Granted Patent
Utility
US 6,497,886 · App. 09/269,780
1,3-bis-(N-lactamyl) propane and the pharmaceutical and cosmetic use thereof
Inventors:
Jorg Breitenbach, Siegfried Lang, Detlef Kratz
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Apr 1, 1999
Inventors
Jorg Breitenbach
Siegfried Lang
Detlef Kratz
Assignee (at issue)
BASF SE
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.