| Relationships | Role | Relationship Start | Relationship End |
| Degussa Corporation | Parent | 9/22/1982 | 2/29/1992 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Degussa Corporation | Buyer | Discontinued | 3/1/1992 |
| Relationships | Role | Relationship Start | Relationship End |
| Degussa Corporation | Parent | 9/22/1982 | 2/29/1992 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Degussa Corporation | Buyer | Discontinued | 3/1/1992 |