IP Library Granted Patent US 6,441,163
Granted Patent Utility
US 6,441,163 · Confirmation No. 9898

METHODS FOR PREPARATION OF CYTOTOXIC CONJUGATES OF MAYTANSINOIDS AND CELL BINDING AGENTS

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Code Description Pages PDF
2013-06-17 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-06-17 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-04-29 PA.. Power of Attorney 2 View
2013-04-29 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2013-04-29 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-05-31 TRNA Transmittal of New Application 1 View
2001-05-31 SPEC Specification 29 View
2001-05-31 CLM Claims 7 View
2001-05-31 ABST Abstract 1 View
2001-05-31 DRW Drawings-only black and white line drawings 5 View
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Quick Facts
Patent No.
US 6,441,163
App. No.
09/867,598
Filed
2001-05-31
Granted
2002-08-27
Examiner
KIFLE, BRUCK
Art Unit
1624
PTA
-12 days