Granted Patent
Utility
US 5,495,003 · App. 08/330,292
2,2'-disulfo-4,4'-substituted triazinylaminophenyl disazostilbenes
Inventors:
Reinhard Pedrazzi, Ulrich Zirngibl
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Feb 27, 1994
Inventors
Reinhard Pedrazzi
Ulrich Zirngibl
Assignee (at issue)
Sandoz AG
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.