IP Library Granted Patent US 6,476,237
Granted Patent Utility
US 6,476,237 · Confirmation No. 2093

PURIFICATION OF ALKYLENE CARBONATES

⬇ PDF
Code Description Pages PDF
2002-02-26 TRNA Transmittal of New Application 2 View
2002-02-26 ADS Application Data Sheet 3 View
2002-02-26 SPEC Specification 17 View
2002-02-26 CLM Claims 3 View
2002-02-26 ABST Abstract 1 View
2002-02-26 DRW Drawings-only black and white line drawings 3 View
2002-02-26 OATH Oath or Declaration filed 7 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 6,476,237
App. No.
10/083,230
Filed
2002-02-26
Granted
2002-11-05
Pub. No.
US20020082430A1
Art Unit
1626
PTA
-93 days