Granted Patent
Utility
US 6,569,410 · App. 09/958,700
Sun protection compositions containing UV protection factors and esters of hydroxycarboxylic acids and alk(en)yl oligoglycosides
Inventors:
Karl Schmid, Bernd Fabry, Josef Koester, Hermann Hensen
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Jan 28, 2002
Inventors
Karl Schmid
Bernd Fabry
Josef Koester
Hermann Hensen
Assignee (at issue)
Cognis Deutschland GmbH
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.