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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000052466-03-000027
Filing Date
2003-05-09
Accepted
2003-05-09 09:47:54
Documents
1
Period of Report
2003-05-07

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 4  
1 PRIMARY DOCUMENT primary_doc.xml 4 5200
  Complete submission text file 0000052466-03-000027.txt   6968
Mailing Address
Business Address 65 GROVE ST WATERTOWN MA 02172 6179262500
IONICS INC (Issuer) CIK: 0000052466 (see all company filings)

IRS No.: 042068530 | State of Incorp.: MA | Fiscal Year End: 1231
SIC: 3559 Special Industry Machinery, NEC

Mailing Address C/O WASHINGTON UNIVERSITY 1 BROOKINGS DRIVE CAMPUS BOX 1192 ST LOUIS MO 63130
Business Address C/O WASHINGTON UNIVERSITY 1 BROOKINGS DRIVE CAMPUS BOX 1192 ST LOUIS MO 63130
WRIGHTON MARK S (Reporting) CIK: 0001021584 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-07211 | Film No.: 03689151