Patents by Inventor Hans-Juergen Reese

Hans-Juergen Reese 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: 9567500
    Abstract: The present invention relates to a polyurethane adhesive comprising an isocyanate component A and a polyol component B where the isocyanate component A comprises at least one diisocyanate or polyisocyanate and the polyol component B comprises the alkoxylation product of a mixture of castor oil or ricinoleic acid (i), of an aromatic di- or polyol (ii), and of an OH-functional compound having aliphatically bonded OH groups and OH-functionality of from 1 to 8 (iii), and also optionally of a compound (iv), selected from the group consisting of cyclic anhydrides of dicarboxylic acids, and optionally of a compound (v) selected from the group consisting of cyclic mono- or diesters. The present invention further relates to a process for adhesive bonding with use of the polyurethane adhesive of the invention, to an item adhesive-bonded with the use of the polyurethane adhesive, and to the use of said item in the construction of wind turbines.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: February 14, 2017
    Assignee: VASF SE
    Inventors: Berend Eling, Hans-Juergen Reese, Christian Koenig, Patrick Bolze
  • Publication number: 20160137892
    Abstract: The present invention relates to a polyurethane adhesive comprising an isocyanate component A and a polyol component B where the isocyanate component A comprises at least one diisocyanate or polyisocyanate and the polyol component B comprises the alkoxylation product of a mixture of castor oil or ricinoleic acid (i), of an aromatic di- or polyol (ii), and of an OH-functional compound having aliphatically bonded OH groups and OH-functionality of from 1 to 8 (iii), and also optionally of a compound (iv), selected from the group consisting of cyclic anhydrides of dicarboxylic acids, and optionally of a compound (v) selected from the group consisting of cyclic mono- or diesters. The present invention further relates to a process for adhesive bonding with use of the polyurethane adhesive of the invention, to an item adhesive-bonded with the use of the polyurethane adhesive, and to the use of said item in the construction of wind turbines.
    Type: Application
    Filed: June 16, 2014
    Publication date: May 19, 2016
    Applicant: BASF SE
    Inventors: Berend ELING, Hans-Juergen REESE, Christian KOENIG, Patrick BOLZE
  • Patent number: 8802808
    Abstract: The invention relates to a polyol mixture which comprises as components a1) at least one fat-based polyol, a2) at least one polyetherol having a number average molecular weight of from 500 to 2000 g/mol and a3) if appropriate one or more crosslinkers having a number average molecular weight of from 90 to 400 g/mol, where x) the number average molecular weight of component a1) differs by not more than 400 g/mol from the number average molecular weight of component a2) and xi) components a1) and a2) do not differ from one another in OH functionality by more than 0.5. These polyol mixtures can be employed to produce polyurethane-based embedding compositions. The invention additionally relates to embedding compositions based on the polyol mixtures (A) described at the outset and at least one modified isocyanate (B) and to the use of the embedding compositions as potting material. The invention further relates to a process for producing the embedding compositions as described at the outset.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: August 12, 2014
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Juergen Reese, Ralf Fritz, Gunther Lukat, Hans Ulrich Schmidt
  • Patent number: 8592497
    Abstract: The invention relates to a process for the preparation of polyurethanes by reacting polyisocyanates a) with compounds having at least two hydrogen atoms reactive with isocyanate groups b), wherein a polyisocyanate a) used is at least one polyisocyanate ai) having an average functionality of greater than 2, a content of diisocyanates of not more than 2% by weight and a content of uretonimines of not more than 4% by weight, based in each case on the weight of the polyisocyanate ai).
