Granted Patent
Utility
US 6,214,609 · App. 09/071,620
Method and apparatus for preparation of chiral beta amino acids using penicilln G acylase
Inventors:
Bryan H. Landis, John S. Ng, Ravindra S. Topgi, Edward Yonan, Ping T. Wang
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: May 1, 1998
Inventors
Bryan H. Landis
John S. Ng
Ravindra S. Topgi
Edward Yonan
Ping T. Wang
Assignee (at issue)
Monsanto 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.