Granted Patent
Utility
US 4,482,502 · App. 06/488,192
Preparation of biaryl compounds
Inventor:
Venkataraman Ramachandran
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Apr 25, 1983
Inventor
Venkataraman Ramachandran
Assignee (at issue)
Ethyl 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.