Granted Patent
Utility
US 4,277,494 · App. 06/049,362
Novel esters
Inventors:
Saleem Farooq, Peter Ackermann, Jozef Drabek, Laurenz Gsell, Odd Kristiansen, Rudolf Wehrli
Patented Case
View Patent ↗
Granted: Jul 7, 1981
Filed: Jun 18, 1979
Inventors
Saleem Farooq
Peter Ackermann
Jozef Drabek
Laurenz Gsell
Odd Kristiansen
Rudolf Wehrli
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.