Granted Patent
Utility
US 6,531,615 · App. 09/771,947
Process for the oxidation of cyclohexanone to &egr;-caprolactone
Inventors:
Michael C. Rocca, Graham Carr, Arnold Lambert, Duncan James MacQuarrie, James Hanley Clark
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Jan 30, 2001
Inventors
Michael C. Rocca
Graham Carr
Arnold Lambert
Duncan James MacQuarrie
James Hanley Clark
Assignee (at issue)
SOLVAY (Société Anonyme)
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.