IP Library › Granted Patent US 6,627,575
Granted Patent Utility
US 6,627,575 · Confirmation No. 5537

DOUBLE METAL CYANIDE COMPLEX CATALYST FOR PRODUCING POLYOL

Inventors: Il Kim, Sang Hyun Lee
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2007-05-25 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-07-11 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-11 LET. Miscellaneous Incoming Letter 1 View
2003-07-11 DRW Drawings-only black and white line drawings 1 View
2003-06-20 LET. Miscellaneous Incoming Letter 1 View
2003-06-20 FRPR Certified Copy of Foreign Priority Application 22 View
2002-03-29 TRNA Transmittal of New Application 13 View
2002-03-29 ADS Application Data Sheet 3 View
2002-03-29 A.PE Preliminary Amendment 5 View
2002-03-29 SPEC Specification 14 View
2002-03-29 CLM Claims 1 View
2002-03-29 ABST Abstract 1 View
2002-03-29 DRW Drawings-only black and white line drawings 1 View
2002-03-29 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,627,575
App. No.
10/112,843
Filed
2002-03-29
Granted
2003-09-30
Pub. No.
US20020177523A1
Art Unit
1755
PTA
-73 days