Granted Patent
Utility
US 5,773,632 · App. 08/883,594
Process for the preparation of the enol lactone of 2-oxocyclohexlidene acetic acid and application to the preparation of 2-cuomaranone
Inventors:
Nathalie Carmona, Laurent Carmona, Alain Perrard, Jean-Claude Vallejos
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Jun 26, 1997
Inventors
Nathalie Carmona
Laurent Carmona
Alain Perrard
Jean-Claude Vallejos
Assignee (at issue)
Clariant Chimie S.A.
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.