Granted Patent
Utility
US 6,605,142 · App. 09/856,964
Chemical composition for ink
Inventors:
Mark Kenworthy, Neil Anthony Tallant, Philip Alexander MACFAUL
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: May 30, 2001
Inventors
Mark Kenworthy
Neil Anthony Tallant
Philip Alexander MACFAUL
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.