Granted Patent
Utility
US 6,825,292 · App. 10/257,161
Polymerization process
Inventor:
John Norman Reid
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Oct 9, 2002
Inventor
John Norman Reid
Assignee (at issue)
BP Chemicals 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.