Granted Patent
Utility
US 6,423,874 · App. 09/506,984
Process for obtaining fragrant ketone
Inventors:
Mark B. Erman, Melissa J. Williams, Carlos G. Cardenas
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Feb 18, 2000
Inventors
Mark B. Erman
Melissa J. Williams
Carlos G. Cardenas
Assignee (at issue)
Millennium Specialty Chemicals, Inc.
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.