Granted Patent
Utility
US 5,055,563 · App. 07/538,056
Continuous preparation of aromatic diazonium fluoride salts from corresponding aromatic amines
Inventors:
Bruce J. Lamb, Nickolas J. Stepaniuk
Patented Case
View Patent ↗
Granted: Oct 8, 1991
Filed: Jun 13, 1990
Inventors
Bruce J. Lamb
Nickolas J. Stepaniuk
Assignee (at issue)
Mallinckrodt Specialty Chemicals Company
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.