GENERAL CHEMICAL GROUP INC of HAMPTON, NH filed a DEF 14A with the SEC on 1997-03-28. Industry: Industrial Inorganic Chemicals.
| Filed | Form |
|---|---|
| 2003-05-01 | DEF 14A |
| 2002-04-12 | DEF 14A |
| 2001-04-12 | DEF 14A |
| 2001-03-30 | PRE 14A |
| 2000-04-07 | DEF 14A |
| 1999-04-13 | DEF 14A |
| 1998-03-30 | DEF 14A |
| 1997-03-28 | DEF 14A |