Granted Patent
Utility
US 5,614,613 · App. 08/205,113
Monoazo reactive dyes
Inventor:
John A. Taylor
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Mar 3, 1994
Inventor
John A. Taylor
Assignee (at issue)
Zeneca 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.