Patents by Inventor Robert Jean Marie Denis Pirotte

Robert Jean Marie Denis Pirotte 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 radiopharmaceuticals
    Patent number: 6447747
    Abstract: Process for the preparation of radiohalogenated radiopharmaceuticals by an electrophillic substitution, preferably halogenodestannylation reactions, by the reaction of an organometallic substituted precursor, preferably a trialkyl tin substituted precursor, with a radioactive halogen, preferably a radioactive iodine, astatine or bromine composition, in the presence of a catalytically effective amount of an anion selected from the group consisting of bromide, chloride and nitrite anion in an acid medium with an oxidizing agent.
    Type: Grant
    Filed: October 28, 1997
    Date of Patent: September 10, 2002
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Robert Jean Marie Denis Pirotte, David Peter Nowotnik, Brian Fredrick Abeysekera