Patents by Inventor Wilfried Stübbe
Wilfried Stübbe 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: 20180187045Abstract: The present invention relates to a method for producing coatings on metal surfaces, wherein an optionally precoated metal surface has applied to it a coating material composition (K) which comprises a) at least one polyhydroxyl group-containing component (A), b) at least one component (B) having on average at least one free and/or blocked isocyanate group and having on average at least one hydrolyzable silane group of the formula (I) —N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m??(I) c) and at least one phosphorus-containing catalyst (D) for the crosslinking of silane groups, which comprises i. applying the coating material composition (K) to wheel rims, ii. 5 to 50 mol % of the isocyanate groups originally present in component (B) having undergone reaction to form silane groups of the formula (I), and iii. the phosphorus-containing catalyst (D) being selected from the group of phosphorus-containing acids and/or the partial esters of phosphorus-containing acids.Type: ApplicationFiled: June 2, 2016Publication date: July 5, 2018Applicant: BASF Coatings GmbHInventors: Mareike MATHIEU, Andreas FEIGL, Matthijs GROENEWOLT, Marlen LAERBUSCH, Hans-Peter STEINER, Wilfried STUEBBE
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Publication number: 20180171175Abstract: The present invention relates to a method for producing dirt-repellent coatings on metal surfaces, more particularly on wheel rims, wherein an optionally precoated metal surface has applied to it a coating material composition (K) which comprises a) at least one polyhydroxyl group-containing component (A), b) at least one component (B) having on average at least one isocyanate group and having on average at least one hydrolyzable silane group of the formula (I) —X—Si—R3sG3-s??(I) where G=identical or different hydrolyzable groups, X=organic radical, R3=alkyl, cycloalkyl, aryl, or aralkyl, it being possible for the carbon chain to be interrupted by nonadjacent oxygen, sulfur, or NRa groups, with Ra=alkyl, cycloalkyl, aryl, or aralkyl, s=0 to 2, c) at least one phosphorus- and nitrogen-containing catalyst (D) for the crosslinking of silane groups, and d) at least one catalyst (Z) for the reaction of the hydroxyl groups with the isocyanate groups, which comprises the catalyst (Z) being selected from tType: ApplicationFiled: June 1, 2016Publication date: June 21, 2018Applicant: BASF Coatings GmbHInventors: Mareike MATHIEU, Andreas FEIGL, Matthijs GROENEWOLT, Marlen LAERBUSCH, Hans-Peter STEINER, Wilfried STUEBBE
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Publication number: 20170355876Abstract: The present invention relates to nonaqueous coating material compositions comprising (A) at least one polyhydroxyl group-containing component (A), (B1) at least one isocyanate and silane group-containing component (B1), and (D) at least one catalyst (D) for the crosslinking of silane groups, which composition comprises (B2) at least one isocyanate group-containing component (B2) which is different from component (B1) and which additionally has at least one perfluoroalkyl group of the formula (I) CR13—(CR22)f—??(I) where R1 and R2 independently of one another are H, F and/or CF3, but R1 and R2 may not both be H, and f is 1 to 20, preferably 3 to 11, more preferably 5 to 7. A further subject of the present invention are the coatings produced from these coating material compositions, and also their use.Type: ApplicationFiled: November 30, 2015Publication date: December 14, 2017Applicant: BASF COATINGS GmbHInventors: Guenter KLEIN, Andreas FEIGL, Christian ARENS, Wilfried STUEBBE, Ulrike WENKING, Marlen LAERBUSCH, Mareike MATHIEU
