Patents by Inventor Ekkehard Jahns

Ekkehard Jahns 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).

  • Publication number: 20080166555
    Abstract: The present invention relates to a coarse-particled microcapsule preparation comprising microencapsulated latent heat accumulators and one or more polymeric binders, the ratio of surface area to volume of the particles obeying the following relationship: Surface ? ? area 2 Volume 3 ? 2.5 , and to processes for its production and its use in heat exchangers and building materials.
    Type: Application
    Filed: January 14, 2006
    Publication date: July 10, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Gabriele Lang-Wittkowski, Ekkehard Jahns, Markus Steffen
  • Patent number: 7316994
    Abstract: Perfume polymeric particles, polymeric particles having affinities for certain perfume raw materials, compositions containing them and methods for making the same are provided.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: January 8, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Glenn Thomas Jordan, IV, Bernard William Kluesener, Mark Robert Sivik, Vicente Santamarina, Robert Richard Dykstra, Nathalia Lebedev, Lois Sara Gallon, Ellen Schmidt Baker, Patrick Amrhein, Dieter Boeckh, Stefan Frenzel, Ekkehard Jahns, Volker Schwendemann
  • Publication number: 20070248824
    Abstract: The present invention relates to a coarsely divided microcapsule preparation with particles whose particle sizes are in the range from 200 ?m to 5 cm, comprising microcapsules with a capsule core of latent heat storage material and a thermosetting polymer as capsule wail and one or more polymeric binders whose binder polymer has thermoplastic properties and film-forming properties under processing conditions, where the binder content, calculated as solid, is 1-30% by weights based on the total weight of the coarsely divided microcapsule preparation.
    Type: Application
    Filed: August 2, 2005
    Publication date: October 25, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Gabriele Lang-Wittkowski, Ekkehard Jahns, Marco Schmidt, Michael Senge, Markus Steffen, Karl Kolter
  • Publication number: 20070240781
    Abstract: The invention relates to syntactic polyurethanes, obtainable by reacting a polyisocyanate component (a) with a polyol component (b), in the presence of hollow microspheres (c) and encapsulated latent heat stores (d). The invention furthermore relates to the use of the syntactic polyurethanes for insulating offshore pipes, and insulated offshore pipes as such, and other parts and apparatuses used in the offshore sector.
    Type: Application
    Filed: May 17, 2005
    Publication date: October 18, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Peter Huntemann, Udo Schilling, Gabriele Lang-Wittkowski, Ekkehard Jahns
  • Patent number: 7166355
    Abstract: The invention relates to the use of microcapsules with latent heat storage materials as capsule cores on gypsum plasterboards, gypsum plasterboards containing the same and a method for production thereof.
    Type: Grant
    Filed: August 7, 2002
    Date of Patent: January 23, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Ekkehard Jahns, Hans-Jurgen Denu, Joachim Pakusch, Horst Seibert, Marco Schmidt
  • Publication number: 20060257582
    Abstract: Hydrophilic composite material comprising components A and B, and optionally C, where A is a substance which readily swells with water, B is a substance which forms a porous structure or has a predetermined porous structure, and in whose pores A is present, and C is a binder.
    Type: Application
    Filed: July 14, 2006
    Publication date: November 16, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Harald Keller, Ekkehard Jahns, Thomas Frechen, Wolfgang Schrepp
  • Publication number: 20060199011
    Abstract: Use of aqueous microcapsule dispersions with latent heat storage materials as capsule core and a polymer as shell, which are obtainable by heating an oil-in-water emulsion in which the monomers, free radical initiators and the latent heat storage materials are present as a disperse phase, where the monomer mixture comprises 30 to 100% by weight, based on the total weight of the monomers, of one or more monomers I chosen from C1-C24-alkyl esters of acrylic acid and methacrylic acid, methacrylic acid and methacrylonitrile, 0 to 80% by weight, based on the total weight of the monomers, of a bi- or polyfunctional monomer II which is insoluble or sparingly soluble in water and 0 to 40% by weight, based on the total weight of the monomers, of other monomers III, as heat transfer liquids.
