| Relationships | Role | Relationship Start | Relationship End |
| Degussa Corporation | Parent | 11/29/1988 | 1/9/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Degussa Corporation | Buyer | Discontinued | 1/10/1990 |
| Relationships | Role | Relationship Start | Relationship End |
| Degussa Corporation | Parent | 11/29/1988 | 1/9/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Degussa Corporation | Buyer | Discontinued | 1/10/1990 |