4. Mineral oils: processes and products
  5. Refining
  6. Sulfur removal

Kyung-Il Choi

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Method for manufacturing cleaner fuels

Mineral oils: processes and products – Refining – Sulfur removal
Reexamination Certificate

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Method for preparing a catalyst for reduction of nitrogen...

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Reexamination Certificate

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Method for preparing a catalyst for selective catalytic...

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Sulfur or compound containing same
Reexamination Certificate

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Piperazinylalkylpyrazole derivatives useful as selective...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2023187

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