Granted Patent
Utility
US 6,417,407 · App. 09/502,082
Method of making 2-bromo-4-chloro substituted phenols
Inventors:
Bao-Guo Huang, Lawrence B. Fertel
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Feb 10, 2000
Inventors
Bao-Guo Huang
Lawrence B. Fertel
Assignee (at issue)
Gabriel Performance Products, LLC
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.