Granted Patent
Utility
US 6,287,588 · App. 09/559,507
Agent delivering system comprised of microparticle and biodegradable gel with an improved releasing profile and methods of use thereof
Inventors:
Chung Shih, Gaylen M. Zentner
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Apr 27, 2000
Inventors
Chung Shih
Gaylen M. Zentner
Assignee (at issue)
Macromed, 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.