    Type: Application
    Filed: April 14, 2004
    Publication date: September 7, 2006
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventor: Ekkehard Jahns
  • Patent number: 7018711
    Abstract: Microcapsules having a capsule core comprising water-soluble organic substances, and a capsule coating which is a condensate of formaldehyde resins and/or alkyl ethers thereof, a process for their preparation, their use, and compositions comprising the microcapsules.
    Type: Grant
    Filed: April 20, 2002
    Date of Patent: March 28, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Dirk Wulff, Ekkehard Jahns, Harald Röckel, Volker Schehlmann
  • Patent number: 6951836
    Abstract: Described are microcapsule formulations comprising microcapsules having a core of a hydrophobic material, which encloses at least one fragrance or perfume, and a capsule shell which is obtainable by either i) free-radical polymerization of ethylenically unsaturated monomers comprising: from 30 to 100% by weight of one or more C1-C24 alkyl esters of acrylic and/or methacrylic acid, from 0 to 70% by weight of a bi- or polyfunctional monomer, from 0 to 40% by weight of other monomers; or ii) acid-induced condensation of melamine-formaldehyde precondensates and/or their C1-C4 alkyl ethers. Also described are laundry detergent or cleaning product compositions which comprise the microcapsules.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: October 4, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Ekkehard Jahns, Dieter Boeckh, Werner Bertleff, Peter Neumann
  • Patent number: 6890653
    Abstract: The present invention relates to microcapsule dispersions comprising microcapsules having a capsule core comprising water-soluble organic substances, and a capsule coating which essentially consists of polyurethane and/or polyurea, in a hydrophobic solvent which consists of 50 to 100% by weight of glycerol ester oils and 0 to 50% by weight of solvents miscible with glycerol ester oils, and to a process for their preparation.
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: May 10, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Dirk Wulff, Ekkehard Jahns, Volker Schehlmann
  • Publication number: 20050080166
    Abstract: Hydrophilic composite material comprising components A and B, and optionally C, where A is a substance which readily swells with water, B is a substance which forms a porous structure or has a predetermined porous structure, and in whose pores A is present, and C is a binder.
    Type: Application
    Filed: January 30, 2003
    Publication date: April 14, 2005
    Applicant: Basf Aktiengesellschaft
    Inventors: Harald Keller, Ekkehard Jahns, Thomas Frechen, Wolfgang Schrepp
  • Patent number: 6849591
    Abstract: A description is given of a microcapsule formulation comprising microcapsules having a core of a hydrophobic material and a capsule shell of an addition polymer containing in copolymerized form at least 1% by weight of cationogenic monomers and/or polyethylenically unsaturated monomers whose unsaturated sites are connected via successive chemical bonds of which at least one bond is acid-hydrolyzable. A description is further given of a microcapsule formulation comprising microcapsules having a core of a hydrophobic material, which comprises at least one fragrance or perfume, and a shell of an addition polymer containing in copolymerized form at least 1% by weight of anionogenic monoethylenically unsaturated monomers and/or polyethylenically unsaturated monomers whose unsaturated sites are connected via successive chemical bonds of which at least one bond is base-hydrolyzable. The microcapsule formulations are employed in laundry detergents or cleaning products.
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: February 1, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Boeckh, Ekkehard Jahns, Werner Bertleff, Peter Neumann
  • Publication number: 20040234738
    Abstract: The invention relates to the use of microcapsules with latent heat storage materials as capsule cores on gypsum plasterboards, gypsum plasterboards containing the same and a method for production thereof.
    Type: Application
    Filed: February 10, 2004
    Publication date: November 25, 2004
    Inventors: Ekkehard Jahns, Hans-Jurgen Denu, Joachim Pakusch, Horst Seibert, Marco Schmidt
  • Publication number: 20040232575
    Abstract: The present invention relates to microcapsule dispersions comprising microcapsules having a capsule core comprising water-soluble organic substances, and a capsule coating which essentially consists of polyurethane and/or polyurea, in a hydrophobic solvent which consists of 50 to 100% by weight of glycerol ester oils and 0 to 50% by weight of solvents miscible with glycerol ester oils, and to a process for their preparation.
