Granted Patent
Utility
US 4,666,704 · App. 06/737,629
Controlled release delivery system for macromolecules
Inventors:
Mohamad D. Shalati, Kallidaikurichi N. Sivaramakrishnan
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: May 24, 1985
Inventors
Mohamad D. Shalati
Kallidaikurichi N. Sivaramakrishnan
Assignee (at issue)
International Minerals & Chemical Corp.
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.