Granted Patent
Utility
US 6,132,659 · App. 08/860,019
Production of lenticular tablets by melt calendering
Inventors:
Joerg Rosenberg, Werner Maier, Jorg Breitenbach
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jun 20, 1997
Inventors
Joerg Rosenberg
Werner Maier
Jorg Breitenbach
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.