Patents Assigned to BASF Coating AG
  • Patent number: 6125774
    Abstract: A process for feeding solid industrial and special waste to combustion installations. The waste materials are separated from the combustion chamber by a lock system, are comminuted and homogenized in an inert-gas atmosphere.
    Type: Grant
    Filed: August 26, 1998
    Date of Patent: October 3, 2000
    Assignee: BASF Coatings AG
    Inventors: Kurt Kohler, Alfred Burger, Wilhelm Dinkelborg-Lucke, Heinz Bertich, Rolf Hetzelberger, Paul Kolberg, Karl Heinz Mohlmann, Michael Walterbusch
  • Patent number: 6120851
    Abstract: The present invention relates to a coating composition comprising(A) at least one hydroxyl-containing component which [lacuna] of(A1) from 5 to 60% by weight of at least one polyester and(A2) from 40 to 95% by weight of at least one polyacrylate resin which has been prepared at least partially in the presence of component (A1) and(B) at least one crosslinking agent, characterized in that component (A2) is obtainable from the monomer units:(a) a cycloaliphatic ester of (meth)acrylic acid,(b) a hydroxyl-containing alkyl ester of (meth)acrylic acid,(c) a monomer which is different from (a) and (b) and has at least two polymerizable, olefinically unsaturated double bonds,(d) optionally a further hydroxyl-containing, ethylenically unsaturated monomer which is different from (a), (b) and (c),(e) an aliphatic ester of (meth)acrylic acid which is different from (a), (b), (c) and (d),(f) a vinyl-aromatic hydrocarbon which is different from (a), (b), (c), (d) and (e), and(g) a further ethylenically unsaturated monomer
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: September 19, 2000
    Assignee: BASF Coatings AG
    Inventors: Harald Borgholte, Heinz-Peter Rink, Werner-Alfons Jung, Michael Brunnemann
  • Patent number: 6113988
    Abstract: The invention relates to coating compositions comprising:(A) from 5 to 60% by weight of at least one polyester-modified polyacrylate resin consisting of:(a1) from 20 to 60% by weight of at least one polyester and(a2) from 40 to 80% by weight of at least one hydroxyl-containing polyacrylate resin which has been prepared at least in part in the presence of component (a1),(B) from 1 to 35% by weight of at least one hydroxyl-containing, siloxane-modified polyacrylate resin, and(C) from 5 to 50% by weight of an isocyanate crosslinking agent,and to a process for the production of a protective and/or decorative coating with such coating compositions, and to their use as topcoats and refinish coating materials.
    Type: Grant
    Filed: April 30, 1998
    Date of Patent: September 5, 2000
    Assignee: BASF Coatings Ag
    Inventors: Harald Borgholte, Olaf Hallmann
  • Patent number: 6099912
    Abstract: The present invention relates to a coating composition comprising at least one hydroxyl-containing polyacrylate resin as binder component (A) and at least one crosslinking agent (B),component (A) being obtainable by free-radical polymerization of:(a) from 5 to 80% by weight of at least one cycloaliphatic ester of (meth)acrylic acid,(b) from 10 to 50% by weight of at least one hydroxyl-containing alkyl ester of (meth)acrylic acid,(c) from 1 to 25% by weight of at least one monomer having at least two polymerizable, olefinically unsaturated double bonds,(d) from 0 to 25% by weight of at least one further hydroxyl-containing monomer,(e) from 5 to 80% by weight of at least one aliphatic ester of (meth)acrylic acid,(f) from 0 to 40% by weight of at least one vinyl-aromatic compound, and(g) from 0 to 40% by weight of at least one further monomer,the sum of the proportions by weight of all monomers (a) to (g) always being 100% by weight.
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: August 8, 2000
    Assignee: BASF Coatings AG
    Inventors: Harald Borgholte, Heinz-Peter Rink, Werner-Alfons Jung, Michael Brunnemann
  • Patent number: 6100316
    Abstract: The invention relates to radiation-curable coating materials which compriseA a synthetic resin containing from 1.5 to 5 mol/kg, preferably from 3.6 to 4.5 mol/kg, of ethylenically unsaturated double bonds of which not more than 10% are vinyl groups, or a mixture of such synthetic resins, andB a compound of the general formula Ar--O--R.sub.1 --O--CO--CR.sub.2 .dbd.CH.sub.2, where Ar is an optionally substituted aryl radical, R.sub.1 is an alkylene radical having 1 to 6 carbon atoms and R.sub.2 is a hydrogen atom or an alkyl radical having 1 to 3 carbon atoms, or a mixture of such compounds,from 10 to 70% by weight of the total quantity of A and B comprising component A and from 30 to 90% by weight of the total quantity of A and B comprising component B.
