IP Library Granted Patent US 6,548,084
Granted Patent Utility
US 6,548,084 · App. 09/391,796

Controlled release compositions

Inventors: Graham Leonard, David Elder
Patented Case View Patent ↗
Granted: Apr 15, 2003 Filed: Sep 9, 1999
Inventors
Graham Leonard
David Elder
Assignee (at issue)
SmithKline Beeacham P.L.C.

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,548,084
App. No.
09/391,796
Filed
1999-09-09
Granted
2003-04-15
Kind
B2