Patents by Inventor Ulrich Heimann
Ulrich Heimann 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: 8152983Abstract: Electrocoat materials comprising bismuth compounds, further comprising (A) at least one self-crosslinking and/or externally crosslinking binder containing (potentially) cationic or anionic groups and reactive functional groups which (i) with themselves or with complementary reactive functional groups in the self-crosslinking binder, or (ii) in the case of the externally crosslinking binder, with complementary reactive functional groups present in crosslinking agents (B) are able to undergo thermal crosslinking reactions, (B) if desired, at least one crosslinking agent comprising the complementary reactive functional groups, and (C) bismuth subsalicylate of empirical formula C7H5O4Bi.Type: GrantFiled: March 19, 2009Date of Patent: April 10, 2012Assignee: BASF Coatings GmbHInventors: Michael Hartung, Ulrich Heimann, Karl-Heinz Groβe-Brinkhaus, Hardy Reuter
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Patent number: 7781054Abstract: The invention relates to a coating that is produced from a thermally curable, aqueous coating material on an organic basis, and that contains colloidally dispersed metallic bismuth. The invention further relates to the use thereof as anti-corrosive coating on metal substrates.Type: GrantFiled: December 7, 2000Date of Patent: August 24, 2010Assignee: BASF Coatings GmbHInventors: Hardy Reuter, Karl-Heinz Grosse-Brinkhaus, Ulrich Heimann, Dagmar Schemschat, Rolf Döring, Walter Jouck
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Publication number: 20090258981Abstract: Electrocoat materials comprising bismuth compounds, further comprising (A) at least one self-crosslinking and/or externally crosslinking binder containing (potentially) cationic or anionic groups and reactive functional groups which (i) with themselves or with complementary reactive functional groups in the self-crosslinking binder, or (ii) in the case of the externally crosslinking binder, with complementary reactive functional groups present in crosslinking agents (B) are able to undergo thermal crosslinking reactions, (B) if desired, at least one crosslinking agent comprising the complementary reactive functional groups, and (C) bismuth subsalicylate of empirical formula C7H5O4Bi.Type: ApplicationFiled: March 19, 2009Publication date: October 15, 2009Inventors: Michael Hartung, Ulrich Heimann, Karl-Heinz Grobe-Brinkhaus, Hardy Reuter
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Publication number: 20050240042Abstract: Electrocoat materials comprising bismuth compounds, further comprising (A) at least one self-crosslinking and/or externally crosslinking binder containing (potentially) cationic or anionic groups and reactive functional groups which (i) with themselves or with complementary reactive functional groups in the self-crosslinking binder, or (ii) in the case of the externally crosslinking binder, with complementary reactive functional groups present in crosslinking agents (B) are able to undergo thermal crosslinking reactions, (B) if desired, at least one crosslinking agent comprising the complementary reactive functional groups, and (C) bismuth subsalicylate of empirical formula C7H5O4Bi.Type: ApplicationFiled: July 9, 2003Publication date: October 27, 2005Inventors: Michael Hartung, Ulrich Heimann, Karl-Heinz Grosse-Brinkhaus, Hardy Reuter
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Patent number: 6951602Abstract: The invention relates to the use of a water-soluble polyvinyl alcohol (co)polymer or a mixture of polyvinyl alcohol (co)polymers as additives in aqueous electrodeposition baths, to electrodeposition baths comprising a polyvinyl alcohol (co)polymer, and to a method of coating an electrically conductive substrate.Type: GrantFiled: June 29, 2000Date of Patent: October 4, 2005Assignee: BASF Coatings AGInventors: Hardy Reuter, Dagmar Schemschat, Karl-Heinz Grosse-Brinkhaus, Ulrich Heimann, Walter Jouck
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Publication number: 20030082368Abstract: The invention relates to a coating that is produced from a thermally curable, aqueous coating material on an organic basis, and that contains colloidally dispersed metallic bismuth. The invention further relates to the use thereof as anti-corrosive coating on metal substrates.Type: ApplicationFiled: June 27, 2002Publication date: May 1, 2003Inventors: Hardy Reuter, Karl-Heinz Grosse-Brinkhaus, Ulrich Heimann, Dagmar Schemschat, Rolf Doring, Walter Jouck
