Granted Patent
Utility
US 5,766,269 · App. 08/613,569
Cationic dyes, their production and use
Inventors:
Jordi Berenguer, Manuel Jose Domingo, Jose Rocas
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Mar 11, 1996
Inventors
Jordi Berenguer
Manuel Jose Domingo
Jose Rocas
Assignee (at issue)
Clariant Finance (BVI) Limited
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.