IP Library › Granted Patent US 5,227,169
Granted Patent Utility
US 5,227,169 · App. 07/848,110

Sorbitan esters as skin permeation enhancers

Inventors: Sonia J. Heiber, Dinesh C. Patel, Charles D. Ebert
Patented Case View Patent ↗
Granted: Jul 13, 1993 Filed: Mar 9, 1992
Inventors
Sonia J. Heiber
Dinesh C. Patel
Charles D. Ebert
Assignee (at issue)
TheraTech, Inc.

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Quick Facts
Patent No.
US 5,227,169
App. No.
07/848,110
Filed
1992-03-09
Granted
1993-07-13
Kind
A