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Patent number: 6274649Abstract: The present invention relates to an aqueous binder dispersion for cathodic electrodeposition coatings obtained A) by reacting I. a precursor prepared at temperatures of from 120 to 180° C. from a) a diepoxide compound or a mixture of diepoxide compounds and b) an aromatic or aliphatic compound hydroxyl, carboxyl, phenol and/or thiol groups, or a mixture of such compounds with reaction of the phenolic hydroxyl groups with epoxide groups, II. with at least one organic amine or a mixture of organic amines at a temperature between 60 and about 130° C. to give an epoxide/amine adduct; B) subsequently or simultaneously reacting at least one secondary hydroxyl group of the precursor with an unreacted epoxide group of the epoxide/amine adduct prepared in step A) at a temperatures of from about 110 to about 150° C.; C) adding a crosslinking agent at a temperature of less than about 150° C.Type: GrantFiled: September 2, 1999Date of Patent: August 14, 2001Assignee: BASF Coatings AGInventors: Günther Ott, Hardy Reuter, Walter Jouck, Thierry Herning, Susanne Piontek, Ulrich Heimann, Karl-Heinz Grosse-Brinkhaus
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Patent number: 5980715Abstract: The invention relates to cathodically depositable, aqueous electrodeposition coating materials which are characterized in that they contain particles of wax having a diameter of from 1 to 20 .mu.m.Type: GrantFiled: March 13, 1997Date of Patent: November 9, 1999Assignee: BASF Lacke + Farben AGInventors: Karin Eckert, Uwe Buder, deceased, Susanne Piontek, Margret Stockbrink, Ulrich Heimann
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Patent number: 5693205Abstract: The invention relates to a cathodic electro-dipping process, which comprises a procedure in which the electro-dipping primer used contains an adduct containing urethane groups which is obtainable by reacting with one another a polyester-polyol or polyether-polyol, a polyisocyanate and a compound which contains a hydroxyl group and at least one ketimine group in the molecule.Type: GrantFiled: January 24, 1992Date of Patent: December 2, 1997Assignee: BASF Lacke + Farben, AGInventors: David J. Santure, Gunther Ott, Udo Reiter, Ulrich Heimann, Hans-Josef Oslowski
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Patent number: 5589049Abstract: The invention relates to a method of of coating electrically conductive substrates using cathodically depositable electrodip paints. The invention is notable in that the electrodip paints employed contain crosslinked polymer microparticles which can be prepared by reacting(A) a compound which contains on average more than 1.0 epoxide groups per molecule, or a mixture of such compounds, and(B) a compound which contains not only a group reactive toward epoxide groups but also at least one ketimine or aldimine group in the molecule, or a mixture of such compoundsto give a noncrosslinked intermediate product (C), which still contains on average at least one epoxide group per molecule, and dispersing this intermediate product in the presence of a Br onsted acid in an aqueous medium.Type: GrantFiled: August 22, 1994Date of Patent: December 31, 1996Assignee: BASF Lacke +Farben, AGInventors: G unther Ott, Hardy Reuter, Walter Jouck, Susanne Piontek, Ulrich Heimann, John Gilbert
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Patent number: 5559174Abstract: The invention relates to a novel electrocoating composition for metallic substrates that exhibits "thick-build" protective properties at "medium-build" thicknesses. It is composed of a self-addition epoxy resin-polyamine adduct, a blocked isocyanate cross-linker, a polyglycol-polyamine grind resin, a plasticizer, an anti-cratering agent and pigments.Type: GrantFiled: June 7, 1995Date of Patent: September 24, 1996Assignee: BASF CorporationInventors: Peter D. Clark, John A. Gilbert, Gunther Ott, Dieter Ruhl, David J. Santure, Ulrich Heimann, Klaus Cibura
