Granted Patent
Utility
US 6,399,087 · App. 09/745,018
Propofol formulation with enhanced microbial inhibition
Inventors:
Jack Yongfeng Zhang, Jie Fei Ding, Mary Zi-ping Luo
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Dec 20, 2000
Inventors
Jack Yongfeng Zhang
Jie Fei Ding
Mary Zi-ping Luo
Assignee (at issue)
Amphastar Pharmaceuticals, 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.