Granted Patent
Utility
US 4,665,185 · App. 06/800,010
Process for preparing nitroxyls of sterically hindered amines
Inventors:
Roland A. E. Winter, Roger F. Malherbe
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Nov 20, 1985
Inventors
Roland A. E. Winter
Roger F. Malherbe
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.