Granted Patent
Utility
US 5,834,439 · App. 08/782,783
Highly packed polycationic ammonium, sulfonium and phosphonium lipids
Inventors:
Alberto Haces, Valentina C. Ciccarone
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Jan 13, 1997
Inventors
Alberto Haces
Valentina C. Ciccarone
Assignee (at issue)
LIFE TECHNOLOGIES CORPORATION
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.