IP Library › Granted Patent US 6,770,219
Granted Patent Utility
US 6,770,219 · Confirmation No. 9304

COMPOSITION AND METHOD FOR PREVENTING FOULING IN (METH)ACRYLIC ACID PROCESSES

Inventor: David Youdong Tong
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2005-09-12 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2004-01-02 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-01-02 OATH Oath or Declaration filed 6 View
2002-10-15 TRNA Transmittal of New Application 2 View
2002-10-15 SPEC Specification 16 View
2002-10-15 CLM Claims 7 View
2002-10-15 ABST Abstract 1 View
2002-10-15 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,770,219
App. No.
10/271,962
Filed
2002-10-15
Granted
2004-08-03
Pub. No.
US20040072974A1
Art Unit
1713
PTA
0 days