Patents by Inventor Anton H. Gayring

Anton H. Gayring 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).

  • METHODS FOR THE PREPARATION OF BENDAMUSTINE
    Publication number: 20130310571
    Abstract: Improved methods for the preparation and purification of bendamustine hydrochloride are described; such as method of preparing bendamustine hydrochloride comprising contacting a compound of formula HBI: with thionyl chloride
    Type: Application
    Filed: January 18, 2012
    Publication date: November 21, 2013
    Applicant: Cephalon, Inc
    Inventors: Anton H. Gayring, Scott A. Miller