Granted Patent
Utility
US 4,009,191 · App. 05/513,363
Bromoethyl diester of sulfoacetic acid
Inventor:
Don R. Baker
Patented Case
View Patent ↗
Granted: Feb 22, 1977
Filed: Oct 9, 1974
Inventor
Don R. Baker
Assignee (at issue)
Stauffer 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.