Granted Patent
Utility
US 4,604,281 · App. 06/646,409
Cosmetic and skin treatment compositions containing acetylated sterols
Inventors:
George Endel Deckner, Clara G. Mercado, Ann Marshall Krog
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Sep 4, 1984
Inventors
George Endel Deckner
Clara G. Mercado
Ann Marshall Krog
Assignee (at issue)
Charles of the Ritz Group Ltd.
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.