Patents by Inventor Leen Tanghe
Leen Tanghe 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: 10519336Abstract: This disclosure relates to a coating composition including a polyisocyanate chain extended NH functional pre-polymer, a method for coating of a metallic or plastic substrate as well as the use of the polyisocyanate chain extended NH functional pre-polymer for improving the adhesion of a coating composition on a metallic or plastic substrate and/or for improving the adhesion between two adjacent layers of multiple layers and the use of the coating composition in a one-component coating composition or two-component coating composition.Type: GrantFiled: October 16, 2015Date of Patent: December 31, 2019Assignee: Axalta Coating Systems IP Co., LLCInventors: Jozef Theresia Huybrechts, Charlotte Enkisch-Krug, Leen Tanghe, Carmen Flosbach, Ann Vaes
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Patent number: 10385231Abstract: This invention relates to a coating composition, a method for coating of a metallic substrate as well as the use of the coating in a two-component coating composition.Type: GrantFiled: February 16, 2015Date of Patent: August 20, 2019Assignee: AXALTA COATING SYSTEMS IP CO., LLCInventors: Charlotte Enkisch-Krug, Carmen Flosbach, Ann Vaes, Leen Tanghe, Jozef Huybrechts
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Patent number: 10125290Abstract: This invention relates to a coating composition, a method for coating of a metallic substrate as well as the use of a chain-extended aspartate prepolymer for improving the early hardness of the coating composition and in a two-component coating composition.Type: GrantFiled: February 16, 2015Date of Patent: November 13, 2018Assignee: AXALTA COATING SYSTEMS IP CO., LLCInventors: Charlotte Enkisch-Krug, Carmen Flosbach, Ann Vaes, Leen Tanghe, Jozef Huybrechts
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Patent number: 9790399Abstract: A curable clear coat component for use in a two-component clear coat coating composition system is provided. The curable clear coat component comprises A) a polyaspartic acid ester or a hydroxyl functional binder or a combination of both, and B) an antioxidant component comprising B1) a sterically hindered phenol antioxidant, and B2) an organophosphite antioxidant.Type: GrantFiled: July 21, 2014Date of Patent: October 17, 2017Assignee: AXALTA COATINGS SYSTEMS IP CO. LLCInventors: Leen Tanghe, Jozef Huybrechts, Ann Vaes
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Publication number: 20170218225Abstract: This invention relates to a coating composition, a method for coating of a metallic substrate as well as the use of the coating in a two-component coating composition.Type: ApplicationFiled: February 16, 2015Publication date: August 3, 2017Applicant: AXALTA COATING SYSTEMS IP CO., LLCInventors: Charlotte ENKISCH-KRUG, Carmen FLOSBACH, Ann VAES, Leen TANGHE, Jozef HUYBRECHTS
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Publication number: 20170107397Abstract: This disclosure relates to a coating composition including a polyisocyanate chain extended NH functional pre-polymer, a method for coating of a metallic or plastic substrate as well as the use of the polyisocyanate chain extended NH functional pre-polymer for improving the adhesion of a coating composition on a metallic or plastic substrate and/or for improving the adhesion between two adjacent layers of multiple layers and the use of the coating composition in a one-component coating composition or two-component coating composition.Type: ApplicationFiled: October 16, 2015Publication date: April 20, 2017Applicant: AXALTA COATING SYSTEMS IP CO., LLCInventors: Jozef Theresia Huybrechts, Charlotte Enkisch-Krug, Leen Tanghe, Carmen Flosbach, Ann Vaes
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Publication number: 20170058146Abstract: This invention relates to a coating composition, a method for coating of a metallic substrate as well as the use of a chain-extended aspartate prepolymer for improving the early hardness of the coating composition and in a two-component coating composition.Type: ApplicationFiled: February 16, 2015Publication date: March 2, 2017Applicant: AXALTA COATING SYSTEMS IP CO., LLCInventors: Charlotte ENKISCH-KRUG, Carmen FLOSBACH, Ann VAES, Leen TANGHE, Jozef HUYBRECHTS
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Publication number: 20160032142Abstract: The invention relates to a coating composition comprising (A) at least one polyaspartic acid ester, (B) at least one polyisocyanate cross-linking agent with free isocyanate groups and (C) at least one compound with at least one epoxy group and at least one alkoxy silane group and to the use of the coating composition as primer, primer surfacer, pigmented single stage top coat or clear coat coating composition, particularly in vehicle repair coating.Type: ApplicationFiled: March 4, 2014Publication date: February 4, 2016Applicant: AXALTA COATING SYSTEMS IP CO., LLCInventors: Jozef Huybrechts, Leen Tanghe, Ann Vaes
