klein, Andreas Poppe, Simone Hesener, Wilfried Stübbe, Manuela Niemeier, Sabine Holtschulte, Oliver Hilge, Björn Feldmann
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Patent number: 8486539Abstract: The invention relates to coating compositions comprising (a) at least one hydroxyl-containing compound (A), (b) at least one saturated compound (B) having free and/or blocked isocyanate groups and containing at least in part hydrolyzable silane groups, and (c) at least one catalyst (D) for the crosslinking of silane groups, wherein the coating composition comprises as hydroxyl-containing compound (A) at least one hyperbranched, dendritic hydroxy-functional polyester in which on average at least one hydroxyl function of the polyester is esterified with at least one acid selected from the group of the isomeric C8 to C9 monocarboxylic acids. The present invention also provides a multistage coating method using these coating compositions, and also the use of the coating compositions as clearcoat material for producing multicoat effect and/or color paint systems, and use of the coating method for automotive OEM finishing and automotive refinish.Type: GrantFiled: August 22, 2009Date of Patent: July 16, 2013Assignee: BASF Coatings GmbHInventors: Günter Klein, Björn Feldmann, Sabine Holtschulte, Silke Hottenbacher, Andreas Poppe, Ulrike Clausen-Meiring
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Publication number: 20130052469Abstract: Binder mixture comprising a hydroxyl-containing compound (A), and at least 1.0% by weight, based on the nonvolatile constituents of the binder mixture, of a phosphorus- and nitrogen-containing catalyst (D) for the crosslinking of silane groups, wherein the hydroxyl-containing compound (A) comprises a hydroxyl-functional polyester having on average at least one hydroxyl function of the polyester esterified with a C8 to C9 monocarboxylic acid, and the catalyst (D) is blocked with at least one tertiary amine of the formula (I) where R1 is an acyclic aliphatic or araliphatic hydrocarbon radical having at least 3 C atoms, R2 is an acyclic aliphatic or araliphatic hydrocarbon radical which is the same or different from R1 and/or R3, and R3 is hydrogen or an acyclic aliphatic or araliphatic hydrocarbon radical which is the same or different from R1 and/or R2.Type: ApplicationFiled: August 3, 2010Publication date: February 28, 2013Applicant: BASF Coatings GmbHInventors: Gunter Klein, Andreas Poppe, Sabine Holtschulte, Björn Feldmann, Ulrike Wenking, Karl-Heinz Joost
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Patent number: 8236895Abstract: Disclosed is a finish paint composition having a hydroxyl group containing resin (A) comprising a hydroxyl group value of 80 to 220 mgKOH/g, a glass transition temperature of ?50° or above but below 0° C., and 25 to 55 mass% of units of 4-hydroxybutyl (meth)acrylate origin, a hydroxyl group containing resin (B) with a hydroxyl group value of 80 to 220 mgKOH/g, and a glass transition temperature of 0 to 50° C., and a crosslinking agent (C) comprising polyisocyanate compound having isocyanate groups, wherein the proportions of hydroxyl group containing resin (A) and hydroxyl group containing resin (B) are, as a ratio of solid fraction masses, from 95/5 to 50/50, and the proportion of isocyanate groups of the crosslinking agent (C) with respect to the hydroxyl groups in total of the hydroxyl group containing resin (A) and the hydroxyl group containing resin (B), as the NCO/OH mol ratio, is 0.5 to 1.5.Type: GrantFiled: August 22, 2008Date of Patent: August 7, 2012Assignees: BASF Coatings Japan Ltd., BASF Coatings GmbHInventors: Hitoshi Taniguchi, Hiroyuki Takagi, Eishi Tsukamoto, Andreas Poppe, Björn Feldmann, Julia Melzer, Sabine Holtschulte, Karl-Heinz Joost
