Granted Patent
Utility
US 5,925,603 · App. 08/990,491
Stable liquid delivery system for acyl isethionates
Inventor:
Paul F. D'Angelo
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Dec 15, 1997
Inventor
Paul F. D'Angelo
Assignee (at issue)
Rhodia, Inc.
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.