Patents by Inventor Dirk Theis

Dirk Theis 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: 20240083889
    Abstract: This invention relates to a synthetic method for the preparation of Compound 1 and precursors thereof. Compound 1 is prepared via reaction of isoxazole 2 with phenylether (R)-3-ONa.
    Type: Application
    Filed: August 24, 2023
    Publication date: March 14, 2024
    Inventors: Katrin BAER, Gisela BODENBACH, Jack Delbert BROWN, Rosemarie Karoline COLLET, Daniel HERKOMMER, Rogelio P. FRUTOS, Joe Ju GAO, Julia Regina GRIMM, Sandra KOCH, Sonia RODRIGUEZ, Svetlana SEHL-OLLENBERGER, Joshua Daniel SIEBER, Thomas G. TAMPONE, Ulrich THEIS, Dirk WEBER, Erik WEIS, Anke WILD
  • Patent number: 8809588
    Abstract: The invention relates to a process for preparing aromatic amines by catalytically hydrogenating the corresponding aromatic nitro compound, which comprises using a copper catalyst with a support comprising SiO2, the SiO2 having been prepared by wet grinding and subsequent spray drying.
    Type: Grant
    Filed: May 5, 2010
    Date of Patent: August 19, 2014
    Assignee: BASF SE
    Inventors: Lucia Konigsmann, Ekkehard Schwab, Michael Hesse, Christian Schneider, Thomas Heidemann, Celine Liekens, Jutta Bickelhaupt, Dirk Theis
  • Publication number: 20120065431
    Abstract: The invention relates to a process for preparing aromatic amines by catalytically hydrogenating the corresponding aromatic nitro compound, which comprises using a copper catalyst with a support comprising SiO2, the SiO2 having been prepared by wet grinding and subsequent spray drying.
    Type: Application
    Filed: May 5, 2010
    Publication date: March 15, 2012
    Applicant: BASF SE
    Inventors: Lucia Koenigsmann, Ekkehard Schwab, Michael Hesse, Christian Schneider, Thomas Heidemann, Celine Liekens, Jutta Bickelhaupt, Dirk Theis
  • Patent number: 5171235
    Abstract: There is described a tampon made of continuous filaments based on a man-made fiber tow with a water-holding capacity of at least 1000% by weight, the tampon consisting essentially of continuous filaments in a perpendicular arrangement relative to the longitudinal axis of the tampon with essentially only one free filament end at the surface per filament while the other free filament end is on the inside.
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: December 15, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Dirk Theis, Walter Fester