Granted Patent
Utility
US 6,093,844 · App. 09/142,783
Method of producing alkaline-earth salts of aliphatic .beta.-keto compounds
Inventors:
Gerhard Wollmann, Joerg-Dieter Klamann, Guido Sonnen
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Sep 15, 1998
Inventors
Gerhard Wollmann
Joerg-Dieter Klamann
Guido Sonnen
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.