Granted Patent
Utility
US 4,885,164 · App. 07/136,673
Aqueous protein solutions stable to denaturation
Inventor:
Horst Thurow
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Dec 22, 1987
Inventor
Horst Thurow
Assignee (at issue)
Hoechst GmbH
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.