Granted Patent
Utility
US 5,395,925 · App. 08/030,929
Asymmetric sulfo group-containing disazo compounds containing two 6-halo-1,3,5-triazinyl groups
Inventors:
Werner Koch, Kurt Brenneisen
Patented Case
View Patent ↗
Granted: Mar 7, 1995
Filed: Mar 12, 1993
Inventors
Werner Koch
Kurt Brenneisen
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.