List of claims and exemptions under the Hazardous Materials Information Review Act
This table summarizes claims and exemptions from disclosure of confidential business information that have been submitted to Health Canada under the Hazardous Materials Information Review Act.
This page is updated on a regular basis to include new claims filed with Health Canada, as well as status updates for existing claims and exemptions.
If you have any questions or feedback, please contact whmis.claim-demande.simdut@hc-sc.gc.ca.
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| Registry number | Case number | Claimant name | Product identifier | Claim/exemption status | Exemption expiry date |
|---|---|---|---|---|---|
| 3533534 | 2023-050026 | Baker Hughes Canada Company | WCW7723 | Active | 2026-08-22 |
| 3357568 | 2020-000489 | Baker Hughes Canada Company | WCW77 COMBINATION PRODUCT | Active | 2025-10-25 |
| 10593 | 2020-010713 | Baker Hughes Canada Company | WCW6032 COMBINATION INHIBITOR | Active | 2026-05-04 |
| 3502779 | 2023-006939 | Baker Hughes Canada Company | WCW4610C COMBINATION PRODUCT | Active | 2026-03-21 |
| 10576 | 2020-010624 | Baker Hughes Canada Company | WCW4610C COMBINATION PRODUCT | Expired | 2023-01-28 |
| 3370452 | 2020-031600 | Baker Hughes Canada Company | WCW1444 COMBINATION PRODUCT | Active | 2026-04-04 |
| 3326953 | 2019-021040 | Baker Hughes Canada Company | WCW1421 COMBINATION PRODUCT | Active | 2025-10-04 |
| 10235 | 2020-010302 | The Lubrizol Corporation | WCI 4729 | Withdrawn | |
| 10646 | 2020-010751 | Wax Busters Ltd. | WB-34 | Active | 2025-11-15 |
| 3328160 | 2019-023648 | Baker Hughes Canada Company | WAW3956 IRON SULFIDE CONTROL | Withdrawn |