MCWHORTER TECHNOLOGIES INC /DE/ of CARPENTERSVILLE, IL filed a DEF 14A with the SEC on 1997-12-30. Industry: Plastic Materials, Synth Resins & Nonvulcan Elastomers.
| Filed | Form |
|---|---|
| 2000-05-12 | SC 14D9 |
| 2000-05-05 | SC 14D9 |
| 2000-01-10 | DEF 14A |
| 1998-12-29 | DEF 14A |
| 1997-12-30 | DEF 14A |
| 1997-01-08 | DEF 14A |