Patents by Inventor Peter-Roger Nyssen

Peter-Roger Nyssen 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: 7566403
    Abstract: The invention relates to a process for eliminating nitrogenous organic compounds from a salt-containing water which contains more than 0.5% by weight of salt in the form of CaCl2 or NaCl, less than 200 ppm of dissolved carbonic acid or carbonates and more than 50 ppm of nitrogenous organic compounds, by treating the water by wet oxidation at a temperature of below 100° C. with chlorine or a chlorine-containing oxidizing agent and feeding this, preferably after additional oxidation with a gaseous oxidizing agent and/or by adsorption with an adsorbent, to an electrolysis for producing chlorine and/or sodium hydroxide solution.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: July 28, 2009
    Assignee: LANXESS Deutschland GmbH
    Inventors: Thomas Weiβ, Peter-Roger Nyssen, Horst Bertram, Gunther Stolp, Paul Wagner
  • Publication number: 20080210640
    Abstract: The invention relates to a process for eliminating nitrogenous organic compounds from a salt-containing water which contains more than 0.5% by weight of salt in the form of CaCl2 or NaCl, less than 200 ppm of dissolved carbonic acid or carbonates and more than 50 ppm of nitrogenous organic compounds, by treating the water by wet oxidation at a temperature of below 100° C. with chlorine or a chlorine-containing oxidizing agent and feeding this, preferably after additional oxidation with a gaseous oxidizing agent and/or by adsorption with an adsorbent, to an electrolysis for producing chlorine and/or sodium hydroxide solution.
    Type: Application
    Filed: December 21, 2007
    Publication date: September 4, 2008
    Inventors: Thomas Weiss, Peter-Roger Nyssen, Horst Bertram, Gunther Stolp, Paul Wagner
  • Patent number: 7264183
    Abstract: The invention relates to an improved process for the production of finely divided blowing agent powders.
    Type: Grant
    Filed: June 7, 2005
    Date of Patent: September 4, 2007
    Assignee: Lanxess Deutschland GmbH
    Inventors: Peter-Roger Nyssen, Rainer Elbert, Uwe Nussbaum, Egbert John, Benno Ulfik
  • Publication number: 20060086835
    Abstract: The invention relates to an improved process for the production of finely divided blowing agent powders.
    Type: Application
    Filed: June 7, 2005
    Publication date: April 27, 2006
    Applicant: LANXESS Deutschland GmbH
    Inventors: Peter-Roger Nyssen, Rainer Elbert, Uwe Nussbaum, Egbert John, Benno Ulfik
  • Publication number: 20050222281
    Abstract: The present invention relates to novel blowing agent preparations, to a process for their preparation, and to their use. The present invention also relates to a process for the preparation of azodicarbonamide.
    Type: Application
    Filed: March 18, 2005
    Publication date: October 6, 2005
    Applicant: Lanxess Deutschland GmbH
    Inventor: Peter-Roger Nyssen
  • Publication number: 20050222282
    Abstract: The present invention relates to novel blowing agent preparations, to a process for their preparation, and to their use. The present invention also relates to a process for the preparation of azodicarbonamide.
    Type: Application
    Filed: March 21, 2005
    Publication date: October 6, 2005
    Applicant: Lanxess Deutschland GmbH
    Inventor: Peter-Roger Nyssen
  • Patent number: 6903065
    Abstract: The invention relates to particulate solids comprising more than 90% by weight of natural or synthetic surface-active compounds for which a) the mean particle size of the particulate solid particles is 10 to 3000 ?m, b) the surface-active compounds are solid at room temperature, and c) the surface-active compounds have a melting point of from 25 to 250° C.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: June 7, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter-Roger Nyssen, Dietmar Fuchs, Hans-Peter Müller
  • Patent number: 6818050
    Abstract: Paint and coating material system comprising a) at least one solids component comprising at least one organic or inorganic white, black or chromatic pigment, organic or inorganic fillers, or mixtures thereof, and b) at least one binder component, characterized in that the components of the system in water, with a specific energy input of less than 150 J/cm3, based on the sum of the volumes of the components and water, produced an aqueous dispersion having a particle size of <60 &mgr;m (determined in accordance with ISO 1524: 1983).
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: November 16, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventor: Peter-Roger Nyssen
  • Patent number: 6646023
    Abstract: The invention relates to a method of coloring seed, seed-dressing materials, or seed-dressing material formulations with solid pigment preparations containing (a) at least one organic or inorganic pigment and (b) at least one compound selected from the group consisting of polyether polyols, reaction products of alkylene oxides with alkylatable compounds, or oxalkylated phenols, wherein the solid pigment preparations have a water content of less than 10% by weight, based on the pigment preparation, and a mean weight average particle size of 20 to 2000 &mgr;m.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: November 11, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventor: Peter-Roger Nyssen
  • Patent number: 6596446
    Abstract: The invention relates to pigment preparations comprising a metal complex of a mono-, di-, tri-, or tetraanion of an azo compound that in its free acid form conforms to formula (I) or a tautomeric form thereof wherein R and R′ are independently OH, NH2, NH—CN, acylamino, or arylamino, and R1 and R1′ are independently —OH or —NH2, with a metal selected from the group consisting of Na, K, Ca, Sr, Ba, Zn, Fe, Ni, Cu, Mn, La, Li, Cs, Mg, Cd, Co, Al, Cr, Sn, and Pb, wherein the metal complex hosts at least one guest compound.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: July 22, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Mickey Wolf, Rolf Richter, Kent Faubion, Udo Herrmann, Josef Witt, Peter-Roger Nyssen
  • Patent number: 6596073
    Abstract: The invention relates to a solid pigment composition comprising a) at least one pigment, b) at least one compound selected from the group consisting of b0) a phenol-styrene-polyglycol ether or an ionically modified phenol-styrene-polyglycol ether, b1) a condensation product prepared from b1A) sulphonated aromatics b1B) aldehydes and/or ketones and b1C) optionally one or more compounds selected from the group of unsulphonated aromatics, urea and urea derivatives, and b2) phosphoric acid, phosphonic acid and derivatives thereof, and c) at least one organic thickener.
