Granted Patent
Utility
US 5,925,340 · App. 08/892,711
Pearlescent amplifier for surfactants
Inventors:
Arturo Casares Valdes, Anil Shah, Marc Blumstein
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Jul 15, 1997
Inventors
Arturo Casares Valdes
Anil Shah
Marc Blumstein
Assignee (at issue)
Henkel 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.