IP Library › Granted Patent US 6,620,902
Granted Patent Utility
US 6,620,902 · Confirmation No. 2456

PROCESS FOR PREPARING POLYCARBONATE AND APPARATUS FOR PREPARING POLYCARBONATE

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2018-08-23 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2014-03-17 OATH Oath or Declaration filed 135 View
2003-06-27 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-04-08 TRNA Transmittal of New Application 9 View
2002-04-08 ADS Application Data Sheet 3 View
2002-04-08 SPEC Specification 27 View
2002-04-08 CLM Claims 3 View
2002-04-08 ABST Abstract 2 View
2002-04-08 DRW Drawings-only black and white line drawings 2 View
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Quick Facts
Patent No.
US 6,620,902
App. No.
10/063,282
Filed
2002-04-08
Granted
2003-09-16
Pub. No.
US20030088051A1
Art Unit
1711
PTA
0 days