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Patent number: 9777190Abstract: Disclosed are aqueous coating compositions comprising at least one hydroxyl-containing compound (A), at least one compound (B) having isocyanate groups and also having hydrolyzable silane groups, and at least one catalyst (C) wherein the compound (B) has 10 mol % to less than 90 mol % of at least one structural unit (I) —N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m??(I) Where R?=hydrogen, alkyl or cycloalkyl, X, X?=linear and/or branched alkylene or cycloalkylene radical having 1 to 20 carbon atoms, R?=alkyl, cycloalkyl, aryl or aralkyl, n=0 to 2, m=0 to 2, m+n=2, and x, y=0 to 2, and more than 10 to 90 mol % of at least one structural unit (II) —Z—(X—SiR?x(OR?)3-x) (II), where Z=—NH—, —NR—, —O— or —S—, where R=alkyl, cycloalkyl, aryl or aralkyl, and x, X, R? and R? have the definition indicated for formula (I).Type: GrantFiled: January 4, 2012Date of Patent: October 3, 2017Assignee: BASF Coatings GmbHInventors: Matthijs Groenewolt, Manuela Niemeier, Wilfried Stübbe, Alexandra Steffens, Britta Schnieders
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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: 8658752Abstract: The invention relates to the use of partly silanized compounds based on polyisocyanate as crosslinking agents with heightened refractive index in curable coating compositions, more particularly in clearcoat materials for automotive finishing. The invention likewise relates to a coating composition which comprises these compounds as crosslinking agents, and to the use of the coating composition to produce a coating.Type: GrantFiled: June 25, 2009Date of Patent: February 25, 2014Assignee: BASF Coatings GmbHInventors: Matthijs Groenewolt, Simone Hesener, Wilfried Stübbe, Manuela Niemeier, Elke Westhoff
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Publication number: 20140037851Abstract: Disclosed are aqueous coating compositions comprising at least one hydroxyl-containing compound (A), at least one compound (B) having isocyanate groups and also having hydrolyzable silane groups, and at least one catalyst (C) wherein the compound (B) has 10 mol % to less than 90 mol % of at least one structural unit (I) —N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m??(I) Where R?=hydrogen, alkyl or cycloalkyl, X, X?=linear and/or branched alkylene or cycloalkylene radical having 1 to 20 carbon atoms, R?=alkyl, cycloalkyl, aryl or aralkyl, n=0 to 2, m=0 to 2, m+n=2, and x, y=0 to 2, and more than 10 to 90 mol % of at least one structural unit (II) —Z—(X—SiR?x(OR?)3-x) (II), where Z=—NH—, —NR—, —O— or —S—, where R=alkyl, cycloalkyl, aryl or aralkyl, and x, X, R? and R? have the definition indicated for formula (I).Type: ApplicationFiled: January 4, 2012Publication date: February 6, 2014Applicant: BASF COATINGS GMBHInventors: Matthijs Groenewolt, Manuela Niemeier, Wilfried Stübbe, Alexandra Steffens, Britta Schnieders
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Patent number: 8569438Abstract: Disclosed are coating compositions comprising (a) at least one hydroxyl-containing compound (A), (b) at least one compound (B) having isocyanate groups, and (c) at least one catalyst (D) for the crosslinking of silane groups, said catalyst (D) comprising phosphorus. It is an aspect of the disclosed coating compositions that (i) one or more constituents of the coating composition contain hydrolyzable silane groups and (ii) the coating composition can be finally cured to a coating which has statistically distributed regions of an Si—O—Si network.Type: GrantFiled: December 19, 2007Date of Patent: October 29, 2013Assignee: BASF Coatings GmbHInventors: Matthijs Groenewolt, Andreas Poppe, Guenter Klein, Manuela Niemeier, Elke Westhoff, Wilfried Stuebbe, Simone Hesener
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Patent number: 8034872Abstract: Hydrolysates and/or condensates of epoxy- and silane-functional oligomers and polymers, prepared by hydrolyzing and/or condensing at least one oligomer and/or polymer (A) containing at least one epoxide group (a1) and at least one hydrolyzable silane group (a2); and also (meth)acrylate copolymers (A) containing lateral and/or terminal epoxide groups (a1) and lateral and/or terminal hydrolyzable silane groups (a2), in a molar ratio (a1): (a2) of from 15:1 to 1: 1.5, processes for preparing them, and their use.Type: GrantFiled: November 8, 2004Date of Patent: October 11, 2011Assignee: BASF Coatings GmbHInventors: Andreas Poppe, Wilfried Stübbe, Elke Westhoff, Manuela Niemeier, Dunja Köppen
