Granted Patent
Utility
US 6,790,458 · App. 10/409,408
Pharmaceutical compositions using semi-solid delivery vehicle
Inventors:
Steven Y. Ng, Hui-Rong Shen, Jorge Heller
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Apr 7, 2003
Inventors
Steven Y. Ng
Hui-Rong Shen
Jorge Heller
Assignee (at issue)
A.P. PHARMA, 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.