Patents by Inventor Rolf Peter Schulz

Rolf Peter Schulz 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: 8394998
    Abstract: The present invention relates to a method of producing neopentyl glycol by addition of isobutyraldehyde and formaldehyde in the presence of a tertiary alkylamine as catalyst to give the hydroxypivalinaldehyde with subsequent liquid phase hydrogenation in the presence of a nickel catalyst at a temperature of 80 to 180° C. and at a pressure of 6 to 18 MPa in the presence of an aliphatic alcohol and in the presence of water.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: March 12, 2013
    Assignee: Oxea GmbH
    Inventors: Kurt Schalapski, Tonia Kretz, Thorsten Kreickmann, Peter Heymanns, Rainer Lukas, Rolf-Peter Schulz
  • Patent number: 8357824
    Abstract: The present invention relates to a process for obtaining neopentyl glycol by hydrogenating cracking of high-boilers occurring in the production process in the presence of copper-chromite catalysts. The hydrogenating cracking proceeds in the absence of solvent at a temperature of 140 to 220° C. and at pressures of 7 to 28 MPa.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: January 22, 2013
    Assignee: Oxea GmbH
    Inventors: Rolf-Peter Schulz, Horst Scholz, Thomas Hupperich, Peter Heymanns, Tonia Weber, Alexander Kaufmann, Kurt Schalapski, Heinz Strutz
  • Publication number: 20110184212
    Abstract: The present invention relates to a process for obtaining neopentyl glycol by hydrogenating cracking of high-boilers occurring in the production process in the presence of copper-chromite catalysts. The hydrogenating cracking proceeds in the absence of solvent at a temperature of 140 to 220° C. and at pressures of 7 to 28 MPa.
    Type: Application
    Filed: June 25, 2009
    Publication date: July 28, 2011
    Applicant: OXEA GMBH
    Inventors: Rolf-Peter Schulz, Horst Scholz, Thomas Hupperich, Peter Heymanns, Tonia Weber, Alexander Kaufmann, Kurt Schalapski, Heinz Strutz
  • Publication number: 20110098515
    Abstract: The present invention relates to a method of producing neopentyl glycol by addition of isobutyraldehyde and formaldehyde in the presence of a tertiary alkylamine as catalyst to give the hydroxypivalinaldehyde with subsequent liquid phase hydrogenation in the presence of a nickel catalyst at a temperature of 80 to 180° C. and at a pressure of 6 to 18 MPa in the presence of an aliphatic alcohol and in the presence of water.
    Type: Application
    Filed: June 12, 2009
    Publication date: April 28, 2011
    Inventors: Kurt Schalapski, Tonia Kretz, Thosrten Kreickmann, Peter Heymanns, Rainer Lukas, Rolf-Peter Schulz
  • Patent number: 6326502
    Abstract: The present invention provides a process for the epoxidation of alkenes of the formula (1) where R1, R2, R3 and R4 are, independently of one another, hydrogen, C1-C20-alkyl, C1-C12-alkoxy, C6-C10-aryl, —CHOH—CH3, —CH—NH2—CH3 or carboxy, using air or oxygen over a catalyst comprising compounds of the formula (2) MoxOy(L)z  (2) where x is 1, 2 or 3, y is an integer from 0 to 2x+1, z is an integer from 1 to 2x, where the ligand L is a compound of the formula (3) or (4) where X is a nitrogen, oxygen or sulfur atom, Y is hydrogen, C1-C8-alkyl, C1-C8-alkoxy, F, Cl, Br, I, COOCH3, C6-C14-aryl or C3-C8-cycloalkyl, R7 and R8 form a ring containing from 4 to 8 carbon atoms onto which one or two aromatic rings may be fused, R5 and R6 are hydrogen, branched or straight-chain C1-C12-alkyl or branched or straight-chain C1-C12-haloalkyl which are substituents on the ring formed by R7 and R8 and/or the rings fused onto this ring, or t
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: December 4, 2001
    Assignee: Aventis Research & Technologies GmbH & Co. KG
    Inventors: Rolf Peter Schulz, Uwe Dingerdissen, Wolfgang Anton Herrmann, Gerhard Lobmaier
