Granted Patent
Utility
US 6,063,137 · App. 09/207,539
Process for dyeing or printing and novel reactive dyes
Inventors:
Peter Scheibli, Peter Aeschlimann, Urs Lehmann, Marcel Frick
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Dec 8, 1998
Inventors
Peter Scheibli
Peter Aeschlimann
Urs Lehmann
Marcel Frick
Assignee (at issue)
Ciba Specialty Chemicals Corporation
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.