Patents by Inventor Hans-Martin Zillmann

Hans-Martin Zillmann 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).

  • Single-stage method for producing &agr;-hydroxy ethers by oxidizing C=C unsaturated compounds with hydroperoxides
    Patent number: 6608230
    Abstract: A single-stage method for producing &agr;-hydroxy ethers by oxidizing olefinic substrates with organic hydroperoxides and opening the resultant oxirane ring by means of monovalent or polyvalent alcohols wherein a molybdenum compound in combination with a compound selected from the group consisting of boron trifluoride, aluminum oxides, 1,8-diazabicyclo-[5.4.0]-undec-7-ene or 1,4-diazabicyclo-[2.2.2]-octane, and mixtures thereof is used as a catalyst system.
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: August 19, 2003
    Assignee: WE-DEA Aktiengesellschaft für Mineraloel und Chemie
    Inventors: Mark Rüsch gen. Klaas, Siegfried Warwel, Hans-Martin Zillmann, Klaus Kwetkat
  • Single-stage method for producing alpha-hydroxy ethers by oxidizing C=C unsaturated compounds with hydroperoxides
    Publication number: 20020072637
    Abstract: A single-stage method for producing &agr;-hydroxy ethers by oxidizing olefinic substrates with organic hydroperoxides and opening the resultant oxirane ring by means of monovalent or polyvalent alcohols wherein a molybdenum compound in combination with a compound selected from the group consisting of boron trifluoride, aluminum oxides, 1,8-diazabicyclo-[5.4.0]-undec-7-ene or 1,4-diazabicyclo-[2.2.2]-octane, and mixtures thereof is used as a catalyst system.
    Type: Application
    Filed: November 8, 2001
    Publication date: June 13, 2002
    Inventors: Mark Rusch gen. Klaas, Siegfried Warwel, Hans-Martin Zillmann, Klaus Kwetkat
  • Single-stage method for producing &agr;-hydroxy ethers by oxidizing C=C-unsaturated compounds with hydroperoxides
    Patent number: 6380439
    Abstract: A single-stage method for producing &agr;-hydroxy ethers by oxidizing olefinic substrates with organic hydroperoxides and opening the resultant oxirane ring by means of monovalent or polyvalent alcohols wherein a molybdenum compound in combination with a compound selected from the group consisting of boron trifluoride, aluminum oxides, 1,8-diazabicyclo-[5.4.0]-undec-7-ene or 1,4-diazabicyclo-[2.2.2]-octane, and mixtures thereof is used as a catalyst system.
    Type: Grant
    Filed: January 25, 2000
    Date of Patent: April 30, 2002
    Assignee: RWE-DEA Aktiengesellschaft fur Mineraloel und Chemie
    Inventors: Mark Rüsch gen. Klaas, Siegfried Warwel, Hans-Martin Zillmann, Klaus Kwetkat