Granted Patent
Utility
US 6,365,178 · App. 09/764,040
Method of making pressure sensitive adhesive matrix patches for transdermal drug delivery using hydrophilic salts of drugs and hydrophobic pressure sensitive adhesive dispersions
Inventors:
Srinivasan Venkateshwaran, David Fikstad, Charles D. Ebert
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Jan 17, 2001
Inventors
Srinivasan Venkateshwaran
David Fikstad
Charles D. Ebert
Assignee (at issue)
Watson Pharmaceuticals, Inc.
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.