IP Library › Granted Patent US 6,630,156
Granted Patent Utility PCT National Stage Small
US 6,630,156 · Confirmation No. 2004

PROCESS FOR PREPARING BIODEGRADABLE MICROSPHERES CONTAINING PHYSIOLOGICALLY ACTIVE AGENTS

Patented Case View Patent ↗
⬇ PDF
 Code Description Pages PDF
2013-04-09 IMIS Miscellaneous Internal Document 1 View
2001-04-23 LET. Miscellaneous Incoming Letter 35 View
Monitor This Case
Get email alerts when status or documents change.
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 application's details
Quick Facts
Patent No.
US 6,630,156
App. No.
09/762,984
Filed
2001-04-23
Granted
2003-10-07
Art Unit
1616
PTA
-5 days