Granted Patent
Utility
US 5,494,593 · App. 08/363,190
Amphoteric surfactants-containing wax compositions, their production and their use
Inventor:
Eckart Schleusener
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Dec 22, 1994
Inventor
Eckart Schleusener
Assignee (at issue)
Clariant Finance (BVI) Limited
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.