4. Catalyst, solid sorbent, or support therefor: product or process
  5. Catalyst or precursor therefor
  6. Metal, metal oxide or metal hydroxide

Xue Duan

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Method for preparation of magnetic spinel ferrites from...

Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Reexamination Certificate

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Nano-scale magnetic solid base catalyst and its preparation...

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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Profile ID: LFUS-PAI-P-3065423

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