OSCA INC of LAFAYETTE, LA filed a DEF 14A with the SEC on 2001-04-13. Industry: Wholesale-Chemicals & Allied Products.
| Seq | Type | Description |
|---|---|---|
| 1 | DEF 14A | DEFINITIVE PROXY STATEMENT |
| Filed | Form |
|---|---|
| 2002-04-29 | DEFM14C |
| 2002-03-08 | PREM14C |
| 2001-06-01 | 425 |
| 2001-04-13 | DEF 14A |