IP Library › Granted Patent US 6,689,903
Granted Patent Utility
US 6,689,903 · Confirmation No. 8504

CRYSTALLIZATION METHOD FOR PRODUCTION OF PURIFIED AROMATIC DICARBOXYLIC ACIDS

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2011-11-21 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-11-21 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-11-09 PA.. Power of Attorney 1 View
2011-11-09 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2011-11-09 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-12-12 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-12-12 LET. Miscellaneous Incoming Letter 1 View
2002-05-30 TRNA Transmittal of New Application 1 View
2002-05-30 SPEC Specification 15 View
2002-05-30 CLM Claims 1 View
2002-05-30 ABST Abstract 1 View
2002-05-30 DRW Drawings-only black and white line drawings 1 View
2002-05-30 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,689,903
App. No.
10/159,394
Filed
2002-05-30
Granted
2004-02-10
Pub. No.
US20020198405A1
Examiner
OH, TAYLOR V
Art Unit
1625
PTA
-3 days