Patents by Inventor Harald Blum

Harald Blum 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: 9469716
    Abstract: The present invention relates to innovative single-component polyurethane systems based on water-soluble polyurethanes or their aqueous solutions, to a process for preparing them, and to the use.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: October 18, 2016
    Assignee: Covestro Deutschland AG
    Inventors: Harald Blum, Heino Müller
  • Patent number: 9034985
    Abstract: The invention relates to radiation curable coating systems on the basis of aqueous polyurethane dispersions, to a method for the production thereof, to the use of the coating systems as paints and/or adhesives, and to objects and substrates provided with said paints and/or adhesives.
    Type: Grant
    Filed: January 30, 2010
    Date of Patent: May 19, 2015
    Assignee: Bayer MaterialScience AG
    Inventors: Stefan Sommer, Harald Blum, Jürgen Lippemeier, Miguel Fernandez
  • Patent number: 8933146
    Abstract: The present invention describes the preparation of an aqueous polyurethane dispersion which is cured by radiation, and its use as binder.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: January 13, 2015
    Assignee: Bayer MaterialScience AG
    Inventors: Stefan Sommer, Richard Kopp, Harald Blum, Christoph Irle, Jan Weikard, Erhard Luehmann
  • Patent number: 8729210
    Abstract: Prepolymers, which are accessible from formamides of low molecular weight di- or triamines (formamide-terminated low molecular weight compounds) and di- or polyisocyanates, of the general formula (II): X—[—N(CHO)—CO—NH—R1—NCO]n??(II) wherein X represents a linear or branched aliphatic, cycloaliphatic, heterocyclic and/or aromatic structural unit having 2 to 40 carbon atoms, and which is optionally further substituted and/or optionally comprises one or more heteroatoms, wherein R1 represents an organic radical which may optionally contain one or more heteroatoms and which may further contain one or more additional free isocyanate groups and/or one or more urethane, biuret, carbodiimide, isocyanurate, allophanate, iminooxadiazinedione and/or uretdione structural units, and wherein n?2; processes for making the same; compositions containing the same; and uses thereof.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: May 20, 2014
    Assignee: Bayer MaterialScience AG
    Inventors: Harald Blum, Evelyn Peiffer, Marc Leimenstoll
  • Patent number: 8383724
    Abstract: The invention relates to an aqueous coating composition based on a combination of aqueous binders and crosslinker, to a process for preparing it and to use for single-coat or multi-coat paint systems, especially coatings having anti-stonechip properties.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: February 26, 2013
    Assignee: Bayer MaterialScience AG
    Inventors: Harald Blum, Heino Müller, Heinz Schmidt
  • Publication number: 20120116041
    Abstract: The invention relates to novel formamides derived from diamines or triamines. As compared to amines, these formamide-terminated compositions have a decelerated reactivity to polyisocyanates, that is, prepolymers.
    Type: Application
    Filed: July 6, 2010
    Publication date: May 10, 2012
    Applicant: BAYER MATERIALSCIENCE AG
    Inventors: Evelyn Peiffer, Harald Blum
  • Publication number: 20120095164
    Abstract: The invention relates to novel aqueous, crosslinkable polyurethane dispersions based on terephthalic acid polyesters, the production thereof and their use in combination with hydroxy-functional reactants for the production of lacquers, coatings and sizes which are distinguished especially by high film hardness together with high elasticity and very good adhesion.
    Type: Application
    Filed: June 24, 2010
    Publication date: April 19, 2012
    Applicant: BAYER MATERIALSCIENCE AG
    Inventors: Harald Blum, Heino Müller, Sebastian Dörr
  • Publication number: 20120041145
    Abstract: The invention relates to radiation curable coating systems on the basis of aqueous polyurethane dispersions, to a method for the production thereof, to the use of the coating systems as paints and/or adhesives, and to objects and substrates provided with said paints and/or adhesives.
    Type: Application
    Filed: January 30, 2010
    Publication date: February 16, 2012
    Applicant: Bayer MaterialScience AG
    Inventors: Stefan Sommer, Harald Blum, Jürgen Lippemeier, Miguel Fernandez
  • Publication number: 20110244228
    Abstract: The present invention relates to an aqueous polyurethane or polyurethane-urea dispersion comprising a polyurethane or a polyurethane polyurea dispersed therein, wherein the polyurethane or polyurethane polyurea comprises terminal carboxyl groups and lateral sulfonate and/or carboxylate groups.
    Type: Application
    Filed: October 31, 2009
    Publication date: October 6, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Harald Blum, Jörg Büchner, Wolfgang Henning
  • Publication number: 20110236667
    Abstract: The invention relates to new aqueous polyurethane-modified alkyd resin dispersions, to their preparation and use as binders in paints and coatings.
