Granted Patent
Utility
US 6,488,752 · App. 09/623,082
Monoazo dyestuffs, a composition and an ink for ink jet printing comprising them
Inventors:
Mark Kenworthy, Ronald Wynford Kenyon
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Aug 28, 2000
Inventors
Mark Kenworthy
Ronald Wynford Kenyon
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.