Patents by Inventor Carmen Flosbach

Carmen Flosbach 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: 8518173
    Abstract: A liquid coating composition comprising a resin solids content comprising (i) a binder solids content comprising at least one hydroxyl-functional binder A and 0.5 to less than 5 wt. % of at least one polyurethane resin B with functional groups selected from the group consisting of hydroxyl groups, free isocyanate groups and blocked isocyanate groups and (ii) at least one cross-linker C, wherein the at least one polyurethane resin B is present as particles having a melting temperature of 40 to 200° C.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: August 27, 2013
    Inventors: Carmen Flosbach, Olaf Ley, Tanja Renkes
  • Publication number: 20130022749
    Abstract: A liquid coating composition which contains (i) a resin system crosslinkable under catalysis of a catalyst D and comprising a binder A and, as an optional component, a crosslinker B for the binder A, and (ii) solid particles CD consisting of a physical mixture of 70 to 99 wt.-% of a polyurethane resin C and 1 to 30 wt.-% of a catalyst D immobilized in said polyurethane resin C, wherein the sum of the wt.-% totals 100 wt.-%, and wherein the polyurethane resin C has a melting temperature of 40 to 180° C., measured by DSC at a heating rate of 10 K/min.
    Type: Application
    Filed: May 5, 2011
    Publication date: January 24, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Carmen Flosbach, Gerhard Friederichs
  • Publication number: 20130004672
    Abstract: A tin-containing polyurethane resin having a melting temperature of 40 to 180° C., measured by DSC at a heating rate of 10 K/min and prepared by carrying out a condensation reaction between a diorganotin compound and carboxyl groups of a carboxyl-functional polyurethane resin, wherein the molar ratio between the tin and the carboxyl groups is 1:2-20; and liquid coating compositions containing solid particles of the tin-containing polyurethane resin.
    Type: Application
    Filed: May 5, 2011
    Publication date: January 3, 2013
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Carmen Flosbach
  • Publication number: 20120308730
    Abstract: A liquid coating composition containing a crosslinkable binder A, as an optional component a crosslinker B for the binder A, and a latent catalyst C, wherein C is a carboxyl-functional resin which is present in the liquid coating composition as particles having a melting temperature of 40 to 180° C., measured by DSC at a heating rate of 10 K/min.
    Type: Application
    Filed: February 11, 2011
    Publication date: December 6, 2012
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Tanja Renkes, Carmen Flosbach
  • Publication number: 20120276296
    Abstract: The present invention relates to water-based coating composition comprising A) at least one water-dilutable polyurethane binder, B) optionally at least one curing agent, and C) at least one pigment, characterised in that the at least one water-dilutable polyurethane binder is based on at least one polyhydroxyl compound, said polyhydroxyl compound comprises at least 50% by weight of at least one polycarbonate polyol, which is liquid at 20° C., the % by weight are based on the total amount of the polyhydroxyl compound. The invention also relates to the use of the water-based coating composition as base coat composition in a multilayer coating comprising a layer of a base coat composition and a layer of clear coat composition thereon. The water-based coating composition can be used as colour- and/or special effect imparting base coat composition in a multilayer coating comprising a layer of a base coat composition and a layer of a clear coat composition thereon.
    Type: Application
    Filed: December 20, 2010
    Publication date: November 1, 2012
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Andreas Fieberg, Carmen Flosbach, Paul P. Bruylants, Jozef Theresia Huybrechts
  • Publication number: 20120101188
    Abstract: The invention relates to a coating composition comprising: A) at least one thiol-functional compound having at least one thiol group, B) at least one polyisocyanate cross-linking agent with at least one free isocyanate group and C) at least one catalyst compound, said catalyst compound comprising at least one catalyst for the curing reaction between the thiol groups of component A and the free isocyanate groups of component B, and at least one cyclodextrine.
    Type: Application
    Filed: April 29, 2010
    Publication date: April 26, 2012
    Applicant: E.I DU PONT DE NEMOURS AND COMPANY
    Inventors: Carmen Flosbach, Stefanie Matten, Katharina Dreger
  • Publication number: 20110305843
    Abstract: A coating process wherein a precoated automotive substrate is OEM top coated with an aqueous two-component polyurethane top coating composition prepared by static mixing a non-aqueous hydrophobic polyisocyanate crosslinker component and an aqueous binder component having a binder solids content comprising at least one water-dilutable hydroxyl-functional binder and 5 to 30 wt.-% of a urethane compound A with at least two terminal urethane groups (—NHC(O)OR; R hydrocarbyl residue of a monoalcohol) and having a number-average molar mass (Mn) of from 400 to 5,000.