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Patent number: 7488769Abstract: An aqueous dispersion with a pH of from 2 to 7, comprising (A) at least one swellable polymer or oligomer containing anionic and/or potentially anionic functional groups, (B) surface-modified, cationically stabilized, inorganic nanoparticles of at least one kind, and (C) at least one amphiphile; and its use for producing highly scratch-resistant coatings, moldings, and self-supporting films.Type: GrantFiled: May 2, 2003Date of Patent: February 10, 2009Assignee: BASF Coatings AGInventors: Wolfgang Bremser, Wilfried Stübbe, Elke Westhoff, Manuela Niemeier, Andreas Poppe
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Publication number: 20080220173Abstract: The invention relates to a coating material comprising (A) at least 50% by weight, based on the amount of nonvolatile substances in the coating material, of at least one compound (A1) containing at least one reactive group of the formula(I) —NR—C(O)—N—(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m ??(I) where R=hydrogen, alkyl, cycloalkyl, aryl or aralkyl, the carbon chain being uninterrupted or interrupted by nonadjacent oxygen, sulfur or NRa groups, with Ra=alkyl, cycloalkyl, aryl or aralkyl, R?=hydrogen, alkyl or cycloalkyl, the carbon chain being uninterrupted or interrupted by nonadjacent oxygen, sulfur or NRa groups, X, X?=linear and/or branched alkylene or cycloalkylene radical of 2 to 20 carbon atoms, R?=alkyl, cycloalkyl, aryl or aralkyl, the carbon chain being uninterrupted or interrupted by nonadjacent oxygen, sulfur or NRa groups, n=0 to 2, m=0 to 2, m+n=2, and x, y=0 to 2, (B) a catalyst for the crosslinking of the —Si(OR?)3-X(y) units, and (C) an aprotic solvent or a mixture of aprotic solvents.Type: ApplicationFiled: September 3, 2005Publication date: September 11, 2008Applicant: BASF COATINGS AKTIENGESELLSCHAFTInventors: Andreas Poppe, Elke Westhoff, Wilfried Stuebbe, Manuela Niemeier, Dunja Mikolajetz, Simone Hesener, Andre Brosseit, Karin Wermelt, Guenter Klein, Martina Moellers
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Patent number: 7416781Abstract: Transparent coatings with a thickness of at least 30 ?m, a relative elastic resilience to DIN 55676 of at least 70%, and a scratch resistance corresponding to a score of not more than 2 in the steel wool scratch test to DIN 1041 after 10 double strokes; process for producing them, and their use.Type: GrantFiled: July 5, 2003Date of Patent: August 26, 2008Assignee: BASF Coatings AGInventors: Manuela Niemeier, Andreas Poppe, Wilfried Stübbe, Elke Westhoff, Jens-Dieter Fischer
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Patent number: 6872765Abstract: The invention relates to a sol-gel coating material containing (A) an acrylate copolymer solution containing at least one acrylate copolymer (A1); (B) a parent varnish which can be prepared by hydrolysis and condensation of at least one hydrolysable silane (B1) of the general formula (I) SiR4, in which the variable R=hydrolysable groups, hydroxy groups and non-hydrolysable groups, provided that there should be at least one, preferably two, hydrolysable groups; and (C) an additive solution containing c1) at least one ethylenically unsaturated compound containing at least one epoxide group; c2) at least one silane (B1) with at least one non-hydrolysable group R presenting at least one epoxide group; and c3) at least one adduct of at least one silane (B1) with at least one non-hydrolysable group R presenting at least one amino group and at least one cyclic ethylenically unsaturated dicarboxylic acid anhydride.Type: GrantFiled: March 6, 2000Date of Patent: March 29, 2005Assignee: BASF Coatings AGInventors: Peter Betz, Horst Hintze-Brüning, Wilfried Stübbe, Heinz-Peter Rink
