IP Library › Granted Patent US 6,489,472
Granted Patent Utility
US 6,489,472 · Confirmation No. 9075

PROCESS FOR PREPARATION OF N-1 PROTECTED N RING NITROGEN CONTAINING CYCLIC POLYAMINES AND PRODUCTS THEREOF

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2011-07-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-07-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-06-28 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2011-06-28 PA.. Power of Attorney 1 View
2011-06-28 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-04-19 PET.POA.WDRW Request for withdrawal as attorney or agent 2 View
2011-04-19 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2011-04-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-04-19 TRAN.LET Transmittal Letter 1 View
2001-09-28 TRNA Transmittal of New Application 2 View
2001-09-28 ADS Application Data Sheet 2 View
2001-09-28 SPEC Specification 22 View
2001-09-28 CLM Claims 9 View
2001-09-28 ABST Abstract 1 View
2001-09-28 DRW Drawings-only black and white line drawings 3 View
2001-09-28 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,489,472
App. No.
09/970,288
Filed
2001-09-28
Granted
2002-12-03
Pub. No.
US20020058807A1
Examiner
KIFLE, BRUCK
Art Unit
1624
PTA
-7 days