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Publication number: 20150031807Abstract: A curable clear coat component for use in a two-component clear coat coating composition system is provided. The curable clear coat component comprises A) a polyaspartic acid ester or a hydroxyl functional binder or a combination of both, and B) an antioxidant component comprising B1) a sterically hindered phenol antioxidant, and B2) an organophosphite antioxidant.Type: ApplicationFiled: July 21, 2014Publication date: January 29, 2015Inventors: Leen Tanghe, Jozef Huybrechts, Ann Vaes
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Patent number: 8822622Abstract: The invention is directed to coating compositions comprising A) at least one hydroxyl-functional and optionally acid-functional binder, preferably with an acid number of 0 to 150 mg KOH/g binder solids, B) at least one polyisocyanate curing agent with free isocyanate groups, C) at least one thermally latent tetrahydrocarbyl tin catalyst of general formula (I) RnR?4-nSn??(I) wherein R is an alkyl group, R? is an aryl, arylalkyl or alkenyl group and n is 1, 2 or 3, and D) optionally at least one acid-functional compound, that is different from component A), with the proviso that the acid number of a composition, consisting of the at least one binder A) and optionally of the at least one acid-functional compound D), has an acid number of at least 5 mg KOH/g solids, preferably of least 10 mg KOH/g solids, and to a process for coating substrates comprising the steps: I) applying the coating composition to an optionally pre-coated substrate, and II) curing the applied coating composition by means of thermal eneType: GrantFiled: December 1, 2010Date of Patent: September 2, 2014Assignee: Axalta Coating Systems IP Co., LLCInventors: Jozef Huybrechts, Leen Tanghe, Richard Milic
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Publication number: 20120237688Abstract: The invention is directed to coating compositions comprising A) at least one hydroxyl-functional and optionally acid-functional binder, preferably with an acid number of 0 to 150 mg KOH/g binder solids, B) at least one polyisocyanate curing agent with free isocyanate groups, C) at least one thermally latent tetrahydrocarbyl tin catalyst of general formula (I) RnR?4-nSn??(I) wherein R is an alkyl group, R? is an aryl, arylalkyl or alkenyl group and n is 1, 2 or 3, and D) optionally at least one acid-functional compound, that is different from component A), with the proviso that the acid number of a composition, consisting of the at least one binder A) and optionally of the at least one acid-functional compound D), has an acid number of at least 5 mg KOH/g solids, preferably of least 10 mg KOH/g solids, and to a process for coating substrates comprising the steps: I) applying the coating composition to an optionally pre-coated substrate, and II) curing the applied coating composition by means of thermalType: ApplicationFiled: December 1, 2010Publication date: September 20, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Jozef Huybrechts, Leen Tanghe, Richard Milic
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Patent number: 8197905Abstract: The present invention is directed to a process of applying a solvent-based coating composition on a substrate to produce a multi-layer coating thereon. The binder component of the composition includes at least one hydroxy-functional polyether obtained from at least one polyol having at least three hydroxyl groups and at least one monoglycidyl ester of a branched monocarboxylic acid. The crosslinking component of the composition includes at least one cross-linking agent that is capable of entering into a cross-linking reaction with the hydroxyl groups of- the hydroxy-functional polyether. The process further includes curing the multi-layer coating. The process is well suited for producing clear coats and pigmented topcoats in automotive refinishing.Type: GrantFiled: September 25, 2006Date of Patent: June 12, 2012Assignee: E I du Pont de Nemours and CompanyInventors: Jozef Theresia Huybrechts, Leen Tanghe
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Patent number: 7230112Abstract: Described in this invention is a catalytic process for making amide acetals from nitrites and diethanolamines. Amide acetals can be further crosslinked by hydrolyzing the amide acetal groups, and subsequently reacting the hydroxyl groups and/or the amine functions that are formed, to crosslink the composition.Type: GrantFiled: October 7, 2004Date of Patent: June 12, 2007Assignee: E. I. duPont de Nemours and CompanyInventors: Douglas J. Adelman, Neville Everton Drysdale, Christian Peter Lenges, Mark A. Scialdone, Leen Tanghe, Jozef Theresia Huybrechts, Laura Ann Lewin, Robert John Barsotti
