Granted Patent
Utility
US 6,340,778 · App. 09/694,350
Process for catalytic aldol condensations by means of a multiphase reaction
Inventors:
Wilfried Bueschken, Klaus-Diether Wiese, Guido Protzmann, Juergen Koch
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Oct 24, 2000
Inventors
Wilfried Bueschken
Klaus-Diether Wiese
Guido Protzmann
Juergen Koch
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.