  • Patent number: 6248913
    Abstract: A catalyst for the selective oxidation of olefins in the presence of air or oxygen, comprising a compound of the formula (1) MoxOy(L)z  (1) where x is 1, 2 or 3, y is an integer from 0 to 2x+1, z is an integer from 1 to 2x, wherein the ligand L is a compound of the formula (2) or (3)  where n is 0 or 1, X is a nitrogen, oxygen or sulfur atom, Y is hydrogen, C1-C8-alkyl, C1-C8-alkoxy, F, Cl, Br, I, COOCH3, C6-C14-aryl or C3-C8-cycloalkyl, R3 and R4 form a ring containing from 4 to 8 carbon atoms onto which one or two aromatic rings may be fused, R1 and R2 are hydrogen, branched or straight-chain C1-C12-alkyl or branched or straight-chain C1-C12-haloalkyl which substitute the ring formed by R3 and R4 and/or the rings fused onto this ring, or the ligand L is a compound of the formula (4) or (5) where R is hydrogen, C1-C8-alkyl, C1-C8-alkoxy, COOCH3, carbonyl oxygen, C6-C14-aryl or C3-C8-cycloalkyl and n is 1 or 2 and m is from 1 to 6.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: June 19, 2001
    Assignee: Aventis Research & Technologies GmbH & Co. KG
    Inventors: Gerhard Lobmaier, Wolfgang Anton Herrmann, Rolf Peter Schulz
  • Patent number: 6191312
    Abstract: A process for preparing a bicyclooctanone, in particular 1,5-dialkylbicyclo[3.2.1]octan-8-one, by reacting a bicyclooctanol, in particular dialkylbicyclo[3.2.1]octan-8-ol, with a. a catalyst applied to an active-carbon support and comprising heteropolyoxometallate anions of vanadium, molybdenum and phosphorus, and also a corresponding alkali-metal, alkaline-earth-metal and/or ammonium counter ion, and b. a gaseous, oxygen-containing oxidizing agent.
    Type: Grant
    Filed: August 3, 1999
    Date of Patent: February 20, 2001
    Assignee: Aventis Research & Technologies GmbH & Co. KG
    Inventors: Alfred Hagemeyer, Rolf Peter Schulz, Harald Werner, Uwe Dingerdissen, Klaus Kühlein, Heinz Alexander
  • Patent number: 6022986
    Abstract: The invention is directed to manganese-containing polyoxometallates of the formula (1)(Q).sub.q (Mn.sub.p A.sub.a X.sub.x Y.sub.y M.sub.m O.sub.d Z.sub.z (H.sub.2 O).sub.b)cH.sub.2 O (1)where Q is one or more cations selected from the group consisting of H, Li, K, Na, Rb, Cs, Ca, Mg, Sr, Ba, Al, PR.sup.1 R.sup.2 R.sup.3 R.sup.4 and NR.sup.1 R.sup.2 R.sup.3 R.sup.4 where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 =H or C.sub.1 -C.sub.20 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl or aryl;Mn is manganese;A is a heterometal and is one or more transition metals from transition groups II to VIII apart from Zn, in particular Ru, V, Ti, Zr, Cr, Fe, Co, Cu, Sn, Ni, Re or Os;X is one or more elements selected from the group consisting of Ga, B, P, Si, Ge, As, F, Cl, Br and I;Y is Sb, S, Te, Se and Bi;M is one or more transition metals selected from the group consisting of Mo, W, Nb, Ta and V;Z is one or more anions selected from the group consisting of OH.sup.-, F.sup.-, Cl.sup.-, Br.sup.-, I.sup.-, N.sub.3.sup.-, NO.sub.3.sup.
    Type: Grant
    Filed: April 23, 1998
    Date of Patent: February 8, 2000
    Assignee: Hoechst Research & Technology Deutschland GmbH & Co. KG
    Inventors: Bernd Scharbert, Rolf Peter Schulz, Bernt Krebs, Rainer Bohner, Christian Thulig
  • Patent number: 5928382
    Abstract: Bleach composition comprising one or more bleaching agents and one or more polyoxometallates of the formula(Q).sub.q (A.sub.a X.sub.x M.sub.m O.sub.y Z.sub.z (H.sub.2 O).sub.b.cH.sub.2 Oas bleaching catalyst, the symbols Q, A, X, M, Z, q, a, x, m, y, z, b and c being as defined in the description.
    Type: Grant
    Filed: August 22, 1996
    Date of Patent: July 27, 1999
    Assignee: Clariant GmbH
    Inventors: Gerd Reinhardt, Vera Friderichs, Bernd Scharbert, Rolf Peter Schulz, Bernt Krebs, Rainer Bohner, Christian Thulig