IP Library › Granted Patent US 6,670,406
Granted Patent Utility
US 6,670,406 · Confirmation No. 3666

PROCESS FOR PRODUCING POLYETHER POLYOLS

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2006-11-21 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2006-06-07 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-11-06 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-02-19 TRNA Transmittal of New Application 2 View
2002-02-19 SPEC Specification 14 View
2002-02-19 CLM Claims 2 View
2002-02-19 ABST Abstract 1 View
2002-02-19 DRW Drawings-only black and white line drawings 2 View
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Quick Facts
Patent No.
US 6,670,406
App. No.
10/077,855
Filed
2002-02-19
Granted
2003-12-30
Pub. No.
US20020198278A1
Art Unit
1711
PTA
-5 days