Granted Patent
Utility
US 4,382,894 · App. 06/276,113
Production of .alpha.-cyanobenzyl esters
Inventors:
Peter Tissington, Rodney M. Giddings, Michael T. Pearse
Patented Case
View Patent ↗
Granted: May 10, 1983
Filed: Jun 22, 1981
Inventors
Peter Tissington
Rodney M. Giddings
Michael T. Pearse
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.