Patent No. EP4054979 (titled "Control Of An Ammonia Synthesis Loop At Partial Load") was filed by Casale on Oct 12, 2020. The application was issued on Nov 29, 2023.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative |
|---|---|---|
| STAMICARBON | Aug 29, 2024 | VO |
| THYSSENKRUPP UHDE | Aug 28, 2024 | KUTZENBERGER WOLFF & PARTNER |
| TOPSOE | Aug 28, 2024 | INSPICOS PS |
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