Granted Patent
Utility
US 5,801,022 · App. 08/474,968
Method of producing a product with crosslinked crystals of thermolysin
Inventors:
Manuel A. Navia, Nancy L. St. Clair
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Jun 7, 1995
Inventors
Manuel A. Navia
Nancy L. St. Clair
Assignee (at issue)
Vertex Pharmaceuticals Incorporated
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.