Granted Patent
Utility
US 6,090,975 · App. 09/222,349
Process for the preparation of 2-acetylcarboxylic esters
Inventors:
Wolfgang Huber, Gunter Eichberger, Harald Poschko, Gerhard Burschik
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Dec 29, 1998
Inventors
Wolfgang Huber
Gunter Eichberger
Harald Poschko
Gerhard Burschik
Assignee (at issue)
DSM Fine Chemicals Austria GmbH
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.