Granted Patent
Utility
US 5,693,677 · App. 08/647,980
Ceramide 3 derivatives based on monounsaturated fatty acids
Inventors:
Johannes Wilhelmus Jacobus Lambers, Jan Verweij
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: May 30, 1996
Inventors
Johannes Wilhelmus Jacobus Lambers
Jan Verweij
Assignee (at issue)
Gist-Brocades N.V.
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.