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Patent number: 8153752Abstract: Disclosed herein is a polyol (A) based on modified amino resins, prepared by reacting: an amino resin (B) comprising three acetalized or etherified N-methylol groups of the general formula (I) >N—CHR—OR1, wherein R is a hydrogen atom, an alkyl group of 1 to 6 carbon atoms or an aryl group of 6 to 10 carbon atoms and R1 is an alkyl group of 1 to 6 carbon atoms; with a polyol (C) of the general formula (II) R2(—OH)n, wherein n is a number from 2 to 6 and R2 is a divalent to hexavalent organic radical; wherein an equivalent ratio of the acetalized or etherified N-methylol groups to the polyol (C) is 0.5:1 to 1.2:1; with elimination of at least 50 mol % of a monoalcohol (D) of the general formula R1—OH, wherein R1 is as defined above, from the amino resin (B).Type: GrantFiled: February 9, 2007Date of Patent: April 10, 2012Assignee: BASF Coatings GmbHInventors: Gunther Ott, Ulrike Rockrath, Bjorn Feldmann, Ulrike Clausen-Meiring, Karl-Heinz Joost
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Publication number: 20110263789Abstract: Disclosed is a hyperbranched, dendritic, hydroxyl-functional polyester comprising an OH number greater than or equal to 180 mg KOH/g as measured via DIN 53240 and to clearcoat compositions comprising said polyesters. Also disclosed are processes for preparing the disclosed polyester, methods of making coated automotive substrates by applying the disclosed clearcoat compositions to automotive substrates, and to coated substrates made therefrom.Type: ApplicationFiled: June 5, 2008Publication date: October 27, 2011Applicants: BASF COATINGS AG, BASF COATINGS JAPAN LTD.Inventors: Hitoshi Taniguchi, Eishi Tsukamoto, Hiroyuki Takagi, Andreas Poppe, Günter Klein, Veronika Lackstadter, Bianca Giesen, Petra Wagner, Björn Feldmann, Sabine Holtschulte, Julia Melzer, Tanja Bricke, Oliver Hilge, Benedikt Schnier, Silke Hottenbacher, Ulrike Clausen-Meiring
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Publication number: 20110245406Abstract: The invention relates to coating compositions comprising (a) at least one hydroxyl-containing compound (A), (b) at least one saturated compound (B) having free and/or blocked isocyanate groups and containing at least in part hydrolyzable silane groups, and (c) at least one catalyst (D) for the crosslinking of silane groups, wherein the coating composition comprises as hydroxyl-containing compound (A) at least one hyperbranched, dendritic hydroxy-functional polyester in which on average at least one hydroxyl function of the polyester is esterified with at least one acid selected from the group of the isomeric C8 to C9 monocarboxylic acids. The present invention also provides a multistage coating method using these coating compositions, and also the use of the coating compositions as clearcoat material for producing multicoat effect and/or color paint systems, and use of the coating method for automotive OEM finishing and automotive refinish.Type: ApplicationFiled: August 22, 2009Publication date: October 6, 2011Applicant: BASF COATINGS GMBHInventors: Günter Klein, Björn Feldmann, Sabine Holtschulte, Silke Hottenbacher, Andreas Poppe, Ulrike Clausen-Meiring
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Publication number: 20110152440Abstract: [Problem] To provide a paint composition which forms paint films which are excellent in terms of car-wash scratching resistance, acid resistance and weather resistance, a method of finish painting and painted objects. [Means of Resolution] A paint composition which has as essential components hydroxyl group containing resin (A) which has a hydroxyl group value of from 80 to 220 mgKOH/g, a glass transition temperature of ?50° C. or above but below 0° C. and which contains from 25 to 55 mass % of units of 4-hydroxybutyl (meth)acrylate origin, hydroxyl group containing resin (B) which has a hydroxyl group value of from 80 to 220 mgKOH/g and a glass transition temperature of from 0 to 50° C.Type: ApplicationFiled: August 22, 2008Publication date: June 23, 2011Applicants: BASF COATINGS JAPAN LTD., BASF COATINGS AGInventors: Hitoshi Taniguchi, Hiroyuki Takagi, Eishi Tsukamoto, Andreas Poppe, Björn Feldmann, Julia Melzer, Sabine Holtschulte, Karl-Heinz Joost
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Publication number: 20110059251Abstract: The present invention relates to a coating composition comprising (a) at least one hydroxyl-containing compound (A), (b) at least one compound (B) having free and/or blocked isocyanate groups, and (c) at least one phosphate-containing catalyst (C) for the crosslinking of silane groups, (d) at least one further catalyst (D), one or more constituents of the coating composition containing hydrolyzable silane groups, wherein the catalyst (D) is a bicyclic amine.Type: ApplicationFiled: December 18, 2008Publication date: March 10, 2011Applicant: BASF COATINGS GMBHInventors: Andreas Poppe, Sabine Holtschulte, Björn Feldmann, Oliver Hilge, Gunter Klein