    Type: Grant
    Filed: January 6, 1997
    Date of Patent: August 8, 2000
    Assignee: BASF Coatings AG
    Inventor: Martin Lobert
  • Patent number: 6096807
    Abstract: Powder coating, process for the exterior coating of metal pipes, and use of the powder coating for the single-layer exterior coating of metal pipes. The powder coating comprises epoxy resins, phenolic crosslinking agents, catalysts, fillers and additives. The fillers used are crystalline silicic acids modified with glycidyl groups. The invention also relates to a process for the exterior coating of metal pipes and to use of the coatings for a single layer exterior coating of metal pipes.
    Type: Grant
    Filed: February 7, 1996
    Date of Patent: August 1, 2000
    Assignee: BASF Coatings AG
    Inventors: Werner Blomer, Udo Reiter, Josef Rademacher
  • Patent number: 6093754
    Abstract: The invention relates to a process for the preparation of articles with a three-dimensional surface structure, in which a substrate is printed, at least one of the printing inks employed for the printing being varnish-repellent, and the printed substrate is then varnished. In accordance with the invention, the printed substrate is varnished with a radiation-curable varnish which contains no amino resin and comprisesA) from 18 to 99.9% by weight of an epoxy acrylate, a polyether acrylate or a polyester acrylate,B) from 0.1 to 5.0% by weight of a Bronsted acid or an acid anhydride,C) from 0 [sic] to 12% by weight of a photoinitiator,D) from 0 to 40% by weight of water or at least one organic solvent,E) from 0 [sic] to 10% by weight of a polyol which may be ethoxylated and/or propoxylated and has from 2 to 50 carbon atoms in the molecule, andF) from 0 [sic] to 30% by weight of other auxiliaries and additives,and the varnish coat applied is cured with high-energy radiation.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: July 25, 2000
    Assignee: BASF Coatings AG
    Inventors: Siegfried Lambert, Karlheinz Dickerhof, Wolfgang Kranig
  • Patent number: 6093497
    Abstract: A description is given of a process for preparing a multilayer coating on a substrate surface, in which(A) an aqueous coating composition (ii) containing as film-forming agent an aqueous polymer dispersion is applied as basecoat (II) to a substrate surface coated with an aqueous basecoat (i),(B) the composition applied in step (A) is subjected to partial drying,(C) an appropriate transparent topcoat composition is applied to the basecoat (II) thus obtained, and(D) the basecoats (I) and (II) are baked together with the topcoat,wherein the basecoat composition (II) contains an aqueous polymer dispersion comprising(x) an acrylate polymer based on from 30 to 60% by weight of C.sub.1 -C.sub.8 -alkyl (meth)acrylate monomers, from 30 to 60% by weight of vinyl-aromatic monomers and from 0.5 to 10% by weight of (meth)acrylic acid, and(y) a thickener, which does not have an associative effect, containing an acrylate copolymer based on (C.sub.1 -C.sub.6)-alkyl (meth)acrylate and (meth)acrylic acid.
    Type: Grant
    Filed: August 21, 1998
    Date of Patent: July 25, 2000
    Assignee: BASF Coatings AG
    Inventors: Gudrun Wiemann, Lutz Gross, Gotz-Ekkehard Sapper, Joachim Woltering
  • Patent number: 6083336
    Abstract: Apparatus for coating metal sheets with plastic film, consisting of a sequential arrangement of metal sheet feed (1), oven (3), film feeding unit (4), corona stations (9), laminating rolls (10), texturing or smoothing rolls (7) and printing mechanism (8).
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: July 4, 2000
    Assignee: BASF Coatings AG
    Inventor: Leonidas Kiriazis
  • Patent number: 6063230
    Abstract: The invention relates to substrates coated with two or more coats, which coated substrates are characterized in that they can be produced byA laminating a plastic film having a thickness of from 2 to 500 .mu.m onto the surface of the substrate,B coating the surface of the plastics film which is applied by lamination, if desired, with a filler composition which is suitable for the coating of automobile bodies,C coating the surface of the plastics film applied by lamination or, respectively, the filler coat obtained after carrying out step B with at least one pigmented coat of paint,D coating, if desired, the coat of paint obtained after carrying out step C with a transparent coating material, andE curing the coat or coats of paint applied to the surface of the plastics film which is applied by lamination.
