IP Library Granted Patent US 6,649,670
Granted Patent Utility
US 6,649,670 · Confirmation No. 4494

CONTINUOUS NEAT POLYMERIZATION AND AMBIENT GRINDING METHODS OF POLYOLEFIN DRAG REDUCING AGENTS

Patented Case View Patent ↗
⬇ PDF
Code Description Pages PDF
2003-08-13 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-13 LET. Miscellaneous Incoming Letter 2 View
2002-12-17 TRNA Transmittal of New Application 2 View
2002-12-17 SPEC Specification 25 View
2002-12-17 CLM Claims 7 View
2002-12-17 ABST Abstract 1 View
2002-12-17 OATH Oath or Declaration filed 4 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 6,649,670
App. No.
10/321,762
Filed
2002-12-17
Granted
2003-11-18
Art Unit
1713
PTA
-120 days