Patents Assigned to BASF Coatings AG
  • Patent number: 6927253
    Abstract: Powder clearcoat dispersions (powder slurry clearcoats) preparable by adding a secondary (meth)acrylate copolymer dispersion in liquid and/or powder form to a powder slurry during and/or after its preparation; and the use thereof for producing clearcoat finishes, especially as part of multicoat color and/or effect finishes.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: August 9, 2005
    Assignee: BASF Coatings AG
    Inventors: Walter Lassmann, Heinz-Peter Rink, Horst Hintze-Brüning, Klaus-Dieter Stegmann
  • Patent number: 6916878
    Abstract: Aqueous dispersions entirely or substantially free from volatile organic compounds, comprising (A) at least one block copolymer preparable by two-stage or multistage free-radical copolymerization in an aqueous medium of a) at least one olefinically unsaturated monomer selected from the group consisting of hydrophilic and hydrophobic olefinically unsaturated monomers, and b) at least one olefinically unsaturated monomer different than the olefinically unsaturated monomer (a) and of the general formula I R1R2C?CR3R4??(I) in which the radicals R1, R2, R3 and R4 each independently of one another are hydrogen atoms or substituted or unsubstituted alkyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, aryl, alkylaryl, cycloalkylaryl, arylalkyl or arylcycloalkyl radicals, with the proviso that at least two of the variables R1, R2, R3 and R4 are substituted or unsubstituted aryl, arylalkyl or arylcycloalkyl radicals, especially substituted or unsubstituted aryl radicals; and (B) hydrophilic nanoparticles; ?p
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: July 12, 2005
    Assignee: BASF Coatings AG
    Inventors: Wolfgang Bremser, Hans-Peter Steiner, Frank Strickmann
  • Patent number: 6902810
    Abstract: A multicoat system comprising (I) at least one constituent (IA) comprising mesomorphic polyelectrolyte complexes prepared by reacting, in a liquid phase (IB), at least one polymeric and/or oligomeric, organic, anionic polyelectrolytes (IC) with at least one polymeric and/or oligomeric, organic, cationic polyelectrolytes (ID) and/or at least one cationic surfactant (IE) or at least one polymeric and/or oligomeric, organic, cationic polyelectrolytes (ID) with at least one anionic surfactant (IF) in a stoichiometric or non-stoichiometric ratio, pouring the resulting liquid phase (IG) onto a substrate or into a mold and allowing it to solidify, and heat-treating the resulting solid (IH); and (II) at least one coat (IIA), which is three-dimensionally crosslinked, prepared by applying at least one aqueous, thermally curable coating material (IIB) comprising at least one binder (IIC) and at least one crosslinking agent (IID), to the surface of the constituent (IA), and thermally curing the resulting wet film (IIE
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: June 7, 2005
    Assignee: BASF Coatings AG
    Inventors: Beate Podlaski-Pyzik, Astrid Halfmann, Wolfgang Bremser
  • Patent number: 6903145
    Abstract: A process for preparing a multicomponent system curable thermally and with actinic radiation (dual cure), where (A) at least one component comprising at least one constituent (A1) containing per molecule at least two isocyanate-reactive functional groups, and (B) one component containing one polyisocyanate (B1), are mixed with one another, which comprises mixing component (A) and/or component (B), shortly before their mixing, with one further liquid component (C) comprising (C1) one constituent which is curable with actinic radiation and contains per molecule at least two functional groups which contain bond which can be activated with actinic radiation, and/or (C2) one constituent which is curable thermally and with actinic radiation and contains per molecule at least one functional group which contains at least one bond which can be activated with actinic radiation, and containing per molecule at least one isocyanate-reactive functional group or containing at least one isocyanate group, and subsequently mi
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: June 7, 2005
    Assignee: BASF Coatings AG
    Inventors: Egbert Nienhaus, Bernhard Lettmann
  • Patent number: 6900260
    Abstract: Use of associative thickeners based on polyurethane and/or dipropylene glycol monoalkyl ethers for suppressing defects in color and/or effect multicoat paint systems, or their touch-up paints.
