Granted Patent
Utility
US 6,069,135 · App. 07/675,908
Use of hyaluronic acid or its derivatives to enhance delivery of therapeutic agents
Inventors:
Rudolf Edgar Falk, Samuel Simon Asculai
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Jul 3, 1991
Inventors
Rudolf Edgar Falk
Samuel Simon Asculai
Assignee (at issue)
Hyal Pharmaceutical 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.