    Type: Grant
    Filed: January 8, 1997
    Date of Patent: May 16, 2000
    Assignee: BASF Coatings AG
    Inventors: Egon Wegner, Leonidas Kiriazis
  • Patent number: 6057418
    Abstract: The present invention relates to a water-dilutable polyester comprisinga) at least 25 mol-% of cycloaliphatic structural units, preferably from 30 to 50 mol-%,b) up to 20 mol-% of aromatic structural units, preferably from 10 to 15 mol-%,c) at least 30 mol-%, preferably from 35 to 50 mol-%, of aliphatic diols having a number of carbon atoms .gtoreq.4, andd) at least 20 mol-%, preferably from 25 to 40 mol-%, of polyols containing branched aliphatic chains.
    Type: Grant
    Filed: October 10, 1996
    Date of Patent: May 2, 2000
    Assignee: BASF Coatings AG
    Inventors: Michael Hartung, Jorg Budde, Ulrich Poth
  • Patent number: 6037053
    Abstract: The present invention relates to films for coating molding blanks, wherein the surface of a pigmented plastic base film having a thickness of from 10 to 500 .mu.m is coated if desired with an affect coat, if desired with a transparent varnish coat or with a transparent plastic film.
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: March 14, 2000
    Assignee: BASF Coatings AG
    Inventors: Leonidas Kiriazis, Egon Wegner
  • Patent number: 6025031
    Abstract: The present invention relates to a coating composition consisting of at least three components (I), (II) and (III), component (I) containing as binder (A) at least one acrylate copolymer (A1) which is dispersed or dissolved in organic, optionally water-dilutable solvent and/or one polyester resin (A2) which is dispersed or dissolved in organic, optionally water-dilutable solvent and/or one polyurethane resin (A3) which is dispersed or dissolved in organic, optionally water-dilutable solvent and/or optionally a further binder (A4),component (II) contains at least one nonblocked polyisocyanate as crosslinking agent, andcomponent (III) contains as constituent essential to the invention an aqueous dispersion, prepared in a single- or multistage method, of a hydrophilicized polymer resin HP based on a hydrophobic polymer resin HP' and also, if desired, contains components (A1) and/or (A2) and/or (A3) and/or (A4) in aqueous dispersion.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: February 15, 2000
    Assignee: BASF Coatings AG
    Inventors: Bernhard Lettmann, Heinz-Peter Rink, Bernd Mayer, Egbert Nienhaus, Sunitha Grandhee
  • Patent number: 6025433
    Abstract: To offer thermosetting paint compositions resistant to yellowing to brass, which give paint films of excellent resistance to yellowing due to brass, low-temperature curability, weather resistance, resistance to yellowing after stoving, acid resistance, scratch resistance, solvent resistance, adhesion and appearance. Thermosetting paint compositions, which are thermosetting paint compositions which are resistant to yellowing due to brass, characterized in that the paint-film-forming components include (A) a compound which has per molecule at least 2 functional groups which can react with an isocyanate group, at 49.6-90 wt %, (B) a blocked isocyanate which has par molecule at least 2 isocyanate groups blocked by an azole blocking agent, at 9.6-50 wt %, (C) an ultraviolet absorber and/or free radical scavenger, at 0.2-5 wt %, (D) an organotin compound at 0.1-3 wt %, and (E) an amino resin at 0.1-30 wt %.
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: February 15, 2000
    Assignee: BASF Coatings AG
    Inventors: Kishio Shibatoh, Souichi Mori, Yasuhiro Monma
  • Patent number: 6022918
    Abstract: The present invention relates to a wire enamel formulation comprising components which are known per se and an internal lubricant consisting of a polyethylene wax, preferably having a molecular mass of from 3000 to 6000 g/mol, and a wetting agent, preferably fatty alcohol ethoxylate.
    Type: Grant
    Filed: January 13, 1998
    Date of Patent: February 8, 2000
    Assignee: BASF Coatings AG
    Inventors: Klaus-Wilhelm Lienert, Irmgart Gebert, Helmut Lehmann, Michael W. Muller
  • Patent number: 6013739
    Abstract: The present invention provides a coating composition and a process for producing a multicoat finish therefrom. The coating composition has a binder component obtained by polymerizing: (a) from 10 to 51% by weight of a mixture of hydroxy n-butyl (meth)acrylate(s) and hydroxy n-propyl (meth)acrylate(s), (b) from 0 to 20% by weight of at least one further hydroxyl group-containing monomer, (c) from 28 to 85% by weight of at least one (cyclo)aliphatic (meth)acrylic acid ester, (d) from 0 to 25% by weight of at least one aromatic vinyl compound, (e) from 0 to 5% by weight of at least one unsaturated carboxylic acid, and (f) from 0 to 20% by weight of further monomers, to give a polyacrylate resin having a hydroxyl number of from 60 to 200, an acid number of from 0 to 35, and an Mn of from 1000 to 5000.