    Type: Grant
    Filed: August 31, 2000
    Date of Patent: May 31, 2005
    Assignee: BASF Coatings AG
    Inventors: Ines Mangels, Karl-Heinz Josten, Udo Nenner, Egon Wegner, Ekkehard Sapper, Nicola Zarse
  • Patent number: 6887526
    Abstract: A process for painting integrated automobile and commercial vehicle bodies or cabins which comprise plastic parts. The metal parts of the body/cabin are provided with an electrocoat and are integrated with the plastic parts. These plastic parts either already have an electrically conductive aqueous primer coat or an uncured electrically conductive aqueous primer film or are unpainted. Primers are applied to the metal and plastic parts. Atop the primers, a basecoat and a clearcoat are applied.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: May 3, 2005
    Assignee: BASF Coatings AG
    Inventors: Klaus Arlt, Bernd Mayer, Franz-Josef Wylegalla, Norbert Zdahl
  • Patent number: 6884839
    Abstract: Aqueous primary dispersions and coating materials comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core shell particles having a diameter?500 nm preparable by controlled free-radical microemulsion or miniemulsion polymerization of A) at least one olefinically unsaturated monomer and B) at least one olefinically unsaturated monomer which is different than the olefinically unsaturated monomer (A) and has the general formula I: R1R2C?CR3R4 (I), in which the radicals R1, R2, R3 and R4 independently of one another are hydrogen atoms or substituted or unsubstituted alkyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, aryl, alkylaryl, cycloalkylaryl, arylalkyl or arylcycloalkyl radicals, with the proviso that at least two of the variables R1, R2, R3 and R4 are substituted or unsubstituted aryl, arylalkyl or arylcycloalkyl radicals, especially substituted or unsubstituted aryl radicals; and in the presence of (C) at least one hydrophobic cross-linking agent for the
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: April 26, 2005
    Assignee: BASF Coatings AG
    Inventors: Maximilian Bendix, Reinhold Clauss, Ralf Nickolaus, Wolfgang Bremser
  • Patent number: 6878841
    Abstract: Positionally isomeric diethyloctanediol dicarbamates and diethyloctanediol diallophanates, processes for preparing them, and their use as synthesis building blocks and constituents of adhesives, sealing compounds, and coating materials.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: April 12, 2005
    Assignee: BASF Coatings AG
    Inventors: Heinz-Peter Rink, Jochem Henkelmann, Werner-Alfons Jung, Paul J. Harris, Swaminathan Ramesh
  • Patent number: 6872765
    Abstract: 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: Grant
    Filed: March 6, 2000
    Date of Patent: March 29, 2005
    Assignee: BASF Coatings AG
    Inventors: Peter Betz, Horst Hintze-Brüning, Wilfried Stübbe, Heinz-Peter Rink
  • Patent number: 6855785
    Abstract: A heat-curable composition comprising (I) at least one constituent whose molecule comprises on average (A) at least one functional group containing at least one bond which may be activated by means of heat and/or actinic radiation, and/or (B) at least one reactive functional group which is able to undergo thermal crosslinking reactions with groups of its own kind and/or with complementary reactive functional groups, with the proviso that there are always groups (A) and (B) in the composition; said constituent excluding the polyurethane dispersion synthesized from aliphatic polyisocyanates, compounds containing isocyanate-reactive functional groups and containing bonds that may be activated with actinic radiation, low molecular mass aliphatic compounds containing isocyanate-reactive functional groups, compounds containing isocyanate-reactive functional groups and dispersing functional groups, neutralizing agents for the dispersing functional groups, blocking agents for isocyanate groups, and/or compounds c
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: February 15, 2005
    Assignee: BASF Coatings AG
    Inventors: Hubert Baumgart, Uwe Meisenburg, Karl-Heinz Joost
  • Patent number: 6852821
    Abstract: Aqueous primary dispersions and coating materials comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core-shell particles having a diameter?500 nm preparable by controlled free-radical microemulsion or miniemulsion polymerization of A) at least one olefinically unsaturated monomer and B) at least one olefinically unsaturated monomer which is different than the olefinically unsaturated monomer (A) and has the general formula I: R1R2C?CR3R4 (I), in which the radicals R1, R2, R3 and R4 independently of one another are hydrogen atoms or substituted or unsubstituted alkyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, aryl, alkylaryl, cycloalkylaryl, arylalkyl or arylcycloalkyl radicals, with the proviso that at least two of the variables R1, R2, R3 and R4 are substituted or unsubstituted aryl, arylalkyl or arylcycloalkyl radicals, especially substituted or unsubstituted aryl radicals; and also their use.
