Patents by Inventor Dieter Hille

Dieter Hille 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: 6043301
    Abstract: The invention relates to aqueous coating compositions comprising:an aqueous, polyester- and acrylate-based polymer dispersion obtainable by free-radical polymerization of at least:a. one (meth)acrylic acid ester;b. one ethylenically unsaturated, at least monofunctional acid; and optionallyc. one ethylenically unsaturated monomer other than (a) and (b)or mixtures thereof, with a poly ester resin capable of undergoing a free-radical polymerization;one amino resin as crosslinking agent,one water-soluble and/or water-emulsifiable polyalcohol and optionally conventional laquer additives.Furthermore, the invention relates to the use of these aqueous coating compositions as clear coats for the preparation of multi-layer coatings.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: March 28, 2000
    Inventors: Hans-Dieter Hille, Horst Muller
  • Patent number: 5977258
    Abstract: A microgel obtained by polymerizing in aqueous phase a monomer blend comprising at least one ethylenic monofunctional compound, selected from the group consisting of vinylic compounds, alkyl esters of acrylic or methacrylic acid, hydroxyalkyl (meth)acrylates and vinyl acetate, and at least one ethylenic di- or multifunctional compound, selected from the group consisting of diacrylates, triacrylates and/or (meth)acrylates of polyfunctional alcohols, in the presence of a polycondensation product of a polycarboxylic acid, polyhydroxycarboxylic acid, hydroxypolycarboxylic acid and/or polyhydroxypolycarboxylic acid with a polyol, and its use for aqueous or solvent-containing coating compositions, in particular for aqueous or solvent-containing base coats, effect base coats or clear coat systems in the motorcar industry.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: November 2, 1999
    Assignee: Bollig & Kemper KG
    Inventors: Hans-Dieter Hille, Stephan Neis, Horst Muller
  • Patent number: 5648410
    Abstract: The invention relates to an aqueous polyester- and acrylate-based polymer dispersion, obtainable by free radical-initiated polymerization of at least(a) one (meth)acrylic acid ester,(b) one ethylenically unsaturated, at least monofunctional acid, and optionally(c) one ethylenically unsaturated monomer other than (a) and (b),or mixtures thereof with a polyester resin capable of undergoing a free radical-initiated polymerization. The invention further relates to the production of these aqueous polymer dispersions, to aqueous clear coat compositions containing said dispersions, and to the use thereof.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 15, 1997
    Assignee: Bollig & Kemper KG
    Inventors: Hans Dieter Hille, Horst Muller
  • Patent number: 5512322
    Abstract: The invention relates to a basecoat/clearcoat process in which the basecoat composition used contains as a film former a polyurethane resin which can be prepared by preparing an intermediate from(A) a mixture obtained from 10 to 90 mol % of linear polyether diols and 90 to 10 mol % of polyester diols,(B) diisocyanates,(C) compounds which contain two groups reactive toward isocyanate groups, at least some of these compounds having at least one group capable of forming anions,and the free isocyanate groups of the said intermediate are then reacted with(D) polyols containing at least three hydroxyl groups, and the reaction product obtained in this manner is transferred into an aqueous base, whereina) the polyester diol is prepared from diols and an acid component which consists of 60 to 100% by weight of aliphatic dicarboxylic acids of more than 18 carbon atoms and of 40 to 0% by weight of aliphatic dicarboxylic acids of 2 to 18 carbon atoms,b) the equivalent ratio of the NCO groups to the total of the OH groups
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: April 30, 1996
    Assignee: BASF Lacke & Farben Akt.
    Inventors: Hans-Dieter Hille, Stefan C. Wieditz, Arnold Dobbelstein, Horst Muller
  • Patent number: 5460889
    Abstract: A coating composition comprises an alkyd resin based topcoat and a water dilutable coating comprising an epoxy resin-modified polyester binder which is water-dilutable upon base neutralization of the free carboxyl groups and is prepared by the reaction of (A) a polyester containing (cyclo)aliphatic groups having at least six carbon atoms derived from (a.sub.1) a polycarboxylic acid with at least three carboxyl groups and/or (a.sub.2) a polyol with at least one carboxyl group, (a.sub.3) a polycarboxylic acid with two carboxyl groups and (a.sub.4) a polyol; and (B) a bisphenol epoxide resin.
