Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-95-000131
Filing Date
1995-02-02
Accepted
1995-02-02 00:00:00
Documents
1
SROs
NONE

Document Format Files

Seq Description Document Type Size
1 SC 13G/A 5540
  Complete submission text file 0000902219-95-000131.txt   7332
Mailing Address
Business Address 65 GROVE ST WATERTOWN MA 02172 6179262500
IONICS INC (Subject) CIK: 0000052466 (see all company filings)

EIN.: 042068530 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-11045 | Film No.: 95504940
SIC: 3559 Special Industry Machinery, NEC

Mailing Address 75 STATE STREET BOSTON MA 02109
Business Address 75 STATE STREET BOSTON MA 02109 6179515741
WELLINGTON MANAGEMENT CO (Filed by) CIK: 0000902219 (see all company filings)

EIN.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
SIC: 0000