Granted Patent
Utility
US 5,919,484 · App. 09/007,409
Controlled release, drug-delivery tableted composition including a polymer of a vinyl amide, (meth)acrylic acid, a long chain alkyl (meth)acrylate and a lower alkyl (meth)acrylate
Inventors:
Jenn S. Shih, Nadhamuni G. Nerella, Anil Menon, Sibu Chakrabarti
Patented Case
View Patent ↗
Granted: Jul 6, 1999
Filed: Jan 15, 1998
Inventors
Jenn S. Shih
Nadhamuni G. Nerella
Anil Menon
Sibu Chakrabarti
Assignee (at issue)
ISP INVESTMENTS LLC
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.