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Publication number: 20110034628Abstract: Disclosed are branched polyols (A) having two or more hydroxyl groups per molecule prepared by providing a polyisocyanate (A1) containing per molecule two or more isocyanate groups and either two or more hard segments (a11) which as part of a thermoset three-dimensional network raise its glass transition temperature, or two or more soft segments which as part of a thermoset three-dimensional network lower its glass transition temperature; and reacting the polyisocyanate (A1) with a polyol (A2) in a molar ratio (A2):(A1) of ?2 and an equivalent ratio of [X+OH]:NCO?2; wherein polyol (A2) has the general formula I: X [—R(—OH)n]m, and the variables have the following definitions: n is a number from 1 to 5, m is 1 or 2, X is an isocyanate-reactive functional group, and R is a divalent to pentavalent organic radical, with the proviso that R comprises at least one hard segment (a11) if (A1) comprises soft segments.Type: ApplicationFiled: May 9, 2007Publication date: February 10, 2011Applicant: BASF COATINGS AGInventors: Gunther Ott, Bjorn Feldmann, Sabine Holtschulte, Andreas Janssen, Christin Sobbe, Karl-Heinz Joost
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Publication number: 20110027489Abstract: The present invention relates to a coating composition comprising (a) at least one hydroxyl-containing compound (A), (b) at least one compound (B) having free and/or blocked isocyanate groups, and (c) at least one catalyst (C) for the crosslinking of silane groups, ?one or more constituents of the coating composition containing hydrolyzable silane groups, wherein the coating composition contains a water scavenger as further constituent (D).Type: ApplicationFiled: December 18, 2008Publication date: February 3, 2011Applicant: BASF COATINGS GMBHInventors: Matthijs Groenewolt, Günter Klein, Andreas Poppe, Simone Hesener, Wilfried Stubbe, Manuela Niemeier, Sabine Holtschulte, Oliver Hilge, Björn Feldmann
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Publication number: 20100273975Abstract: Disclosed herein is a polyol (A) based on modified amino resins, prepared by reacting: an amino resin (B) comprising three acetalized or etherified N-methylol groups of the general formula (I)>N—CHR—OR1, wherein R is a hydrogen atom, an alkyl group of 1 to 6 carbon atoms or an aryl group of 6 to 10 carbon atoms and R1 is an alkyl group of 1 to 6 carbon atoms; with a polyol (C) of the general formula (II) R2(—OH)n, wherein n is a number from 2 to 6 and R2 is a divalent to hexavalent organic radical; wherein an equivalent ratio of the acetalized or etherified N-methylol groups to the polyol (C) is 0.5:1 to 1.2:1; with elimination of at least 50 mol % of a monoalcohol (D) of the general formula R1—OH, wherein R1 is as defined above, from the amino resin (B).Type: ApplicationFiled: February 9, 2007Publication date: October 28, 2010Applicant: BASF COATINGS AKTIENGESELLSCHAFTInventors: Gunther Ott, Ulrike Rockrath, Bjorn Feldmann, Ulrike Clausen-Meiring, Karl-Heinz Joost
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Publication number: 20100197867Abstract: Disclosed are hydroxyl-functional binders having an OH number greater than or equal to 180 mg KOH/g as determined in accordance with DIN 53240 and a solubility parameter SP=10, and to clearcoat compositions comprising said binders. Also disclosed are processes for preparing the disclosed hydroxyl-functional binders, methods of making coated automotive substrates by applying the disclosed clearcoat compositions to automotive substrates, and to coated substrates made therefrom.Type: ApplicationFiled: June 5, 2008Publication date: August 5, 2010Applicants: BASF COATINGS JAPAN LTD., BASF COATINGS AGInventors: Rui Niimi, Andreas Poppe, Gunter Klein, Bjorn Feldmann, Ulrike Clausen-Meiring