    Type: Grant
    Filed: January 10, 1995
    Date of Patent: October 24, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Lutz-Werner Gross, Ulrich Poth, Dieter Hille, Klaus Weidemeier
  • Patent number: 5412023
    Abstract: The invention relates to aqueous dispersions of cross-linked polymer microparticles, prepared in an aqueous medium from a polymer, optionally dissolved in an organic solvent, said polymer bearing at least two hydroxyl groups and comprising a number of ionic groups sufficient for the formation of a stable aqueous dispersion, as the component (A) and one further component (B) at an elevated temperature, characterized in that component (A) is a polyesterpolyol, a polyurethane or a polyacrylate having an acid value of from 5 to 168, and that component (B) is an aminoplast resin consisting of molecules containing at least two reactive groups consisting of hydroxyl and/or amino and/or ether groups, that the ratio by weight of component (A) to component (B) is between 30:70 and 95:5, and that the dispersion is stable and usable in water and/or an organic solvent or mixtures thereof.
    Type: Grant
    Filed: July 10, 1992
    Date of Patent: May 2, 1995
    Assignee: Bollig & Kemper KG
    Inventors: Hans-Dieter Hille, Matthias Massone
  • Patent number: 5380565
    Abstract: A substrate is spray coated with a composition containing an epoxy resin-modified polyester binder which is water-dilutable upon base neutralization of the free carboxyl groups and is prepared via the reaction of A) a polyester containing (cyclo)aliphatic groups having at least six carbon atoms derived from (a.sub.1) a polycarboxylic acid with at least three carboxyl groups and/or (a.sub.2) a polyol with at least one carboxyl group, and (a.sub.3) a polycarboxylic acid with two carboxyl groups and (a.sub.4) a polyol; and (B) a bisphenol epoxy resin.
    Type: Grant
    Filed: October 5, 1993
    Date of Patent: January 10, 1995
    Assignee: BASF L+F Aktiengesellschaft
    Inventors: Lutz-Werner Gross, Ulrich Poth, Dieter Hille, Klaus Weidemeier
  • Patent number: 5370910
    Abstract: The invention relates to a basecoat/clearcoat process in which the basecoat composition used contains as a film former a polyurethane resin which can be prepared by preparing an intermediate from(A) a mixture obtained from 10 to 90 mol % of linear polyether diols and 90 to 10 mol % of polyester diols,(B) diisocyanates,(C) compounds which contain two groups reactive toward isocyanate groups, at least some of these compounds having at least one group capable of forming anions, and the free isocyanate groups of the said intermediate are then reacted with(D) polyols containing at least three hydroxyl groups, and the reaction product obtained in this manner is transferred into an aqueous base, whereina) the polyester diol is prepared from diols and an acid component which consists of 60 to 100 % by weight of aliphatic dicarboxylic acids of more than 18 carbon atoms and of 40 to 0 % by weight of aliphatic dicarboxylic acids of 2 to 18 carbon atoms,b) the equivalent ratio of the NCO groups to the total of the OH gro
    Type: Grant
    Filed: February 26, 1992
    Date of Patent: December 6, 1994
    Assignee: BASF Lacke + Farben AG
    Inventors: Hans-Dieter Hille, Stefan C. Wieditz, Arnold Dobbelstein, deceased, Horst Muller
  • Patent number: 5272187
    Abstract: A water-dilutable coating comprising a binder obtained from an epoxide resin-modified polyester possessing free carboxyl groups prepared from the reaction of:A) a polyester polymerized from:a.sub.1) a polycarboxylic acid containing at least three carboxyl groups and/ora.sub.2) a polyol containing at least one carboxyl group anda.sub.3) a polycarboxylic acid containing two carboxyl groups anda.sub.4) a polyol, wherein the polyester contains (cyclo)aliphatic elements having at least six carbon atoms;B) from 0.3-1.5 equivalents per polyester molecule of a bisphenol epoxide resin or a reaction product thereof containing at least one epoxide group per molecule with a carboxylic acid; andC) a crosslinking agent.
