Granted Patent
Utility
US 5,527,886 · App. 07/899,570
Dyes containing 5-cyano-2,4 or 4,6-dichloropyrimidyl fiber-reactive groups
Inventors:
Gunther Auerbach, Markus Dorr, Paul Doswald, Markus Gisler, Werner Koch, Helmut Moser, Roland Wald
Patented Case
View Patent ↗
Granted: Jun 18, 1996
Filed: Jun 16, 1992
Inventors
Gunther Auerbach
Markus Dorr
Paul Doswald
Markus Gisler
Werner Koch
Helmut Moser
Roland Wald
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.