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Patent number: 5410001Abstract: The invention relates to a cathodic electro-dipping process wherein the electro-dipping primer employed contains a crosslinking agent which can be obtained by(I) reacting, in a first stage,(a) diphenylmethane diisocyanate and(b) a monoalcohol or a mixture of monoalcohols to give an intermediate product (A) containing isocyanate groups, and(II) reacting this intermediate product (A) in a second stage with(c) a polyol or a mixture of polyols to give an intermediate product (B) containing hydroxyl groups which(III) is reacted in a third stage either with(d) a cycloaliphatic, aliphatic or araliphatic polyisocyanate or a mixture of such polyisocyanates and(e) a monofunctional masking agent or a mixture of such masking agents or with(f) a partially-masked polyisocyanate prepared from (d) and (e)to give a crosslinking agent which is free from isocyanate groups.Type: GrantFiled: March 23, 1994Date of Patent: April 25, 1995Assignee: BASF Lacke & Farben AktiengesellschaftInventors: Gunther Ott, Ulrich Heimann, Walter Jouck, Udo Reiter, David J. Santure
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Patent number: 5385977Abstract: Polymeric reaction products are obtained by reactingI) prepolymers obtained fromA) polyoxyalkylenes which have an average molecular weight M.sub.n of from 140 to 10,000 and contain on average from 1.5 to 3.0a.sub.1) primary or secondary amino groups ora.sub.2) epoxy groupsper molecule andB) polymers which are based on conjugated dienes, have an average molecular weight M.sub.n of from 250 to 50,000 and contain on average from 1.5 to 3.0b.sub.1) primary or secondary amino groups orb.sub.2) epoxy groupsper molecule, the components (a.sub.1) and (b.sub.2) or (a.sub.2) and (b.sub.1) being reacted with one another so that from at least an amino equivalent excess to 3 amino equivalents of component (a.sub.1) or (b.sub.1) are present per epoxide equivalent of component (a.sub.2) or (b.sub.2),withII) at least one compound which forms free radicals.Type: GrantFiled: March 31, 1994Date of Patent: January 31, 1995Assignee: BASF Lacke + Farben AGInventors: Dieter Faul, Gerhard Hoffmann, Klaus Huemke, Ulrich Heimann, John A. Gilbert
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Patent number: 5352525Abstract: Water-thinnable coating compositions useful in electrocoating compriseA. a mixture ofA.sub.1. 50-95% by weight of one or more oligomeric or polymeric polyaddition or polycondensation compounds which have on average a molecular weight of from 200 to 20,000 and contain per molecule at least two hydroxyl groups and at least two primary and/or secondary amino groups, andA.sub.2. 5-50% by weight of a crosslinker that is reactive toward component A.sub.1, andB. a mixture ofB.sub.1. 90-99.9% by weight of one or more radical-polymerizable compounds which have an average molecular weight of from 100 to 10,000 and contain per molecule at least two olefinic double bonds, andB.sub.2. 0.1-10% by weight of a free radical initiator having a decomposition temperature within the range 50-150.degree. C.,the ratio of mixture A to mixture B being from 10:1 to 1:10 and mixture A being substantially chemically inert toward mixture B.Type: GrantFiled: February 25, 1993Date of Patent: October 4, 1994Assignee: BASF Lacke + Farben AGInventors: Klaus Huemke, Dieter Faul, Ulrich Heimann
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Patent number: 5338434Abstract: The invention relates to aqueous electrocoating paints which contain 2 to 10% by weight of an anticorrosive pigment based on zinc silicate in combination with 1 to 15% by weight of a very fine quartz powder or cristobalite powder coated with epoxysilane or aminosilane, the percentages by weight being based on the total solids content of the electrocoating paint and the anticorrosive pigment being preparable by fusing together 35 to 65% by weight of ZnO, 15 to 35% by weight of SiO.sub.2 and 0 to 20% by weight of B.sub.2 O.sub.3 and/or 0 to 20% by weight of WO.sub.3 and/or 0 to 20% by weight of MoO.sub.3 and/or 0 to 20% by weight of SnO.sub.2, the components being fused together using at least one of the cited oxides besides ZnO and SiO.sub.2 in such a manner that the percentages by weight always total 100.Type: GrantFiled: January 11, 1993Date of Patent: August 16, 1994Assignee: BASF Lacke & Farben AktiengesellschaftInventors: Dieter Ruhl, Klaus Arlt, Ulrich Heilmann, Ulrich Heimann, Udo Hoffmann
