Overview Financials News + Filings Key Docs Charts Ownership Insiders
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| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| | 8-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Zeolyst Joint Venture | | | | | 156.7 | 143.8 | | |
| Revenues | | | | | 72.1 | 75.3 | | |
| Revenue growth [+] | | | | | -4.3% | | | |
| Zeolyst Joint Venture | | | | | 9.0% | | | |
| |
| Revenue Mix | | | | | 5.9% | 5.1% | | |
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