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: January 11, 2000
    Assignee: BASF Coatings AG
    Inventors: Heinz-Peter Rink, Michael Brunnemann, Ulrike Rockrath
  • Patent number: 6001915
    Abstract: The present invention relates to a polyurethane-modified polyacrylate which is obtainableI. by polymerization with the additiona1) of an essentially carboxyl-free acrylate or of a mixture of acrylates,a2) of an ethylenically unsaturated monomer which carries at least one hydroxyl group per molecule and is essentially carboxyl-free or of a mixture of such monomers, anda3) of an essentially carboxyl-free, ethylenically unsaturated monomer which is different from (a1) and (a2), or of a mixture of such monomers,to give a polyurethane solution which contains no copoly-merizable double bonds,II. by subsequent further polymerization and additionb1) of at least one ethylenically unsaturated monomer which carries one carboxyl group per molecule, or of a mixture of such monomers, andb2) of an essentially carboxyl-free, ethylenically unsaturated monomer, or of a mixture of such monomers,after the monomers added in step I have been almost completely reacted, andIII.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: December 14, 1999
    Assignee: BASF Coating AG
    Inventors: Stephan Schwarte, Egon Wegner, Gerhard Reusmann, Cornelia Petri-Huber
  • Patent number: 6001947
    Abstract: The present invention relates to a coating composition comprising(A) at least one hydroxyl-containing polyacrylate resin,(B) at least one isocyanate crosslinking agent and, if desired,(C) at least one hydroxyl-containing polyester-modified polyacrylate resin,wherein the polyacrylate resin (A) is obtainable by polymerizing(a1) at least one essentially carboxyl-free (meth)acrylic ester,(a2) at least one copolymerizable, hydroxyl-containing monomer which is different from (a3)(a3) at least one reaction product of acrylic acid and/or methacrylic acid with the glycidyl ester of an .alpha.-branched monocarboxylic acid having 5 to 18 carbon atoms per molecule,(a4) if desired, an [sic] at least one carboxyl-containing monomer,(a5) at least one polysiloxane macromonomer having a number-average molecular weight of from 1000 to 40,000 and on average from 0.5 to 2.5 ethylenically unsaturated double bonds per molecule or having on average from 0.5 to 2.
    Type: Grant
    Filed: February 4, 1998
    Date of Patent: December 14, 1999
    Assignee: BASF Coatings AG
    Inventors: Michael Brunnemann, Harald Borgholte, Peter Hoffmann, Olaf Hallmann, Bernhard Rubbert
  • Patent number: 5989715
    Abstract: The present invention relates to a layer product consisting of thermoplastic polyurethane which is stabilized against ultraviolet radiation and is based on diisocyanates, diols as chain extenders, polytetrahydrofuran or linear polyesterdiols.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: November 23, 1999
    Assignee: BASF Coatings AG
    Inventors: Leonidas Kiriazis, Frank Prissok, Karl-Heinz Dickerhof
  • Patent number: 5990219
    Abstract: To obtain a colored metallic paint with which a colored metallic paint film which has excellent features and with which a change in color is produced according to differences in the viewing angle can be formed using the usual cheap pigments without compounding special glitter materials. The present invention provides a paint composition which contains, per 100 parts by weight of a film forming binder (A), from 0.1 to 15 parts by weight of metallic powder (B), from 0.1 to 10 parts by weight of a first colored pigment (C) of primary particle size from 0.01 to 0.2 .mu.m which is selected from among the group comprising the phthalocyanine, perylene, indanthrone, azomethine, benzimidazolone, quinacridone, anthraquinone, diketopyrolopyrrole and dioxazine based pigments, and from 0.5 to 50 parts by weight of a second colored pigment (D) of primary particle size from 0.1 to 2 .mu.
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: November 23, 1999
    Assignee: BASF Coatings AG
    Inventors: Naoya Sakai, Eiji Fujimori, Shinichi Sakaniwa, Katsuaki Ishii