    Type: Application
    Filed: June 6, 2011
    Publication date: September 29, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Harald Blum, Rolf Gertzmann, Christoph Irle, Maria Almato Guiteras, Juan Miguel Garcia Martinez
  • Patent number: 7902302
    Abstract: Hydroxy-functional polyester-polyurethane dispersions comprising a reaction product of: (a) at least one, at least difunctional polyol component; (b) at least one ionizable compound having at least one acid group and at least one functional group capable of reacting with isocyanate groups, the at least one functional group selected from the group consisting of mono-, di-, and trihydroxycarboxylic acids, hydroxysulfonic acids, aminosulfonic acids, and aminocarboxylic acids; (c) at least one acid anhydride; and (d) at least one, at least difunctional polyisocyanate component; methods for preparing such dispersions; compositions containing such dispersions; and uses thereof.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: March 8, 2011
    Assignee: Bayer MaterialScience AG
    Inventors: Harald Blum, Heino Müller
  • Publication number: 20110044933
    Abstract: The present invention relates to particles produced by drying aqueous dispersions of nanoureas and to methods for the production thereof.
    Type: Application
    Filed: March 24, 2009
    Publication date: February 24, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Sebastian Dörr, Harald Blum, Steffen Hofacker, Sophie Viala
  • Patent number: 7879509
    Abstract: The present invention provides polyurethane systems which cure by radiation and thermal action with crosslinking, and use thereof for the production of holographic media. The polyurethane compositions of the invention comprise A) polyisocyanates, B) isocyanate-reactive block copolymers, C) compounds having groups which react on exposure to actinic radiation with ethylenically unsaturated compounds with polymerization, D) optionally free radical stabilizers and E) photoinitiators.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: February 1, 2011
    Assignee: Bayer MaterialScience AG
    Inventors: Nicolas Stöckel, Friedrich-Karl Bruder, Harald Blum
  • Publication number: 20110015291
    Abstract: Prepolymers, which are accessible from formamides of low molecular weight di- or triamines (formamide-terminated low molecular weight compounds) and di- or polyisocyanates, of the general formula (II): X—[—N(CHO)—CO—NH—R1—NCO]n ??(II) wherein X represents a linear or branched aliphatic, cycloaliphatic, heterocyclic and/or aromatic structural unit having 2 to 40 carbon atoms, and which is optionally further substituted and/or optionally comprises one or more heteroatoms, wherein R1 represents an organic radical which may optionally contain one or more heteroatoms and which may further contain one or more additional free isocyanate groups and/or one or more urethane, biuret, carbodiimide, isocyanurate, allophanate, iminooxadiazinedione and/or uretdione structural units, and wherein n?2; processes for making the same; compositions containing the same; and uses thereof
    Type: Application
    Filed: July 16, 2010
    Publication date: January 20, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Harald Blum, Evelyn Peiffer, Marc Leimenstoll
  • Patent number: 7868055
    Abstract: Aqueous UV-hardenable dispersions are provided, as well as their use for the production of coating agents, in particular coatings for ligneous substrates.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: January 11, 2011
    Assignee: Bayer MaterialScience AG
    Inventors: Harald Blum, Erhard Luehmann, Stefan Sommer, Christoph Irle
  • Publication number: 20100210757
    Abstract: The invention relates to radiation-curable coating systems based on aqueous polyurethane dispersions, to a process for their production, to the use of the coating systems as lacquers and/or adhesives, and also to articles and substrates provided with these lacquers and/or adhesive.
    Type: Application
    Filed: February 12, 2010
    Publication date: August 19, 2010
    Applicant: Bayer MaterialScience AG
    Inventors: Stefan Sommer, Harald Blum, Jürgen Lippemeier
  • Patent number: 7691941
    Abstract: The present invention relates to the preparation of aqueous, solvent-free or low-solvent, storage-stable polyurethane crosslinker dispersions having pyrazole-blocked isocyanate groups, to coating compositions prepared from them and to their use in coatings.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: April 6, 2010
    Assignee: Bayer Material Science AG
    Inventors: Sebastian Dörr, Heino Müller, Harald Blum
  • Publication number: 20090264577
    Abstract: The present invention relates to innovative single-component polyurethane systems based on water-soluble polyurethanes or their aqueous solutions, to a process for preparing them, and to the use.
    Type: Application
    Filed: April 17, 2009
    Publication date: October 22, 2009
    Applicant: Bayer MaterialScience AG
    Inventors: Harald Blum, Heino Muller
  • Publication number: 20090264587
    Abstract: The present invention relates to innovative aqueous polyurethane solutions, to the soluble polyurethanes present therein, to a process for preparing them, and to the use in polyurethane systems.
    Type: Application
    Filed: April 17, 2009
    Publication date: October 22, 2009
    Applicant: Bayer MaterialScience AG
    Inventors: Harald Blum, Martin Melchiors
  • Patent number: 7589148
    Abstract: The present invention relates to the preparation of aqueous, cosolvent-free polyurethane dispersions with blocked isocyanate groups, to baking varnishes prepared from them, and to their use in coatings.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: September 15, 2009
    Assignee: Bayer MaterialScience AG
    Inventors: Sebastian Dorr, Heino Muller, Harald Blum