IP Library › Granted Patent US 6,720,400
Granted Patent Utility
US 6,720,400 · Confirmation No. 1313

PROCESS FOR THE PREPARATION OF POLYISOCYANATES WITH A BIURET STRUCTURE

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 Code Description Pages PDF
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
2004-10-08 WFEE Fee Worksheet (SB06) 1 View
2003-10-14 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-10-14 A.NA Amendment after Notice of Allowance (Rule 312) 1 View
2003-10-14 REM Applicant Arguments/Remarks Made in an Amendment 3 View
2001-05-15 TRNA Transmittal of New Application 2 View
2001-05-15 SPEC Specification 17 View
2001-05-15 CLM Claims 2 View
2001-05-15 ABST Abstract 1 View
2001-05-15 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,720,400
App. No.
09/858,057
Filed
2001-05-15
Granted
2004-04-13
Pub. No.
US20010056169A1
Examiner
OH, TAYLOR V
Art Unit
1625
PTA
-163 days