Granted Patent
Utility
US 6,436,402 · App. 09/684,233
Process for making human papillomavirus virus-like particles with improved properties
Inventors:
Qinjian Zhao, Shilu Wu, Walter Manger, Shishir Gadam
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Oct 6, 2000
Inventors
Qinjian Zhao
Shilu Wu
Walter Manger
Shishir Gadam
Assignee (at issue)
MERCK & CO., 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.