Granted Patent
Utility
US 4,684,752 · App. 06/858,473
Di-ortho-substituted di-meta-halogenated para-halomethylphenols
Inventor:
Abel Mendoza
Patented Case
View Patent ↗
Granted: Aug 4, 1987
Filed: Apr 30, 1986
Inventor
Abel Mendoza
Assignee (at issue)
THE DOW CHEMICAL 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.