IP Library › Granted Patent US 6,696,383
Granted Patent Utility
US 6,696,383 · Confirmation No. 2520

DOUBLE-METAL CYANIDE CATALYSTS WHICH CAN BE USED TO PREPARE POLYOLS AND THE PROCESSES RELATED THERETO

Inventors: Bi Le-Khac, Wei Wang
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2009-12-07 TRAN.LET Transmittal Letter 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
2003-11-24 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-09-20 TRNA Transmittal of New Application 2 View
2002-09-20 SPEC Specification 26 View
2002-09-20 CLM Claims 4 View
2002-09-20 ABST Abstract 1 View
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Quick Facts
Patent No.
US 6,696,383
App. No.
10/251,155
Filed
2002-09-20
Granted
2004-02-24
Art Unit
1755
PTA
0 days