Granted Patent
Utility
US 4,943,636 · App. 07/095,387
Certain pyridyl-di-sulfide-alkylenecarbonxylate-ortho-nitro-phenylsulfonic acid esters useful for coupling biological materials
Inventors:
Danute E. Nitecki, Lois Aldwin
Patented Case
View Patent ↗
Granted: Jul 24, 1990
Filed: Sep 10, 1987
Inventors
Danute E. Nitecki
Lois Aldwin
Assignee (at issue)
Cetus Corporation
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.