Granted Patent
Utility
US 6,541,631 · App. 09/579,796
Methods of separating FTC isomers and derivatives thereof
Inventors:
Salah A. Zahr, David A. Swanson, Adel Moussa, Luning Han
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: May 26, 2000
Inventors
Salah A. Zahr
David A. Swanson
Adel Moussa
Luning Han
Assignee (at issue)
Pharm-Eco Laboratories, 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.