Exhibit 21.1

SUBSIDIARIES OF MILLIPORE CORPORATION

Company Name	Jurisdiction of Organization
Bioprocessing Corporation Limited	United Kingdom
Bioprocessing Limited	United Kingdom
Celliance Lawrence, Inc.	Delaware
Celliance Limited	United Kingdom
Celliance Toronto, Inc.	Canada
Chemicon Australia	Australia
Chemicon Europe Limited	United Kingdom
Millilux S.a.r.L.	Luxembourg
Millipart S.a.r.L.	Luxembourg
Millipore (Canada) Ltd.	Canada
Millipore (Shanghai) Trading Company Ltd.	China
Millipore (U.K.) Ltd.	United Kingdom
Millipore A/S	Denmark
Millipore AB	Sweden
Millipore AG	Switzerland
Millipore AS	Norway
Millipore Asia Ltd.	Delaware
Millipore Australia Pty. Ltd.	Australia
Millipore B.V.	Netherlands
Millipore Bioscience Caribe Ltd.	Bermuda
Millipore China Ltd.	Hong Kong
Millipore Cork	Ireland
Millipore Dublin International Finance Company	Ireland
Millipore GesmbH	Austria
Millipore GmbH	Germany
Millipore Iberica S.A.	Spain
Millipore Industria E Comercio Ltda.	Brazil
Millipore International Holding Company B.V.	Netherlands
Millipore Ireland B.V.	Netherlands
Millipore Kft	Hungary
Millipore Korea Ltd.	Korea
Millipore Newco Ireland Limited	Ireland
Millipore OY	Finland
Millipore Pacific Limited	Delaware
Millipore S.A. de C.V.	Mexico
Millipore S.A./N.V.	Belgium
Millipore S.p.A.	Italy
Millipore S.R.O.	Czech Republic
Millipore SAS	France
Millipore Singapore Pte. Ltd.	Singapore
Millipore Sp.z.o.o.	Poland
Minerva Insurance Co. Ltd.	Bermuda
Nihon Millipore K.K.	Japan
Protein Separations Ltd.	United Kingdom
Serologicals European Holdings Limited	United Kingdom
Serologicals Global Holdings Company Limited	United Kingdom
Serologicals UK Holdings Company Limited	United Kingdom
Upstate Ion Channel Discovery Group Limited	United Kingdom
Upstate Limited	United Kingdom
Upstate USA, Inc.	New York