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: November 26, 2013
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Juergen Reese, Imbridt Murrar, Ralf Fritz, Andres Cabrera, Birgit Magg
  • Patent number: 8455101
    Abstract: The present invention relates to a process for producing a polyurethane lamination resin, by mixing a) an isocyanate prepolymer based on diphenylmethane diisocyanate having a difunctionally started polyether, b) polyphenylene polymethylene polyisocyanate, c) trifunctionally started polyetherpolyol with an average molar mass of from 350 to 600 g/mol, d) a thermoactivatable capped catalyst, e) if appropriate, chain extender and/or crosslinking agent, f) if appropriate, water-absorbent substances, and g) if appropriate, other additives to give the polyurethane lamination resin. The present invention further relates to a polyurethane lamination resin, obtainable via a process of this type, and to the use of this type of polyurethane lamination resin for producing laminates, and also to skis or snowboards, comprising this type of laminate.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: June 4, 2013
    Assignee: BASF SE
    Inventors: Hans-Juergen Reese, Bert Neuhaus, Silvio Holl, Guenter Taenny
  • Patent number: 8334010
    Abstract: The invention relates to a process for the production of a composite of a plastic and loose stones, comprising the steps a) mixing of the loose stones with the liquid starting components of the plastic in a mixer, b) discharge of this mixture from the mixer, c) curing of the plastic.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: December 18, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Juergen Reese, Hans Ulrich Schmidt, Johann Leitner
  • Publication number: 20100255316
    Abstract: The present invention relates to a process for producing a polyurethane lamination resin, by mixing a) an isocyanate prepolymer based on diphenylmethane diisocyanate having a difunctionally started polyether, b) polyphenylene polymethylene polyisocyanate, c) trifunctionally started polyetherpolyol with an average molar mass of from 350 to 600 g/mol, d) a thermoactivatable capped catalyst, e) if appropriate, chain extender and/or crosslinking agent, f) if appropriate, water-absorbent substances, and g) if appropriate, other additives to give the polyurethane lamination resin. The present invention further relates to a polyurethane lamination resin, obtainable via a process of this type, and to the use of this type of polyurethane lamination resin for producing laminates, and also to skis or snowboards, comprising this type of laminate.
    Type: Application
    Filed: October 22, 2008
    Publication date: October 7, 2010
    Applicant: BASF SE
    Inventors: Hans-Juergen Reese, Bert Neuhaus, Silvio Holl, Guenter Taenny
  • Publication number: 20100178110
    Abstract: The invention relates to an apparatus for coastal protection, comprising at least one porous composite of stones and plastics which is fixed at a point.
    Type: Application
    Filed: August 23, 2006
    Publication date: July 15, 2010
    Applicant: BASF SE
    Inventors: Hans Ulrich Schmidt, Hans-Juergen Reese, Johann Leitner, Joachim Roser, Andrea Eisenhardt, Erik Pasche
  • Publication number: 20100105855
    Abstract: The invention relates to a polyol mixture which comprises as components a1) at least one fat-based polyol, a2) at least one polyetherol having a number average molecular weight of from 500 to 2000 g/mol and a3) if appropriate one or more crosslinkers having a number average molecular weight of from 90 to 400 g/mol, where x) the number average molecular weight of component a1) differs by not more than 400 g/mol from the number average molecular weight of component a2) and xi) components a1) and a2) do not differ from one another in OH functionality by more than 0.5. These polyol mixtures can be employed to produce polyurethane-based embedding compositions. The invention additionally relates to embedding compositions based on the polyol mixtures (A) described at the outset and at least one modified isocyanate (B) and to the use of the embedding compositions as potting material. The invention further relates to a process for producing the embedding compositions as described at the outset.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 29, 2010
    Applicant: BASF SE,
    Inventors: Hans-Juergen Reese, Ralf Fritz, Gunther Lukat, Hans Ulrich Schmidt
  • Publication number: 20100076101
    Abstract: The invention relates to polyphenylenepolymethylene polyisocyanates (B) comprising (B1) the 2-ring product of polyphenylenepolymethylene polyisocyanate (B2) the 3-ring product of polyphenylenepolymethylene polyisocyanate (B3) the 4-ring product of polyphenylenepolymethylene polyisocyanate (B4) the 5-ring product of polyphenylenepolymethylene polyisocyanate, wherein the constituents (B2), (B3) and (B4) are, at a content of (B1) of up to 55% by weight, based on the weight of (B), present in a weight ratio of (B2):(B3):(B4) of 8±4:3.5±1.8:1.2±0.9 and the component (B) comprises at least 85% by weight, based on the weight of the component (B), of the constituents (B1), (B2), (B3) and (B4).
