Patents by Inventor Kathe Baumann

Kathe Baumann 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).

  • Fluorine-containing bisphenols, their preparation, their precursors and intermediates, and use of the fluorine-containing bisphenols
    Publication number: 20070270618
    Abstract: This invention relates to 1,2-di(4-hydroxyaryl)tetrafluoroethanes of the general formula (I) wherein R are each, independently of one another, hydrogen, F, Cl, Br, I, CN, COOR2, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-alkylthio, C1-C4-perfluoroalkyl, C1-C4-perfluoroalkoxy, C1-C4-perfluoroalkylthio, C1-C4-polyfluoroalkyl, C1-C4-polyfluoroalkoxy, or C1-C4-polyfluoroalkylthio, R2 is C1-C4-alkyl, and n is an integer from 0 to 4. This invention further relates to the preparation of such compounds as well as to precursors and intermediates that can be used in their preparation.
    Type: Application
    Filed: July 30, 2007
    Publication date: November 22, 2007
    Inventors: Albrecht Marhold, Kathe Baumann
  • Fluorine-containing bisphenols, their preparation, their precursors and intermediates, and use of the fluorine-containing bisphenols
    Publication number: 20060266985
    Abstract: This invention relates to 1,2-di(4-hydroxyaryl)tetrafluoroethanes of the general formula (I) wherein R are each, independently of one another, hydrogen, F, Cl, Br, I, CN, COOR2, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-alkylthio, C1-C4-perfluoroalkyl, C1-C4-perfluoroalkoxy, C1-C4-perfluoroalkylthio, C1-C4-polyfluoroalkyl, C1-C4-polyfluoroalkoxy, or C1-C4-polyfluoroalkylthio, R2 is C1-C4-alkyl, and n is an integer from 0 to 4. This invention further relates to the preparation of such compounds as well as to precursors and intermediates that can be used in their preparation.
    Type: Application
    Filed: August 3, 2006
    Publication date: November 30, 2006
    Inventors: Albrecht Marhold, Kathe Baumann
  • Fluorine-containing bisphenols, their preparation, their precursors and intermediates, and use of the fluorine-containing bisphenols
    Publication number: 20050230669
    Abstract: This invention relates to 1,2-di(4-hydroxyaryl)tetrafluoroethanes of the general formula (I) wherein R are each, independently of one another, hydrogen, F, Cl, Br, I, CN, COOR2, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-alkylthio, C1-C4-perfluoro-alkyl, C1-C4-perfluoroalkoxy, C1-C4-perfluoroalkylthio, C1-C4-poly-fluoroalkyl, C1-C4-polyfluoroalkoxy, or C1-C4-polyfluoroalkylthio, R2 is C1-C4-alkyl, and n is an integer from 0 to 4. This invention further relates to the preparation of such compounds as well as to precursors and intermediates that can be used in their preparation.
    Type: Application
    Filed: June 13, 2005
    Publication date: October 20, 2005
    Inventors: Albrecht Marhold, Kathe Baumann
  • Process for preparing fluorine-containing benzaldehydes
    Publication number: 20030125583
    Abstract: The invention relates to a particularly advantageous preparation of fluorine-containing benzaldehydes by reacting a corresponding aromatic acid chloride with hydrogen in the presence of a supported palladium catalyst and a catalyst moderator.
    Type: Application
    Filed: January 30, 2003
    Publication date: July 3, 2003
    Inventors: Kathe Baumann, Albrecht Marhold
  • Fluorine-containing bisphenols, their preparation, their precursors and intermediates, and use of the fluorine-containing bisphenols
    Publication number: 20030009060
    Abstract: This invention relates to 1,2-di(4-hydroxyaryl)tetrafluoroethanes of the general formula (I) 1
    Type: Application
    Filed: May 29, 2002
    Publication date: January 9, 2003
    Inventors: Albrecht Marhold, Kathe Baumann
  • Flame retardants which contain phosphorus, and flame-retardant thermoplastic molding compositions
    Publication number: 20020137821
    Abstract: An oligophosphate of general formula 1
    Type: Application
    Filed: January 4, 2002
    Publication date: September 26, 2002
    Inventors: Andreas Seidel, Kathe Baumann, Thomas Eckel, Michael Zobel, Jorn Stolting, Dieter Wittmann
  • Process for preparing fluorine-containing benzaldehydes
    Publication number: 20020038055
    Abstract: The invention relates to a particularly advantageous preparation of fluorine-containing benzaldehydes by reacting a corresponding aromatic acid chloride with hydrogen in the presence of a supported palladium catalyst and a catalyst moderator.
    Type: Application
    Filed: September 21, 2001
    Publication date: March 28, 2002
    Inventors: Kathe Baumann, Albrecht Marhold