IP Library Granted Patent US 6,635,180
Granted Patent Utility
US 6,635,180 · Confirmation No. 6998

PROCESS AND APPARATUS FOR THE PURIFICATION AND/OR TREATMENT OF SUSPENSIONS

⬇ PDF
Code Description Pages PDF
2003-08-25 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-01-18 TRNA Transmittal of New Application 2 View
2001-01-18 A.PE Preliminary Amendment 6 View
2001-01-18 SPEC Specification 15 View
2001-01-18 CLM Claims 7 View
2001-01-18 ABST Abstract 1 View
2001-01-18 DRW Drawings-only black and white line drawings 3 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 6,635,180
App. No.
09/764,957
Filed
2001-01-18
Granted
2003-10-21
Pub. No.
US20010030157A1
Art Unit
1723
PTA
-102 days