| Patent Number | Title | Applicant | Opposition Date |
|---|---|---|---|
| EP3289041 | Sustained Release System For Reservoir Treatment And Monitoring | JOHNSON MATTHEY PUBLIC LIMITED COMPANY | Dec 8, 2023 |
| EP3404203 | Well Liner | JOHNSON MATTHEY PUBLIC LIMITED COMPANY | Oct 6, 2021 |
| EP3014064 | Well Liner | JOHNSON MATTHEY PUBLIC LIMITED COMPANY | Dec 21, 2018 |
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