Patents by Inventor Liane Franke

Liane Franke 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).

  • Catalytic composition of organotin compounds
    Patent number: 7297804
    Abstract: The present invention relates to catalytic compositions for esterification, transestrification and polycondensation reactions, a process for the catalysis of said reactions employing such catalytic compositions and polyesters for resins obtainable by this process.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: November 20, 2007
    Assignee: Chemtura Organometalics GmbH
    Inventors: Jens Röder, Andrea Kapries, Liane Franke, Oliver Schumacher, Johannes Canisius
  • Catalytic composition of organotin compounds
    Publication number: 20060047101
    Abstract: The present invention relates to catalytic compositions for esterification, transestrification and polycondensation reactions, a process for the catalysis of said reactions employing such catalytic compositions and polyesters for resins obtainable by this process.
    Type: Application
    Filed: November 25, 2003
    Publication date: March 2, 2006
    Inventors: Jens Roder, Andrea Kapries, Liane Franke, Oliver Schumacher, Johannes Canisius
  • Process for preparing monoalkyltin halides and dialkyltin halides and their use
    Patent number: 6846944
    Abstract: The invention relates to a process for the direct preparation of mixtures of monoalkyltin trichlorides RSnCl3 and dialkyltin dichlorides R2SnCl2 in one reaction step by partial alkylation of tin tetrachloride using alkylaluminum compounds in the form of their ether donor complexes, wherein an amount of ether greater than that required for stoichiometric formation of the donor complex is used in the reaction.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: January 25, 2005
    Assignee: Crompton GmbH
    Inventors: Oliver Schumacher, Liane Franke
  • Process for preparing monoalkyltin halides and dialkyltin halides and their use
    Publication number: 20040133022
    Abstract: The invention relates to a process for the direct preparation of mixtures of monoalkyltin trichlorides RSnCl3 and dialkyltin dichlorides R2SnCl2 in one reaction step by partial alkylation of tin tetrachloride using alkylaluminum compounds in the form of their ether donor complexes, wherein an amount of ether greater than that required for stoichiometric formation of the donor complex is used in the reaction.
    Type: Application
    Filed: July 23, 2003
    Publication date: July 8, 2004
    Inventors: Oliver Schumacher, Liane Franke