Granted Patent
Utility
US 6,534,573 · App. 09/537,614
Wax compositions comprising wax and oil
Inventors:
Jean-Michel Mace, Olivier Roumache
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Mar 29, 2000
Inventors
Jean-Michel Mace
Olivier Roumache
Assignee (at issue)
SHELL OIL COMPANY
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.