Granted Patent
Utility
US 6,545,186 · App. 10/012,539
Process for the purification of ketones obtained from the corresponding terpenes by ozonolysis and reduction
Inventors:
Karlheinz Giselbrecht, Josef Schaller, Rudolf Hermanseder, Klaus Reiter
Patented Case
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Granted: Apr 8, 2003
Filed: Dec 12, 2001
Inventors
Karlheinz Giselbrecht
Josef Schaller
Rudolf Hermanseder
Klaus Reiter
Assignee (at issue)
DSM Fine Chemicals Austria NFG GmbH & Co KG
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.