Granted Patent
Utility
US 6,770,704 · App. 10/297,324
Thickeners
Inventors:
David Cartridge, Dean Thetford, John D. Schofield, Paul Gough, Stuart N. Richards
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Dec 5, 2002
Inventors
David Cartridge
Dean Thetford
John D. Schofield
Paul Gough
Stuart N. Richards
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.