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Publication number: 20070082992Abstract: The invention is directed to solvent-based coating compositions comprising a binder component and a crosslinking component, wherein the binder component comprises at least one hydroxy-functional polyether A) having at least two secondary hydroxyl groups per molecule, a number average molecular weight Mn in the range of 200 to 5,000 and a polydispersity of <2, wherein the polyether A) is obtained from at least one polyol Aa) having at least three hydroxyl groups and at least one monoglycidyl ester Ab) of a branched monocarboxylic acid, having 5 carbon atoms in the molecule, and wherein the crosslinking component comprises at least one cross-linking agent B), which is capable of entering into a cross-linking reaction with the hydroxyl groups of the hydroxy-functional polyether A). The coating compositions have a low content of volatile organic compounds and are suitable as clear coat or pigmented top coat for automotive and industrial coating.Type: ApplicationFiled: September 25, 2006Publication date: April 12, 2007Inventors: Jozef Huybrechts, Leen Tanghe
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Patent number: 7071286Abstract: The invention is directed to coating compositions comprising: A) 20–80 wt-% of at least one orthoester compound having at least one non-cyclic orthoester group and at least one hydroxyl group per molecule, which compound is obtained by reacting a) at least one orthoester compound with b) at least one diol with a number average molecular weight (Mn) of 200–1000 g/mol, wherein solely diols are used having hydroxyl groups with different reactivity and having more than 3 carbon atoms between the hydroxyl groups, B) 0–40 wt-% of at least one hydroxy-functional binder and/or hydroxy-functional reactive diluent, different from component A) and C) 80–20 wt-% of at least one cross-linking agent with functional groups reactive with hydroxyl groups.Type: GrantFiled: December 2, 2003Date of Patent: July 4, 2006Assignee: E. I. duPont de Nemours and CompanyInventors: Robert J. Barsotti, Jos Huybrechts, Leen Tanghe
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Publication number: 20050222425Abstract: Described in this invention is a catalytic process for making amide acetals from nitrites and diethanolamines. Amide acetals can be further crosslinked by hydrolyzing the amide acetal groups, and subsequently reacting the hydroxyl groups and/or the amine functions that are formed, to crosslink the composition.Type: ApplicationFiled: October 7, 2004Publication date: October 6, 2005Inventors: Douglas Adelman, Neville Drysdale, Christian Lenges, Mark Scialdone, Leen Tanghe, Jozef Huybrechts, Laura Lewin, Robert Barsotti
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Patent number: 6902820Abstract: Coating compositions comprising: A) least one hydroxy-functional polyester with at least two hydroxyl groups per molecule, wherein at least one of which hydroxyl groups is a tertiary hydroxyl group, and the polyester has a number average molecular weight Mw of 200 to 5000, and contains as a structural element 10-90 wt-%, relative to the total quantity of polyester, of at least one acid ester group comprising a tertiary hydroxyl group and of the following general formula I ?wherein R1 is a single bond or a C1-C6 alkyl group, R2 and R3 mutually independently mean a C1-C4 alkyl group, B) optionally, at least one additional hydroxy-functional binder other than A) and C) at least one cross-linking agent which is capable of entering into a cross-linking reaction with the OH-groups of components A) and B.Type: GrantFiled: September 25, 2003Date of Patent: June 7, 2005Assignee: E.I. du Pont de Nemours and CompanyInventors: Jos Huybrechts, Ann Vaes, Lieve Bastin, Leen Tanghe
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Publication number: 20050119443Abstract: The invention is directed to coating compositions comprising: A) 20-80 wt-% of at least one orthoester compound having at least one non-cyclic orthoester group and at least one hydroxyl group per molecule, which compound is obtained by reacting a) at least one orthoester compound with b) at least one diol with a number average molecular weight (Mn) of 200-1000 g/mol, wherein solely diols are used having hydroxyl groups with different reactivity and having more than 3 carbon atoms between the hydroxyl groups, B) 0-40 wt-% of at least one hydroxy-functional binder and/or hydroxy-functional reactive diluent, different from component A) and C) 80-20 wt-% of at least one cross-linking agent with functional groups reactive with hydroxyl groups.Type: ApplicationFiled: December 2, 2003Publication date: June 2, 2005Inventors: Robert Barsotti, Jos Huybrechts, Leen Tanghe
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Publication number: 20040116645Abstract: Coating compositions comprising:Type: ApplicationFiled: September 25, 2003Publication date: June 17, 2004Inventors: Jos Huybrechts, Ann Vaes, Lieve Bastin, Leen Tanghe