Granted Patent
Utility
US 5,168,048 · App. 07/687,400
Penicillin G acylase, a gene encoding the same and a method for the production of this enzyme
Inventor:
Wilhelmus J. Quax
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Apr 18, 1991
Inventor
Wilhelmus J. Quax
Assignee (at issue)
Gist-Brocades
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.