    Type: Grant
    Filed: October 21, 1992
    Date of Patent: December 21, 1993
    Assignee: BASF Lacke & Farben AG
    Inventors: Lutz-Werner Gross, Ulrich Poth, Dieter Hille, Klaus Weidemeier
  • Patent number: 5210154
    Abstract: The invention relates to water-thinnable baking paints, the use thereof as filler material and intermediate stone chip resistant coat as well as a process for painting motor vehicle bodies.The water-thinnable baking paints comprise as binders a combination of(I) 20 to 70% by weight of a water-thinnable polyurethane resin with an acid value of 15 to 35,(II) 20 to 70% by weight of an epoxy resin-modified water-thinnable polyester which can be prepared by reacting a polyester (A) with a molecular weight (number average) below 2000, an acid value of 35-240 and a hydroxyl value of 56-320, with 0.3 to 1.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: May 11, 1993
    Assignee: BASF Lacke + Farben Aktiengesellschaft
    Inventors: Klaus Weidemeier, Winfried Schmidt, Hans-Dieter Hille, Bodo Muller
  • Patent number: 5183835
    Abstract: A water-dilutable coating comprising a binder obtained from an epoxide resin-modified polyester possessing free carboxyl groups prepared from the reaction of:A) a polyester polymerized from:a.sub.1) a polycarboxylic acid containing at least three carboxyl groups and/ora.sub.2) a polyol containing at least one carboxyl group anda.sub.3) a polycarboxylic acid containing two carboxyl groups anda.sub.4) a polyol; wherein the polyester contains (cyclo)aliphatic elements having at least six carbon atoms; andB) from 0.3-1.5 equivalents per polyester molecule of a bisphenol epoxide resin or a reaction product thereof containing at least one epoxide group per molecule with a carboxylic acid.
    Type: Grant
    Filed: November 21, 1990
    Date of Patent: February 2, 1993
    Assignee: BASF Lacke & Farben AG
    Inventors: Lutz-Werner Gross, Ulrich Poth, Dieter Hille, Klaus Weidemeier
  • Patent number: 5169922
    Abstract: The invention relates to coating compositions which are particularly suitable for the preparation of the basecoat for two-coat coatings of the basecoat/clearcoat type, and which comprise organic diluents, at least one resin containing urethane and urea groups, and, where appropriate, other resins, pigments and other conventional additives in common use.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: December 8, 1992
    Assignee: BASF Lacke + Farben AG
    Inventors: Hans-Dieter Hille, Arnold Dobbelstein, Horst Grosch
  • Patent number: 5075372
    Abstract: The invention relates to dispersions of crosslinked polymer micro-particles in aqueous media, which have been prepared:(1) (a) by dispersing a mixture of the components (A) and (B) in an aqueous medium, the component (A) being composed of one or more polyester-polyols containing at least 2 hydroxyl groups, and the component (B) being composed of one or more polyisocyanate compounds in which the isocyanate groups are at least partially in the masked form, and the components (A) and/or (B) having available a number of ionic groups, preferably carboxylate groups, sufficient to form a stable dispersion, and at least one part of the components (A) and/or (B) containing more than 2 hydroxyl or optionally masked isocyanate, respectively, groups per molecule and(2) (b) by subsequently heating the dispersion thus obtained to a temperature sufficiently high for the components (A) and (B) to react to form crosslinked polymer micro-particles.
    Type: Grant
    Filed: October 28, 1988
    Date of Patent: December 24, 1991
    Assignee: BASF Lacke+Farben Aktiengesellschaft
    Inventors: Hans-Dieter Hille, Horst Muller, Arnold Dobbelstein, Peter Mayenfels
  • Patent number: 5066759
    Abstract: The invention relates to a process for the preparation of macromonomers which carry at least two hydroxyl groups at one end. The process comprises(1) reacting a polyester, polyether, polyurethane, polyurea or polyamide prepolymer which has a number average molecular weight of 300 to 3000, preferably 500 to 2000, and contains an average of one terminal hydroxyl or amino group and at least one carboxyl group per molecule with a diisocyanate to form an intermediate which contains an average of one terminal isocyanate group and at least one carboxyl group per molecule, and subsequently reacting this intermediate(2) with a compound which has a molecular weight of 90 to 800, preferably 120 to 300, and contains at least two hydroxyl groups in addition to a group which is reactive to isocyanate groups, to form a macromonomer which carries an average of at least one carboxyl group and, at one end, at least two hydroxyl groups per molecule.
    Type: Grant
    Filed: June 13, 1990
    Date of Patent: November 19, 1991
    Assignee: BASF Lacke & Farben AG
    Inventors: Hans-Dieter Hille, Arnold Dobbelstein
  • Patent number: 4945128
    Abstract: Dispersions of crosslinked polymer micro-particles in aqueous media, a process for the preparation of these dispersions, and coating compositions containing these dispersions.The invention relates to dispersions of crosslinked polymer micro-particles in aqueous media, which have been prepared:(1) by dispersing a mixture of the components (A) and (B) in an aqueous medium, the component (A) being composed of one or more polyester-polyols containing at least 2 hydroxyl groups, and the component (B) being composed of one or more polyisocyanate compounds, and the component (A) having available a number of ionic groups, preferably carboxylate groups, sufficient to form a stable dispersion, and at least one part of the components (A) and/or (B) containing more than 2 hydroxyl or isocyanate, respectively, groups per molecule and(2) by subsequently heating the dispersion thus obtained to a temperature sufficiently high for the components (A) and (B) to react to form crosslinked polymer micro-particles.
