Granted Patent
Utility
US 5,773,073 · App. 07/945,586
Water-in-oil emulsion containing a polyglycerol fatty acid ester having erucic acid as the main fatty acid component
Inventors:
Koji Matsuda, Miwako Kitao
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Sep 16, 1992
Inventors
Koji Matsuda
Miwako Kitao
Assignee (at issue)
MITSUBISHI CHEMICAL CORPORATION
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.