Granted Patent
Utility
US 6,228,894 · App. 09/272,893
Softgel-compatible composition containing retinol
Inventors:
Marie A. Rinaldi, Subhash J. Saxena, Paul C. Tutschek
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Mar 19, 1999
Inventors
Marie A. Rinaldi
Subhash J. Saxena
Paul C. Tutschek
Assignees (at issue)
Enhanced Derm Technologies, Inc.
R.P. Scherer Corporation
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.