Patents by Inventor Franz Josef Weiberth

Franz Josef Weiberth 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).

  • Patent number: 5747708
    Abstract: This application relates to a retractable batch reactor sampler that is temporarily attached to a reactor, for use in sampling small volumes of a reaction mixture within a reactor on single or multiple occasions, and then detached from the reactor, all without affecting an inert gas blanket already existing within the reactor.
    Type: Grant
    Filed: November 8, 1996
    Date of Patent: May 5, 1998
    Assignee: Hoechst Marion Roussel, Inc.
    Inventor: Franz Josef Weiberth