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: February 8, 2005
    Assignee: BASF Coatings AG
    Inventors: Maximilian Bendix, Wolfgang Bremser, David Christie
  • Patent number: 6852824
    Abstract: A hydrophilic or hydrophobic polyurethane having at least one olefinically unsaturated group selected from the group consisting of pendant olefinically unsaturated groups, terminal olefinically unsaturated groups, and mixtures thereo wherein the pendant olefinically unsaturated groups are sele consisting of pendant olefinically unsaturated groups which are attached to a cycloaliphatic group which represents a link in the polymer main chain and pendant olefinically unsaturated groups which are present as a double bond in a cycloolefinic group which constitutes a link in the polymer main chain, and the terminal olefinically unsaturated groups are selected from the group consisting of terminal olefinically unsaturated groups which are attached to a cycloaliphatic group which forms an endgroup of the polymer main chain and terminal olefinically unsaturated groups which are present as a double bond in a cycloolefinic structure which forms en endgroup of the polymer main chain.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: February 8, 2005
    Assignee: BASF Coatings AG
    Inventors: Stephan Schwarte, Egon Wegner
  • Patent number: 6828381
    Abstract: 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: Grant
    Filed: February 12, 2002
    Date of Patent: December 7, 2004
    Assignee: BASF Coatings AG
    Inventors: Manuela Armbrust, Wolfgang Bremser, Horst Hintze-Brüning, Wilfried Stübbe, Peter Betz, Christel Ehlig
  • Patent number: 6822044
    Abstract: The use of a copolymer (A) preparable by free-radical polymerization of a) at least one olefinically unsaturated monomer and b) at least one olefinically unsaturated monomer different than the olefinically unsaturated monomer (a) and of the general formula I R1R2C═CR3R4  (I)  in which the radicals R1, R2, R3 and R4 each independently of one another are hydrogen atoms or substituted or unsubstituted alkyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, aryl, alkylaryl, cycloalkylaryl, arylalkyl or arylcycloalkyl radicals, with the proviso that at least two of the variables R1, R2, R3 and are substituted or unsubstituted aryl, arylalkyl or arylcycloalkyl radicals, especially substituted or unsubstituted aryl radicals; in an aqueous medium, in a clearcoat material used to produce clearcoats KL and multicoat color and/or effect coating systems ML.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: November 23, 2004
    Assignee: BASF Coatings AG
    Inventor: Wolfgang Bremser
  • Patent number: 6818303
    Abstract: Powder clearcoat dispersions (powder slurry clearcoats) preparable by dispersing a powder clearcoat in an aqueous medium and wet milling the resulting powder slurry, at least one adduct of ethylene oxide and/or propylene oxide with at least one glycol being added to the powder slurry prior to wet milling; and the use of the powder slurry clearcoats for producing clearcoat finishes, especially as part of multicoat color and/or effect finishes.
