Granted Patent
Utility
US 5,902,590 · App. 08/702,571
Cosmetic and/or pharmaceutical formulations
Inventors:
Heike Thomas, Achim Ansmann, Rolf Kawa, Armin Wadle, Reinhard Bunte, Udo Hees, Alfred Westfechtel
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Oct 10, 1996
Inventors
Heike Thomas
Achim Ansmann
Rolf Kawa
Armin Wadle
Reinhard Bunte
Udo Hees
Alfred Westfechtel
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.