Patents by Inventor Christiane Stelter

Christiane Stelter 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 improving secondary coffee extracts in the production of soluble coffee
    Patent number: 5229155
    Abstract: In a process for deacidifying and improving the flavor of so called secondary extracts obtained in the production of instant coffees, the secondary extracts are pumped over alkaline molecular sieves and are therewith completely or partially liberated from acids and flavor-impeding organic compounds.
    Type: Grant
    Filed: September 5, 1991
    Date of Patent: July 20, 1993
    Assignee: Jacobs Suchard AG
    Inventors: Claus Weisemann, Klaus D. Koch, Christiane Stelter