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: July 31, 1990
    Assignee: BASF Lacke & Farben Aktiengesellschaft
    Inventors: Hans-Dieter Hille, Horst Muller, Arnold Dobbelstein
  • Patent number: 4914148
    Abstract: Basecoating compositions for preparing multilayered protective and/or decorative coatings comprise aqueous dispersions which contain(a) as film-forming material one or more polyurethane resins having an acid number of from 5 to 70, which has been prepared by preparing from(A) liner polyetherdiols and/or polyesterdiols having a molecular weight of from 400 to 3,000(B) diisocyanates and(C) compounds which contain two groups which are reactive toward isocyanate groups, one or more of the compounds used as component C having one or more groups capable of anion formation which have preferably been neutralized before the reaction with a tertiary amine,an intermediate which as terminal isocyanate groups and whose free isocyanate groups have subsequently been reacted with a polyol which contains three or more hydroxyl groups, preferably a triol,(b) pigments and(c) further customary additives.
    Type: Grant
    Filed: August 22, 1988
    Date of Patent: April 3, 1990
    Assignee: BASF Lacke & Farben AG
    Inventors: Hans-Dieter Hille, Franz Ebner, Hermann-Josef Drexler
  • Patent number: 4684676
    Abstract: The invention relates to binders for cathodically depositable coating compositions for the electrocoating lacquering process using cationic synthetic resins, which binders have been obtained by polymerizing (A) 5 to 95% by weight of ethylenically unsaturated polymerizable monomers in the presence of (B) 95 to 5% by weight of a cationic synthetic resin in an aqueous phase, the total amount of the components (A) and (B) being 100%.Esters of acrylic acid and/or methacrylic acid are preferable for use as component (A). The invention also relates to a process for preparing the binders and to their use for cathodically depositable electrocoating lacquers.
    Type: Grant
    Filed: August 30, 1985
    Date of Patent: August 4, 1987
    Assignee: BASF Farben & Fasern AG
    Inventors: Horst Diefenbach, Arnold Dobbelstein, Hans-Dieter Hille
  • Patent number: 4576868
    Abstract: The invention relates to a coating composition for the preparation of the base coat of a multilayer enamel consisting of at least one base and one transparent protective coat, the said coating composition containing binders based on organic resins, metallic pigments, organic solvents and, if appropriate, other pigments as well as customary additives and auxiliaries. The coating composition contains, as binders, (A) polyurethane elastomers and/or polyurea elastomers, (B) polyesters and (C) polycondensates partially etherified with monoalcohols and consisting of melamine, benzoguanamine and/or urea with formaldehyde. The invention further relates to a process for the preparation of coatings using the coating composition, and to a substrate coated with a multilayer enamel.
    Type: Grant
    Filed: September 14, 1984
    Date of Patent: March 18, 1986
    Assignee: BASF Farben & Fasern Aktiengesellschaft
    Inventors: Ulrich Poth, Hans-Dieter Hille
  • Patent number: 4558090
    Abstract: A water-dilutable coating agent for preparing the base layer of a multilayer coating. The coating agent contains pigments and optionally flow-control agents, thixotroping agents, fillers, organic solvents and other customary auxiliaries.
    Type: Grant
    Filed: October 2, 1984
    Date of Patent: December 10, 1985
    Assignee: BASF Farben & Fasern AG
    Inventors: Hermann-Josef Drexler, Franz Ebner, Hans-Dieter Hille, Ulrich Poth
  • Patent number: 4554212
    Abstract: The invention relates to binders for cathodically depositable coating compositions for the electrocoating lacquering process using cationic synthetic resins, which binders have been obtained by polymerizing (A) 5 to 95% by weight of ethylenically unsaturated polymerizable monomers in the presence of (B) 95 to 5% by weight of a cationic synthetic resin in an aqueous phase, the total amount of the components (A) and (B) being 100%. Esters of acrylic acid and/or methacrylic acid are preferable for use as component (A). The invention also relates to a process for preparing the binders and to their use for cathodically depositable electrocoating lacquers.
    Type: Grant
    Filed: August 1, 1984
    Date of Patent: November 19, 1985
    Assignee: BASF Farben & Fasern AG
    Inventors: Horst Diefenbach, Arnold Dobbelstein, Hans-Dieter Hille