Patents by Inventor Reinhardt Handte

Reinhardt Handte 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 the preparation of 2-chlorobenzoxazoles
    Patent number: 4714766
    Abstract: The process for the preparation of 2-chlorobenzoxazoles of the formula ##STR1## wherein R.sup.1 and R.sup.2, independently of one another, are hydrogen or halogen comprising reacting a benzoxazolinone of the formula ##STR2## with a molar excess of phosphorus pentachloride.
    Type: Grant
    Filed: July 14, 1986
    Date of Patent: December 22, 1987
    Assignee: Cassella Aktiengesellschaft
    Inventors: Johannes Becherer, Reinhardt Handte, Hans J. Nestler, Ulrich Kussmaul