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).

  • Patent number: 10519336
    Abstract: 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: Grant
    Filed: October 16, 2015
    Date of Patent: December 31, 2019
    Assignee: Axalta Coating Systems IP Co., LLC
    Inventors: Jozef Theresia Huybrechts, Charlotte Enkisch-Krug, Leen Tanghe, Carmen Flosbach, Ann Vaes
  • Patent number: 10385231
    Abstract: 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: Grant
    Filed: February 16, 2015
    Date of Patent: August 20, 2019
    Assignee: AXALTA COATING SYSTEMS IP CO., LLC
    Inventors: Charlotte Enkisch-Krug, Carmen Flosbach, Ann Vaes, Leen Tanghe, Jozef Huybrechts
  • Patent number: 10125290
    Abstract: 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: Grant
    Filed: February 16, 2015
    Date of Patent: November 13, 2018
    Assignee: AXALTA COATING SYSTEMS IP CO., LLC
    Inventors: Charlotte Enkisch-Krug, Carmen Flosbach, Ann Vaes, Leen Tanghe, Jozef Huybrechts
  • Patent number: 9790399
    Abstract: 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: Grant
    Filed: July 21, 2014
    Date of Patent: October 17, 2017
    Assignee: AXALTA COATINGS SYSTEMS IP CO. LLC
    Inventors: Leen Tanghe, Jozef Huybrechts, Ann Vaes
  • Publication number: 20170218225
    Abstract: 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: Application
    Filed: February 16, 2015
    Publication date: August 3, 2017
    Applicant: AXALTA COATING SYSTEMS IP CO., LLC
    Inventors: Charlotte ENKISCH-KRUG, Carmen FLOSBACH, Ann VAES, Leen TANGHE, Jozef HUYBRECHTS
  • Publication number: 20170107397
    Abstract: 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: Application
    Filed: October 16, 2015
    Publication date: April 20, 2017
    Applicant: AXALTA COATING SYSTEMS IP CO., LLC
    Inventors: Jozef Theresia Huybrechts, Charlotte Enkisch-Krug, Leen Tanghe, Carmen Flosbach, Ann Vaes
  • Publication number: 20170058146
    Abstract: 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: Application
    Filed: February 16, 2015
    Publication date: March 2, 2017
    Applicant: AXALTA COATING SYSTEMS IP CO., LLC
    Inventors: Charlotte ENKISCH-KRUG, Carmen FLOSBACH, Ann VAES, Leen TANGHE, Jozef HUYBRECHTS
  • Publication number: 20160032142
    Abstract: 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: Application
    Filed: March 4, 2014
    Publication date: February 4, 2016
    Applicant: AXALTA COATING SYSTEMS IP CO., LLC
    Inventors: Jozef Huybrechts, Leen Tanghe, Ann Vaes
  • Publication number: 20150031807
    Abstract: 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: Application
    Filed: July 21, 2014
    Publication date: January 29, 2015
    Inventors: Leen Tanghe, Jozef Huybrechts, Ann Vaes
  • Patent number: 8822622
    Abstract: 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 ene
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: September 2, 2014
    Assignee: Axalta Coating Systems IP Co., LLC
    Inventors: Jozef Huybrechts, Leen Tanghe, Richard Milic
  • Publication number: 20120237688
    Abstract: 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
    Type: Application
    Filed: December 1, 2010
    Publication date: September 20, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Jozef Huybrechts, Leen Tanghe, Richard Milic
  • Patent number: 8197905
    Abstract: 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: Grant
    Filed: September 25, 2006
    Date of Patent: June 12, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Jozef Theresia Huybrechts, Leen Tanghe
  • Patent number: 7230112
    Abstract: 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: Grant
    Filed: October 7, 2004
    Date of Patent: June 12, 2007
    Assignee: E. I. duPont de Nemours and Company
    Inventors: Douglas J. Adelman, Neville Everton Drysdale, Christian Peter Lenges, Mark A. Scialdone, Leen Tanghe, Jozef Theresia Huybrechts, Laura Ann Lewin, Robert John Barsotti
  • Publication number: 20070082992
    Abstract: 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: Application
    Filed: September 25, 2006
    Publication date: April 12, 2007
    Inventors: Jozef Huybrechts, Leen Tanghe
  • Patent number: 7071286
    Abstract: 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: Grant
    Filed: December 2, 2003
    Date of Patent: July 4, 2006
    Assignee: E. I. duPont de Nemours and Company
    Inventors: Robert J. Barsotti, Jos Huybrechts, Leen Tanghe
  • Publication number: 20050222425
    Abstract: 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: Application
    Filed: October 7, 2004
    Publication date: October 6, 2005
    Inventors: Douglas Adelman, Neville Drysdale, Christian Lenges, Mark Scialdone, Leen Tanghe, Jozef Huybrechts, Laura Lewin, Robert Barsotti
  • Patent number: 6902820
    Abstract: 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: Grant
    Filed: September 25, 2003
    Date of Patent: June 7, 2005
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Jos Huybrechts, Ann Vaes, Lieve Bastin, Leen Tanghe
  • Publication number: 20050119443
    Abstract: 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: Application
    Filed: December 2, 2003
    Publication date: June 2, 2005
    Inventors: Robert Barsotti, Jos Huybrechts, Leen Tanghe
  • Publication number: 20040116645
    Abstract: Coating compositions comprising:
    Type: Application
    Filed: September 25, 2003
    Publication date: June 17, 2004
    Inventors: Jos Huybrechts, Ann Vaes, Lieve Bastin, Leen Tanghe