| Relationships | Role | Relationship Start | Relationship End |
| Degussa Corporation | Parent | 3/15/1985 | 9/29/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Degussa Corporation | Buyer | Discontinued | 9/30/1989 |
| Relationships | Role | Relationship Start | Relationship End |
| Degussa Corporation | Parent | 3/15/1985 | 9/29/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Degussa Corporation | Buyer | Discontinued | 9/30/1989 |