United States Patent and Trademark Office OG Notices: 01 June 2004

                                    Erratum

   In the Reissue Notice, for patent number 6,641,410, appearing in
the Official Gazette on July 08, 2003, the patent number was erroneously
stated as 6,641,410. The correct patent number is 6,333,410. The title
erroneously stated "PROCESS FOR THE PREPARATION AND PURIFICATION OF
THIOL-CONTAINER MAYTANSINOIDS." The correct title is "PROCESS FOR THE
PREPARATION AND PURIFICATION OF THIOL-CONTAINING MAYTANSINOIDS." The
inventor's name erroneously stated "Ravi Vankeeperam, Jagannatha Chari."
The correct inventor's name is "Ravi Vankeepuram Jagannatha Chari."