Patents by Inventor Stefanie Sturm

Stefanie Sturm 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).

  • PLATINUM-SULFUR-BASED SHELL CATALYST, PRODUCTION AND USE THEREOF IN THE DEHYDROGENATION OF HYDROCARBONS
    Publication number: 20210077984
    Abstract: The invention relates to the use of a supported, platinum-containing and sulfur-containing shell catalyst for the partial or complete dehydrogenation of perhydrogenated or partially hydrogenated cyclic hydrocarbons. The present invention also relates to a method for producing a platinum-containing and sulfur-containing shell catalyst and to a platinum-containing and sulfur-containing shell catalyst. The present invention further relates to a method for the partial or complete dehydrogenation of perhydrogenated or partially hydrogenated cyclic hydrocarbons.
    Type: Application
    Filed: April 10, 2019
    Publication date: March 18, 2021
    Inventors: Normen SZESNI, Franziska FRANKL, Stefanie STURM, Peter WASSERSCHEID, Alexander SEIDEL, Andreas BOESMANN
  • Process for the production of substituted 10-chloro-phenoxaphosphines or 10-bromo-phenoxaphosphines
    Patent number: 6407290
    Abstract: An efficient process for the production of substituted 10-chloro-phenoxaphosphines or 10 bromo-phenoxaphosphines by reaction of substituted diphenyl ethers with phosphorus trihalogenide in the presence of at least one Lewis acid and subsequent treatment with an amine.
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: June 18, 2002
    Assignee: Celanese Chemicals Europe GmbH
    Inventors: Jurgen Herwig, Peter Skutta, Stefanie Sturm
  • Process for the production of substituted 10-chloro-phenoxaphosphines or 10-bromo-phenoxaphosphines
    Publication number: 20010047114
    Abstract: An efficient process for the production of substituted 10-chloro-phenoxaphosphines or 10 bromo-phenoxaphosphines by reaction of substituted diphenyl ethers with phosphorus trihalogenide in the presence of at least one Lewis acid and subsequent treatment with an amine.
    Type: Application
    Filed: April 30, 2001
    Publication date: November 29, 2001
    Inventors: Jurgen Herwig, Peter Skutta, Stefanie Sturm