Granted Patent
Utility
US 6,657,093 · App. 10/171,444
Preparation of substituted aromatic compounds
Inventors:
Andreas Meudt, Michael Erbes, Klaus Forstinger
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Jun 13, 2002
Inventors
Andreas Meudt
Michael Erbes
Klaus Forstinger
Assignee (at issue)
Clariant Corporation
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.