Granted Patent
Utility
US 6,433,230 · App. 09/716,941
Process for conducting an aldol condensation
Inventors:
Wilfried Bueschken, Klaus-Diether Wiese, Guido Protzmann
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Nov 22, 2000
Inventors
Wilfried Bueschken
Klaus-Diether Wiese
Guido Protzmann
Assignee (at issue)
OXENO OLEFINCHEMIE 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.