    Type: Application
    Filed: November 12, 2007
    Publication date: March 25, 2010
    Applicant: BASF SE
    Inventors: Hans-Juergen Reese, Imbridt Murrar, Ralf Fritz, Andres Cabrera, Birgit Magg, Baerbel Guschel
  • Publication number: 20100028542
    Abstract: The invention relates to a process for the production of a composite of a plastic and loose stones, comprising the steps a) mixing of the loose stones with the liquid starting components of the plastic in a mixer, b) discharge of this mixture from the mixer, c) curing of the plastic.
    Type: Application
    Filed: June 14, 2006
    Publication date: February 4, 2010
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Hans-Juergen Reese, Hans Ulrich Schmidt, Johann Leitner
  • Publication number: 20090253819
    Abstract: The invention relates to a process for the preparation of polyurethanes by reacting polyisocyanates a) with compounds having at least two hydrogen atoms reactive with isocyanate groups b), wherein a polyisocyanate a) used is at least one polyisocyanate ai) having an average functionality of greater than 2, a content of diisocyanates of not more than 2% by weight and a content of uretonimines of not more than 4% by weight, based in each case on the weight of the polyisocyanate ai).
    Type: Application
    Filed: April 3, 2007
    Publication date: October 8, 2009
    Applicant: BASF SE
    Inventors: Hans-Jürgen Reese, Imbridt Murrar, Ralf Fritz, Andres Cabrera, Birgit Magg
  • Patent number: 6790537
    Abstract: Composite elements have the following layer structure: (i) from 2 to 20 mm of metal, (ii) from 10 to 300 mm of polyisocyanate polyaddition products obtainable by reacting (a) isocyanates with (b) compounds which are reactive toward isocyanates in the presence of from 1 to 50% by volume, based on the volume of the polyisocyanate polyaddition products, of at least one gas (c) and also, if desired, (d) catalysts and/or (f) auxiliaries and/or additives, (iii) from 2 to 20 mm of metal.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: September 14, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Bartz, Georg Knoblauch, Heike Wild, Heinz Forster, Jürgen Mertes, Hans-Juergen Reese, Mathäus Rank, Karl-Werner Hohl
  • Patent number: 6770374
    Abstract: Composite elements having the following layer structure: (i) 2-20 mm of metal, (ii) 10-100 mm of compact polyisocyanate polyaddition products obtainable by reacting (a) isocyanates with (b) polyether polyalcohols, if desired in the presence of (c) catalysts and/or (d) auxiliaries and/or additives, (iii) 2-20 mm of metal.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: August 3, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Heike Wild, Hans-Juergen Reese, Georg Knoblauch, Thomas Bartz, Mathäus Rank, Heinz Forster
  • Patent number: 6090307
    Abstract: A phase-stable polyol component comprisesA1) at least one polyether polyalcohol and/or polyether ester polyalcohol,A2) at least one polyester polyol andA3) at least one liquid flame retardant additive,where the constituents A1:A2:A3 are present in a weight ratio of 10.+-.4.5:13.+-.4:14.+-.4.5.
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: July 18, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinz Forster, Hans-Juergen Reese
  • Patent number: 5834529
    Abstract: Pressurized, blowing agent-containing isocyanate semiprepolymer mixtures advantageously having an isocyanate content of from 5 to 25% and based on organic polyisocyanates and alkoxylated lignin having a hydroxyl number of from 30 to 80, preferably in admixture with lignin-free polyhydroxyl compounds are used for producing single-component polyurethane foams.
    Type: Grant
    Filed: November 6, 1995
    Date of Patent: November 10, 1998
    Assignee: Elastogran GmbH
    Inventors: Hans-Juergen Reese, Franz Heimpel, Heinz Forster
  • Patent number: 5631319
    Abstract: The invention relates to pressurized, blowing-agent-containing isocyanate semiprepolymer mixtures, advantageously having an isocyanate content of from 5 to 25% by weight, based on organic polyisocyanates and polyhydroxyl compounds which are used in combination with a linear, branched or cyclic, saturated or olefinically unsaturated monoalcohol having 1 to 25 carbon atoms and/or hydroxyketones, preferably .beta.-hydroxyketones, the use thereof for the production of one-component polyurethane foams by allowing the isocyanate semiprepolymer mixtures to depressurize, and a process therefor.
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: May 20, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Juergen Reese, Franz Heimpel, Heinz Forster