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Patent number: 6828381Abstract: A sol-gel coating material, containing (A) an acrylate copolymer solution, consisting of at least one acrylate copolymer; (B) a parent lacquer which can be produced by the hydrolysis and condensation of at least one hydrolysable silane of the formula (I): SiR4; wherein: R=hydrolysable groups, hydroxy groups and non-hydrolysable groups, with the proviso that there should be at least one hydrolysable group; and (C) a sol which can be produced by the hydrolysis, condensation and complexing of (C1) at least one hydrolysable metal compound of the (II): MRn; wherein: M=aluminium, titanium or zirconium, R=the aforementioned given groups and n=3 or 4; of (C2) at least one organic thio compound of the formula (III): S(R1X)2, wherein R1 represents a two-bond organic radical and X represents hydroxyl, thiol and/or primary and/or secondary amino groups; and of (C3) a hydrolysable silane of the general formula (I).Type: GrantFiled: February 12, 2002Date of Patent: December 7, 2004Assignee: BASF Coatings AGInventors: Manuela Armbrust, Wolfgang Bremser, Horst Hintze-Brüning, Wilfried Stübbe, Peter Betz, Christel Ehlig
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Patent number: 6770329Abstract: The present invention relates to a process for producing single-coat or multicoat clearcoat finishes on primed or unprimed substrates by applying at least one powder coating dispersion, in particular a powder clearcoat slurry, to the substrate and then curing the resulting film(s) thermally and/or with actinic radiation, in which oxalic acid is added to at least one powder coating dispersion, in particular to a powder clearcoat slurry.Type: GrantFiled: October 17, 2002Date of Patent: August 3, 2004Assignee: BASF Coatings AGInventors: Günther Ott, Joachim Woltering, Wilfried Stübbe, Ulrike Röckrath, Maximilian Bendix, Ulrich Kalck, Jan Berg, Götz-Ekkehard Sapper
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Patent number: 6713559Abstract: The invention relates to a sol-gel coating material, containing (A) an acrylate copolymer solution, consisting of at least one acrylate copolymer (A1), (B) a sol which can be produced by the hydrolysis, condensation and complexing of at least one hydrolysable metal compound (B1) of the dormula (1): MRn; wherein the variable and the index have the following meanings: M=aluminium, titanium or zirconium; R=hydrolysable group, hydroxy groups and non-hydrolysable groups, with the proviso that there should be at least one, preferable two hydrolysable groups; and n=3 or 4; by the hydrolysis, condensation and complexing of at least one hydrolysable silane (B2) of the formula (II): Si(R1)2(R2)2; wherein the varible R1 and R2 have the following meanings: R1=alkyl and/or cycloalkyl radicals and R2=alkoxy and/or cycloakoxy radicals; and by the hydrolysis, condensation and complexing of at least one hydrollysable silane (B3) of the formula (III): SiR4; wherein the variable R has the aforType: GrantFiled: February 21, 2002Date of Patent: March 30, 2004Assignee: BASF Coatings AGInventors: Manuela Armbrust, Horst Hintze-Brüning, Wilfried Stübbe, Peter Betz, Christel Ehlig
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Patent number: 6509096Abstract: The present invention relates to a process for producing single-coat or multicoat clearcoat finishes on primed or unprimed substrates by applying at least one powder coating dispersion, in particular a powder clearcoat slurry, to the substrate and then curing the resulting film(s) thermally and/or with actinic radiation, in which at least one polyvalent inorganic acid and/or oxalic acid are or is added to at least one powder coating dispersion, in particular to a powder clearcoat slurry.Type: GrantFiled: October 16, 2001Date of Patent: January 21, 2003Assignee: BASF Coatings ACInventors: Günther Ott, Joachim Woltering, Wilfried Stübbe, Ulrike Röckrath, Maximilian Bendix, Ulrich Kalck, Jan Berg, Götz-Ekkehard Sapper