    Type: Application
    Filed: February 10, 2004
    Publication date: November 25, 2004
    Inventors: Dirk Wulff, Ekkehard Jahns, Volker Schehlmann
  • Patent number: 6783807
    Abstract: The surfaces of apparatuses and apparatus parts for chemical plant construction, including, for example, apparatus, container and reactor walls, discharge apparatuses, fittings, pumps, filters, compressors, centrifuges, columns, heat exchangers, dryers, comminuting machines, internals, packings and mixing elements, are coated by a process wherein protuberances having a mean height of from 100 nm to 50 &mgr;m with a mean spacing of from 100 nm to 100 &mgr;m are produced on the surface to be coated and the coating is applied thereon by currentless deposition of a metal layer or of a metal-polymer dispersion layer with the aid of a plating bath which contains a metal electrolyte, a reducing agent and optionally a polymer or polymer blend to be deposited, in dispersed form.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: August 31, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Stephan Hüffer, Thilo Krebs, Klaus-Dieter Hungenberg, Ingolf Kühn, Ekkehard Jahns, Christian Lach, Harald Keller, Andreas Pfau, Thomas Frechen, Bernd Diebold, Peter Dillmann
  • Publication number: 20040157043
    Abstract: A process for coating surfaces in apparatuses or apparatus parts for plant construction, preferably for chemical plant construction, involves optionally first hydrophobicizing a polymer film having a microstructure and optionally additionally macrostructured surface and then fixing it on the apparatus or apparatus part to be coated, and also apparatuses and apparatus parts thus coated.
    Type: Application
    Filed: February 12, 2003
    Publication date: August 12, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Harald Keller, Ekkehard Jahns, Christian Lach, Stephan Huffer, Thilo Krebs, Yi Thomann, Thomas Frechen
  • Publication number: 20040110648
    Abstract: Perfume polymeric particles, polymeric particles having affinities for certain perfume raw materials, compositions containing them and methods for making the same are provided.
    Type: Application
    Filed: October 28, 2003
    Publication date: June 10, 2004
    Inventors: Glenn Thomas Jordan, Bernard William Kluesener, Mark Robert Sivik, Vicente Santamarina, Robert Richard Dykstra, Natalia N.L. Lebedev, Lois Sara Gallon, Ellen Schmidt Baker, Patrick Amrhein, Dieter Boeckh, Stefan Frenzel, Ekkehard Jahns, Volker Schwendemann
  • Publication number: 20040089961
    Abstract: The invention relates to micro-capsules comprising a capsule core containing water-soluble, organic substances and a capsule shell, which is a condensate of formaldehyde resins and/or their alkyl ethers. The invention also relates to a method for producing said micro-capsules, to the use thereof and to agents containing the micro-capsules.
    Type: Application
    Filed: October 23, 2003
    Publication date: May 13, 2004
    Inventors: Dirk Wulff, Ekkehard Jahns, Harald Rockel, Volker Schelmann
  • Publication number: 20040047997
    Abstract: Surfaces are provided with a dirt-repellent treatment by a process in which the surfaces are coated with particles which have a mean diameter of from 3 nm to 5 &mgr;m and consist of a material which has a surface energy of at least 20 mN/m.
    Type: Application
    Filed: June 25, 2003
    Publication date: March 11, 2004
    Inventors: Harald Keller, Ekkehard Jahns, Christian Lach, Stephan Huffer, Elmar Stockelmann, Yi Thomann, Thomas Frechen
  • Patent number: 6683126
    Abstract: The present invention provides a coating composition for producing difficult-to-wet surfaces, comprising i) at least one finely divided powder whose particles have a hydrophobic surface and a porous structure characterized by a BET surface area (determined in accordance with DIN 66131) of at least 1 m2/g, and ii) at least one film-forming binder characterized by a surface tension <50 mN/m, the weight ratio of powder to binder being at least 1:4. It also provides a process for producing difficult-to-wet surfaces, and provides for the use of the coating compositions for producing surfaces having a self-cleaning effect and for reducing the flow resistance for liquids in pipes.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: January 27, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Harald Keller, Ingolf Kühn, Ekkehard Jahns, Christian Lach, Stephan Hüffer, Thilo Krebs, Yi Thomann, Thomas Frechen