    Type: Application
    Filed: March 1, 2010
    Publication date: December 15, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Carmen Flosbach, Katharina Dreger, Fabian Koehn, Bernd Schneider
  • Publication number: 20110293842
    Abstract: The invention relates to a water-based coating composition comprising: A) at least one cross-linkable compound having at least one functional group containing active hydrogen, B) at least one polyisocyanate cross-linking agent with free isocyanate groups, C) at least one catalyst compound, said catalyst compound comprising at least one catalyst for the curing reaction between the functional groups containing active hydrogen of component A and the isocyanate groups of component B, and at least one cyclodextrine.
    Type: Application
    Filed: April 29, 2010
    Publication date: December 1, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Carmen Flosbach, Stefanie Matten, Katharina Dreger
  • Publication number: 20110237742
    Abstract: The invention relates to two-component liquid coating composition comprising: A) at least one compound with functional groups reactive towards reactive functional groups of cross-linking agent B), B) at least one cross-linking agent with reactive functional groups and C) at least one catalyst compound having at least one urethane and/or at least one urea group and at least one tertiary amine group, said catalyst compound is present as particles having a melting temperature of 40 to 180° C.
    Type: Application
    Filed: September 28, 2009
    Publication date: September 29, 2011
    Applicant: E. E. DU PONT DE NEMOURS AND COMPANY
    Inventors: Carmen Flosbach, Engin Temeltas, Katharina Dreger
  • Publication number: 20110206858
    Abstract: The invention is directed to putty compositions curable by means of high energy radiation, comprising A) at least one compound capable of free-radical polymerization having at least one olefinic unsaturated group and B) at least one filler, the at least one filler or a mixture of fillers having a particle size distribution such that at most 8% by volume of the filler particles in relation to the total volume of fillers have a particle size of less than or equal to 1.9 ?m and can be used particularly in repair coating vehicle bodies and parts thereof.
    Type: Application
    Filed: August 8, 2007
    Publication date: August 25, 2011
    Inventors: Helmut Loeffler, Carmen Flosbach
  • Publication number: 20110200756
    Abstract: A liquid coating composition comprising a resin solids content comprising (i) a binder solids content comprising at least one hydroxyl-functional binder A and 0.5 to less than 5 wt. % of at least one polyurethane resin B with functional groups selected from the group consisting of hydroxyl groups, free isocyanate groups and blocked isocyanate groups and (ii) at least one cross-linker C, wherein the at least one polyurethane resin B is present as particles having a melting temperature of 40 to 200° C.
    Type: Application
    Filed: April 26, 2007
    Publication date: August 18, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Carmen Flosbach, Olaf Ley, Tanja Renkes
  • Patent number: 7976903
    Abstract: Non-aqueous, liquid coating compositions which contain at least one epoxy-functional binder A and at least one carboxyl-functional cross-linking resin B, wherein the at least one cross-linking resin B is present as particles having a melting temperature of 40 to 180° C.
    Type: Grant
    Filed: January 26, 2007
    Date of Patent: July 12, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Carmen Flosbach, Karl-Friedrich Doessel, Wiebke Becker
  • Publication number: 20110151264
    Abstract: The present invention refers to an aqueous coating composition comprising a binder combination A) comprising A1) and A2) wherein A1) comprises 60 to 90 wt % of at least one water-dilutable (meth)acrylate copolymer comprising; a) 10 to 80 wt % of at least one reaction product of a monoepoxyester and an unsaturated acid functional monomer, b) 0 to 40 wt % of at least one hydroxyl functional unsaturated monomer which is different from component a), c) 1 to 8 wt % of at least one unsaturated acid functional monomer, and d) 0 to 70 wt % of at least one other polymerisable unsaturated monomer, and A2) comprises 10 to 40 wt % of at least one water-dilutable epoxyester resin, and the awqueous coating composition further comprises B) at least one isocyanate compound as cross-linking agent.
    Type: Application
    Filed: November 9, 2010
    Publication date: June 23, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: CARMEN FLOSBACH, Andreas Fieberg, Katharina Dreger, Barbara Krempler
  • Patent number: 7960468
    Abstract: An aqueous coating composition, comprising A) at least one water-dilutable hydroxy-functional binder and B) at least one polyisocyanate crosslinking agent with free isocyanate groups, wherein component A) comprises A1) 40-95 wt. % of at least one water-dilutable hydroxy-functional (meth)acrylic copolymer with a hydroxyl value of 60-250 mg of KOH/g and an acid value of 5-50 mg of KOH/g, which is obtained by free-radical copolymerization performed in a non-aqueous phase, wherein the ratio of primary hydroxyl groups to secondary hydroxyl groups in the (meth)acrylate copolymer A1) is 1:0.1 to 1:1.2 and at least 80% of the secondary hydroxyl groups result from reaction products of a monoepoxy ester and an unsaturated acid-functional monomer, and A2) 5-60 wt. % of at least one water-dilutable polyester oligomer, wherein the total of the weight percentages of component A1) and A2) add up to 100 wt.
