Granted Patent
Utility
US 6,284,894 · App. 09/466,222
Preparation of allylic aromatic compounds
Inventors:
Fredrik Ek, Lars-Goran Wistrand
Patented Case
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Granted: Sep 4, 2001
Filed: Dec 17, 1999
Inventors
Fredrik Ek
Lars-Goran Wistrand
Assignee (at issue)
NYCOMED IMAGING AS
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.