Granted Patent
Utility
US 4,940,799 · App. 07/218,189
Preparation of the diastereomeric mixture 2R,4S-1-[2-(2,4-dichlorophenyl)-4-n-propyl-1,3-dioxolan-2-ylmethyl]-1H-1 ,2,4-triazole
Inventors:
Rudolf Aebi, Adolf Hubele, Jurg Speich
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Jul 13, 1988
Inventors
Rudolf Aebi
Adolf Hubele
Jurg Speich
Assignee (at issue)
Ciba-Geigy
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.