    Type: Grant
    Filed: November 19, 2002
    Date of Patent: November 16, 2004
    Assignee: BASF Coatings AG
    Inventors: Walter Lassmann, Horst Hintze-Brüning, Wolfgang Bremser, Ulrike Röckrath
  • Patent number: 6815081
    Abstract: A multicoat color and/or effect coating system ML for a primed or an unprimed substrate comprising—lying above one another—(1) a surfacer coat FL which absorbs mechanical energy, and (2) a color and/or effect topcoat DL, or (1) a surfacer coat FL which absorbs mechanical energy, (2) a color and/or effect basecoat BL, and (3) a clearcoat KL, or (1) a color and/or effect basecoat BL and (2) a clearcoat KL, wherein at least one coat, preferably at least two coats, and in particular all coats of the multicoat system ML has or have been produced from a coating material comprising at least one constituent (A) preparable by free-radical polymerization of a) olefinically unsaturated monomers and b) olefinically unsaturated monomers I different than the olefinically unsaturated monomers (a): R1R2C=CR3R4  (I),  in which the radicals R1, R2, R3 and R4 each independently of one another are hydrogen atoms or alkyl, cycloalkyl, alkylcycloalkyl, cycloalkyalkyl, aryl, alkylaryl, cycloalk
    Type: Grant
    Filed: March 20, 2002
    Date of Patent: November 9, 2004
    Assignee: BASF Coatings AG
    Inventor: Wolfgang Bremser
  • Patent number: 6815494
    Abstract: Aqueous coating material comprising (A) water-dispersible hydroxy-functional binder component containing urethane groups, (B) water-dispersible binder component containing urethane groups and blocked isocyanate groups, (C) water-dispersible amino resin, and optionally (D) water-dispersible hydroxy-functional polyester, the binder component (B) being preparable by (B1) preparing a polyurethane prepolymer containing isocyanate groups from at least one polyol and at least one polyisocyanate, (B2) reacting the polyurethane prepolymer (B1) containing isocyanate groups with a chain extender to give a hydroxyl-containing chain-extended polyurethane prepolymer, (B3) reacting the hydroxyl-containing chain-extended polyurethane prepolymer (B2) with at least one polyisocyanate to give a further polyurethane prepolymer containing isocyanate groups, and (B4) blocking some or all of the isocyanate groups of the chain-extended polyurethane prepolymer (B3) containing isocyanate groups with a blocking agent to give a polyuret
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: November 9, 2004
    Assignee: BASF Coatings AG
    Inventors: Georg Wigger, Ulrike Röckrath, Bärbel Wiatr, Marita Schilling, Ralf Stein
  • Patent number: 6803393
    Abstract: Multicomponent system curable thermally and with actinic radiation, comprising A) an isocyanate-reactive binder comprising A1) at least one unsaturated polyester whose molecule contains on average at least one group that can be activated with actinic radiation, of the formulae I, II and/or III wherein n is an integer from 1 to 10; and A2) at least one binder, different than (A1), whose molecule comprises on average at least two isocyanate-reactive functional groups, and/or A3) at least one binder, different than (A1), whose molecule comprises on average at least one isocyanate-reactive functional group and at least one reactive functional group having at least one bond that can be activated with actinic radiation, and B) a crosslinker comprising B1) at least one polyisocyanate and/or B2) at least one polyisocyanate whose molecule comprises on average at least one reactive functional group having at least one bond that can be activated with actinic radiation.
    Type: Grant
    Filed: December 11, 2002
    Date of Patent: October 12, 2004
    Assignee: BASF Coatings AG
    Inventors: Rainer Blum, Maxime Allard
  • Patent number: 6797761
    Abstract: Aqueous primary dispersions comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core-shell particles having a diameter≦500 nm, preparable by free-radical microemulsion or miniemulsion polymerization of at least one olefinically unsaturated monomer (A) in the presence of at least one polyhydroxy-functionalized cyclic and/or acyclic alkare having from 9 to 16 carbon atoms in the molecule, and their use in automotive OEM finishing and refinishing, in furniture coating and in industrial coating, including coil coating, container coating and the coating of electrical components.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: September 28, 2004
    Assignee: BASF Coatings AG
    Inventors: Maximilian Bendix, Heinz-Peter Rink
  • Patent number: 6797771
    Abstract: The invention concerns a novel aqueous composition that can be hardened physically, thermally and/or with actinic radiation, containing a compound of general formula (I): X[NH—C(═O)—NH—Y—NH—C(═O)—OR]2 having at least one urea and urethane group, wherein the variables have the following meaning: R represents identical or different polyalkylene glycol ether radicals; X represents a bivalent substituted or unsubstituted arylene radical; Y represents identical bivalent substituted or unsubstituted arylene radicals, which are the same as or different from radical X or different bivalent substituted or unsubstituted arylene radicals of which none or one is identical to radical X. The invention also concerns the utilization of said compound for the production of novel aqueous coating materials, adhesives and sealants that can be hardened physically, thermally or thermally and with actinic radiation and their derivatives.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: September 28, 2004
    Assignee: BASF Coatings AG
    Inventors: Ekkehard Sapper, Anne Hupp, Egon Wegner, Willi Vesper, Karl-Heinz Josten, Jörg Schwarz