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: June 14, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Wiebke Becker, Volker Duecoffre, Carmen Flosbach, Birgit Kleuser
  • Publication number: 20110136972
    Abstract: The present invention provides a powder coating composition comprising at least one hydroxyl functional polyuretdione resin binder, wherein the at least one hydroxyl functional polyuretdione resin binder having a melting temperature of 60 to 180° C., in particular, 80 to 160° C. The powder coating composition according to the invention comprising the specific kind of the polyuretdione resin binder makes it possible to provide desired technological properties, in particular, thin films and high flexibility in combination with an excellent weather resistance of the coating layers.
    Type: Application
    Filed: September 3, 2009
    Publication date: June 9, 2011
    Inventors: Carmen Flosbach, Engin Temeltas, Kristina Iland
  • Patent number: 7910169
    Abstract: Non-aqueous, liquid coating compositions which contain at least one epoxy-functional polyurethane resin A and at least one carboxyl-functional cross-linking component B, wherein the at least one epoxy-functional polyurethane resin A is present as particles having a melting temperature of 40 to 180° C.
    Type: Grant
    Filed: February 13, 2007
    Date of Patent: March 22, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Carmen Flosbach
  • Publication number: 20110020554
    Abstract: Aqueous coating compositions with a resin solids consisting of 60 to 80 wt. % of binder solids and 20 to 40 wt. % of cross-linker solids, the binder solids consisting of 20 to 100 wt. % of binder C and 0 to 80 wt. % of one or more further binders and the cross-linker solids consisting of 80 to 100 wt. % of one or more aminoplast resins and 0 to 20 wt. % of one or more further cross-linkers, the sum of the respective wt. % equalling 100 wt. % and the binder C being produced by reacting a polyisocyanate A partially blocked by one or more monoalcohols A2 and having a content of free isocyanate groups of 0.5 to 10 wt. % with a resin B comprising a hydroxyl number of 50 to 250 mg KOH/g and a carboxyl number of 10 to 50 mg KOH/g at a molar ratio of hydroxyl groups of B to free isocyanate groups of A of at least 2:1.
    Type: Application
    Filed: March 16, 2009
    Publication date: January 27, 2011
    Inventors: Ralf Dahm, Katharina Dreger, Carmen Flosbach
  • Publication number: 20100305267
    Abstract: A process for the preparation of powder coating compositions, which (i) comprise a binder and at least one additive, the process comprising the synthesis of the binder in a reactor and the at least one additive being added to the starting materials used for synthesis of the binder and/or added to the still stirrable reactor contents before discharging the reactor contents from the reactor, or (ii) comprise a binder, a crosslinker and at least one additive, the process comprising the synthesis of the crosslinker in a reactor and the binder and the at least one additive being added to the starting materials used for synthesis of the crosslinker and/or added to the still stirrable reactor contents before discharging the reactor contents from the reactor.
    Type: Application
    Filed: October 30, 2008
    Publication date: December 2, 2010
    Applicant: E.I. Du Pont De Nemours and Company
    Inventors: Carmen Flosbach, Stefanie Matten, Thomas Tuerk
  • Publication number: 20100279016
    Abstract: The invention relates to a process for painting substrates comprising the following steps: 1. applying a coating composition to an optionally pre-coated substrate and 2. hardening the applied coating composition, wherein the coating composition comprises: A) at least one binder having functional groups containing active hydrogen, B) at least one polyisocyanate cross-linking agent having free isocyanate groups and C) at least one urethane compound having at least two —O—CO—NH— groups, wherein the urethane compound is substantially free from functional groups which are capable of entering into a cross-linking reaction with components A) and/or B) and wherein the hardening is carried out under conditions such that the component C) does not contribute to the cross-linking of the applied coating composition by chemical reaction.
    Type: Application
    Filed: October 1, 2008
    Publication date: November 4, 2010
    Inventors: Carmen Flosbach, Andrew Hearley, Wiebke Becker, Juergen Stropp
  • Publication number: 20100280170
    Abstract: The present invention relates to isocyanate-curing two-component coating compositions containing urethane compounds having at least two —O—CO—NH-groups. The invention relates to coating compositions comprising A) at least one binder having functional groups containing active hydrogen, B) at least one polyisocyanate crosslinking agent having free isocyanate groups and C) at least one urethane compound having at least two —O—CO—NH-groups, wherein the urethane compound has a number-average molecular mass Mn of from 400 to 5,000 and is substantially free from functional groups which are capable of entering into a crosslinking reaction with components A) and/or B). Preferred urethane compounds C) are obtained by reacting polyisocyanate compounds with monohydroxy compounds.
    Type: Application
    Filed: October 1, 2008
    Publication date: November 4, 2010
    Inventors: Carmen Flosbach, Andrew Hearley, Wiebke Becker, Juergen Stropp