IP Library Granted Patent US 6,486,222
Granted Patent Utility
US 6,486,222 · Confirmation No. 8959

COMBINATION ION EXCHANGE RESIN BED FOR THE SYNTHESIS OF BISPHENOL A

⬇ PDF
Code Description Pages PDF
2014-03-17 OATH Oath or Declaration filed 135 View
2001-04-09 TRNA Transmittal of New Application 5 View
2001-04-09 SPEC Specification 10 View
2001-04-09 CLM Claims 2 View
2001-04-09 ABST Abstract 1 View
2001-04-09 OATH Oath or Declaration filed 12 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 6,486,222
App. No.
09/828,721
Filed
2001-04-09
Granted
2002-11-26
Pub. No.
US20020147241A1
Art Unit
1713
PTA
-77 days