Granted Patent
Utility
US 6,551,390 · App. 09/806,170
Composition containing two different disazodyestuffs useful for ink jet recording
Inventors:
Aidan Joseph Lavery, Janette Watkinson, Paul Mahon
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Jun 22, 2001
Inventors
Aidan Joseph Lavery
Janette Watkinson
Paul Mahon
Assignee (at issue)
Avecia 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.