Patents by Inventor Frank Holter

Frank Holter 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 PREPARING AROMATIC DIAZONIUM SALTS
    Publication number: 20100041876
    Abstract: A process is described for preparing aromatic diazonium salts, wherein the starting compound is an aromatic amide and the amide bond is first split hydrolytically and the amine compound thus obtained is diazotized with an inorganic nitrite salt. The diazonium salts thus obtained can be converted to stable salts and then serve as starting materials for further reactions, such as the Heck reaction.
    Type: Application
    Filed: November 7, 2007
    Publication date: February 18, 2010
    Applicant: ZYLUM BETEILIGUNGSGESELLSCHAFT MBH & CO. PATENTE II KG
    Inventors: Bernd Schmidt, Frank Holter