Granted Patent
Utility
US 6,362,353 · App. 09/230,645
Manufacture of fatty acid esters of sorbitan as surfactants
Inventors:
James Ellis, Jeremy James Lewis, Roger James Beattie
Patented Case
View Patent ↗
Granted: Mar 26, 2002
Filed: Apr 22, 1999
Inventors
James Ellis
Jeremy James Lewis
Roger James Beattie
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES 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.