Granted Patent
Utility
US 6,172,049 · App. 09/326,840
Phosphonic acid-based cationic lipids
Inventors:
Brian Dwyer, Alexandre V. Lehedev, Bob D. Brown, David A. Schwartz
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Jun 7, 1999
Inventors
Brian Dwyer
Alexandre V. Lehedev
Bob D. Brown
David A. Schwartz
Assignee (at issue)
Promega Biosciences, 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.