Granted Patent
Utility
US 5,068,403 · App. 07/428,193
Intermediates useful in the production of pesticides
Inventors:
Michael Elliott, Norman F. Janes, Bhupinder P. S. Khambay
Patented Case
View Patent ↗
Granted: Nov 26, 1991
Filed: Oct 27, 1989
Inventors
Michael Elliott
Norman F. Janes
Bhupinder P. S. Khambay
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT CORPORATION
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.