Granted Patent
Utility
US 6,316,019 · App. 09/449,132
Process for adding pharmaceutically active compounds to substrates
Inventor:
Ching-Yun M. Yang
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Nov 24, 1999
Inventor
Ching-Yun M. Yang
Assignee (at issue)
McNeil-PPC, Inc.
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.