Patents by Inventor Lothar Fisch

Lothar Fisch 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).

  • Process for forming 2-hydroxypyridine-1-oxide or derivatives thereof
    Patent number: 11753379
    Abstract: A process for forming 2-hydroxypyridine-1-oxide or derivatives thereof, the process comprising inter alia providing a solution comprising at least one compound according to Formula (1) and recovering a compound according to Formula (2) Also related products, uses, methods and compositions.
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: September 12, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Ute Back, Dirk Fischer, Sidonie Vollrath, Lothar Fisch, Thierry Muller
  • PROCESS FOR FORMING 2-HYDROXYPYRIDINE-1-OXIDE OR DERIVATIVES THEREOF
    Publication number: 20210214307
    Abstract: A process for forming 2-hydroxypyridine-1-oxide or derivatives thereof, the process comprising inter alia providing a solution comprising at least one compound according to Formula (1) and recovering a compound according to Formula (2) Also related products, uses, methods and compositions.
    Type: Application
    Filed: May 27, 2019
    Publication date: July 15, 2021
    Applicant: Clariant International Ltd.
    Inventors: Ute BACK, Dirk FISCHER, Sidonie VOLLRATH, Lothar FISCH, Thierry MULLER
  • Preparation of substituted indenes
    Patent number: 7199274
    Abstract: The present invention relates to a simple process for preparing specifically substituted indenes of the formula (I) or (Ia) to compounds of the formula (II) serving as starting materials and to the use of the compounds of the formula (II) as starting materials for the synthesis of substituted indenes.
    Type: Grant
    Filed: October 18, 2003
    Date of Patent: April 3, 2007
    Assignee: Basell Polyolefine GmbH
    Inventors: Jörg Schulte, Jörg Schottek, Lothar Fisch
  • Preparation of substituted indenes
    Publication number: 20050256344
    Abstract: The present invention relates to a simple process for preparing specifically substituted indenes of the formula (I) or (Ia) to compounds of the formula (II) serving as starting materials and to the use of the compounds of the formula (II) as starting materials for the synthesis of substituted indenes.
    Type: Application
    Filed: October 18, 2003
    Publication date: November 17, 2005
    Applicant: Basell Polyolefine GmbH
    Inventors: Jorg Schulte, Jorg Schottek, Lothar Fisch