Granted Patent
Utility
US 4,518,808 · App. 06/537,227
Preparation of 2,5-dichlorohydroquinone
Inventors:
Richard H. S. Wang, Garry L. Myers
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Sep 29, 1983
Inventors
Richard H. S. Wang
Garry L. Myers
Assignee (at issue)
EASTMAN KODAK 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.