Granted Patent
Utility
US 6,562,082 · App. 09/673,648
Disperse dye mixture
Inventors:
Alan T. Leaver, David Brierley
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Nov 1, 2000
Inventors
Alan T. Leaver
David Brierley
Assignee (at issue)
BASF SE
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.