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: July 22, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Roger Nyssen, Josef Witt
  • Publication number: 20030089888
    Abstract: The invention relates to a method of optically brightening natural or synthetic materials with aqueous brightener preparations containing
    Type: Application
    Filed: September 20, 2002
    Publication date: May 15, 2003
    Inventors: Erwin Bacher, Rolf Brockmann, Heinz Giesecke, Reiner Gottschalk, Peter-Roger Nyssen
  • Patent number: 6494941
    Abstract: Emulsions of an aqueous or an aqueous-organic continuous phase and an organic discontinuous phase, the latter containing at least a) a combination of active compounds tebuconazole and propiconazole b) one phenol/styrene polyglycol ether of the formula (I) where m=2.7 and n=2 to 13 c) and, if appropriate, an organic solvent which is not miscible with water, wherein the combination of tebuconazole and propiconazole is dissolvable completely at 20° C. in the a phenol/styrene polyglycol ether of the formula (I) or, optionally, together in (i) the phenol/styrene polyglycol ether of the formula (I) and (ii) the organic solvent that is not miscible with water, at a content of more than 0.1% by weight, based on the total weight of the organic phase. Methods for making and using such emulsions.
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: December 17, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter-Roger Nyssen, Peter Spetmann
  • Patent number: 6489382
    Abstract: Preparations of solids comprising a) at least one particulate solid and b) a water-dispersible graft copolymer built up from at least one hydrophobic, ethylenically unsaturated monomer, optionally one or more ethylenically unsaturated hydrophilic monomers, and at least one natural protective colloid or protective colloid obtained from a natural protective colloid by derivatization or thermal, enzymatic, oxidative, hydrolytic or bacteriological degradation having an average molar mass of Mn>500 g/mol.
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: December 3, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Giesecke, Bernd Hauschel, Peter-Roger Nyssen, Dirk Pfützenreuter
  • Publication number: 20020177533
    Abstract: The invention relates to particulate solids comprising more than 90% by weight of natural or synthetic surface-active compounds for which
    Type: Application
    Filed: May 17, 2002
    Publication date: November 28, 2002
    Inventors: Peter-Roger Nyssen, Dietmar Fuchs, Hans-Peter Muller
  • Patent number: 6478866
    Abstract: Aqueous pigment preparations containing a) at least one pigment, b) at least one condensation product based on A) suphonated aromatics, B) aldehydes and/or ketones and optionally C) one or several compounds selected from the group of non sulphonated aromatics, urea and urea derivatives, and c) at least one polyether polyol with a boiling point of above 150° C., at normal pressure. The inventive preparations are highly suitable for pigmenting natural or synthetic materials.
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: November 12, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Roger Nyssen, Wolfgang Zarges, Achim Brand, Thomas Roick, Hans Peter Geiger
  • Patent number: 6465567
    Abstract: The invention relates to pigment preparation having (a) at least one organic pigment, (b) at least one optionally ionically modified phenol-styrene polyglycol ether, and (c) at least one surface-active agent that is (i) an oxalkylated acetylene glycol of formula (I)  wherein n is 0 to 14, m is 0 to 14, and m+n is 0 to 14, and/or (ii) compounds having the formulas (II), (III), and (IV)  wherein R is C6-C18-alkyl. R1 independently denotes H or C1-C4-alkyl, p is from 3 to 60, R2 is R or optionally C1-C18-alkyl-substituted phenyl, X is —SO3−, —SO2−, —PO3═, or —CO—(R3)—COO−; R3 is a divalent aliphatic or aromatic radical, and Kat is a cation.
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: October 15, 2002
    Assignee: Bayer Akgiengesellschaft
    Inventors: Michael Grobe, Peter-Roger Nyssen, Michael Krause, Karina Kutschkau, Dirk Pfützenreuter
  • Publication number: 20020115783
    Abstract: Emulsions of an aqueous or an aqueous-organic continuous phase and an organic discontinuous phase, the latter containing at least
    Type: Application
    Filed: October 1, 2001
    Publication date: August 22, 2002
    Inventors: Peter-Roger Nyssen, Peter Spetmann
  • Publication number: 20020086808
    Abstract: The present invention relates to emulsions of an aqueous or aqueous-organic continuous phase and an organic discontinuous phase, wherein the organic discontinuous phase comprises
    Type: Application
    Filed: September 25, 2001
    Publication date: July 4, 2002
    Inventors: Peter-Roger Nyssen, Iris Wiesinger, Hellmut-Martin Meier, Udo Herrmann
  • Publication number: 20020034696
    Abstract: Use of metal complexes of an azo compound which conforms to the formula (I) or to one of its tautomeric structures 1
    Type: Application
    Filed: April 3, 2001
    Publication date: March 21, 2002
    Inventors: Mickey Wolf, Rolf Richter, Kent Faubion, Udo Herrmann, Josef Witt, Peter-Roger Nyssen