Granted Patent
Utility
US 4,464,400 · App. 06/358,588
Skin care base material for external use
Inventors:
Kuniko Kimura, Kunihiko Ofuchi, Koichiro Oda
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Mar 16, 1982
Inventors
Kuniko Kimura
Kunihiko Ofuchi
Koichiro Oda
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.
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.