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Patent number: 5336722Abstract: Polymeric reaction products are obtained by reactingI) prepolymers obtained fromA) polyoxyalkylenes which have an average molecular weight M.sub.n of from 140 to 10,000 and contain on average from 1.5 to 3.0a.sub.1) primary or secondary amino groups ora.sub.2) epoxy groups per molecule andB) polymers which are based on conjugated dienes, have an average molecular weight M.sub.n of from 250 to 50,000 and contain on average from 1.5 to 3.0b.sub.1) primary or secondary amino groups orb.sub.2) epoxy groups per molecule, the components (a.sub.1) and ( b.sub.2) or (a.sub.2) and (b.sub.1) being reacted with one another so that from at least an amino equivalent excess to 3 amino equivalents of component (a.sub.1) or (b.sub.1) are present per epoxide equivalent of component (a.sub.2) or (b.sub.2), withII) at least one compound which forms free radicals.Type: GrantFiled: November 20, 1992Date of Patent: August 9, 1994Assignee: BASF Lacke+Farben AktiengesellschaftInventors: Dieter Faul, Gerhard Hoffmann, Klaus Huemke, Ulrich Heimann, John A. Gilbert
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Patent number: 5324402Abstract: The invention relates to a cathodic electro-dipping process wherein the electro-dipping primer employed contains a crosslinking agent which can be obtained by(I) reacting, in a first stage,(a) diphenylmethane diisocyanate and(b) a monoalcohol or a mixture of monoalcohols to give an intermediate product (A) containing isocyanate groups, and(II) reacting this intermediate product (A) in a second stage with(c) a polyol or a mixture of polyols to give an intermediate product (B) containing hydroxyl groups which(III) is reacted in a third stage either with(d) a cycloaliphatic, aliphatic or araliphatic polyisocyanate or a mixture of such polyisocyanates and(e) a monofunctional masking agent or a mixture of such masking agents or with(f) a partially-masked polyisocyanate prepared from (d) and (e)to give a crosslinking agent which is free from isocyanate groups.Type: GrantFiled: February 4, 1993Date of Patent: June 28, 1994Assignee: BASF Lacke+Farben AktiengesellschaftInventors: Gunther Ott, Ulrich Heimann, Walter Jouck, Udo Reiter, David J. Santure
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Patent number: 5324404Abstract: In order to increase the stone chip resistance of automobile finishes aqueous electrocoating paints are used which are produced by the use of a pigment paste which contains as grinding resin an at least partially protonated epoxide-amine adduct which is obtainable by reacting(A) a glycidyl ether of a polyphenol which contains on statistical average at least one epoxide group in the molecule, or a mixture of such glycidyl ethers,(B) a polyglycidyl ether of a polyol which contains on statistical average more than 1.0 epoxide groups in the molecule, or a mixture of such polyglycidyl ethers, and(C) a compound which contains a primary amino group in the molecule or a mixture of such compoundswith each other in such a stoichiometric ratio that an epoxide-amine adduct is obtained in which on statistical average at least 2.Type: GrantFiled: July 28, 1992Date of Patent: June 28, 1994Assignee: BASF Lacke + Farben AktiengesellschaftInventors: Gunther Ott, Ulrich Heimann, Udo Reiter, David J. Santure, Thomas Brucken, Walter Jouck
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Patent number: 5283269Abstract: Epoxy resins with urethane groups, containing on average per molecule from 0.5 to 5 groups of the formula I ##STR1## where the substituents R.sup.1 and R.sup.2 are C.sub.1 -C.sub.8 -alkyl groups, which may also be linked together to form five- or six-membered rings, which may contain an oxygen atom, or are each phenyl, are useful in electrocoating.Type: GrantFiled: January 14, 1993Date of Patent: February 1, 1994Assignee: BASF Lacke + Farben AktiengesellschaftInventors: Klaus Huemke, Dirk Lawrenz, Ulrich Heimann
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Patent number: 5274011Abstract: Cationic resins are obtainable by reaction ofA) a carboxyl-containing copolymer containing as comonomersa) 35-100 mol % of butadiene,b) 0-45 mol % of acrylonitrile, andc) 0-20 mol % of further comonomers, which has an average molecular weight of 500-50,000 and carries on average from 1.5 to 4 carboxyl groups per molecule, andB) a condensation product ofd) a polybasic aliphatic C.sub.10 -C.sub.100 -carboxylic acid, ande) an amine which is polyfunctional in respect of primary and secondary amino groups,the amount of e) having been determined in such a way that, arithmetically, there are from 1.05 to 4 amino groups for every carboxyl group of d),with the proviso that the amount of B) is chosen in such a way that there are from 1.05 to 4 mol of amino groups per mole of the carboxyl groups present in A).Type: GrantFiled: October 22, 1992Date of Patent: December 28, 1993Assignee: BASF Lacke+Farben AktiengesellschaftInventors: Dieter Faul, Gerhard Hoffmann, Klaus Huemke, Ulrich Heimann