Catalyst for partial oxidation and preparation method thereof

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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Details

C502S313000, C502S314000, C502S315000, C502S316000, C502S321000

Reexamination Certificate

active

07544633

ABSTRACT:
The present invention relates to a catalyst for partial oxidation and a preparation method thereof, more particularly to a preparation method of a complex metal oxide catalyst that shows high activity for conversion of propylene or isobutylene, maintains good selectivity for such unsaturated aldehyde as acrolein or methacrolein and improves production yield of such unsaturated carboxylic acid as acrylic acid or methacrylic acid through stable process by using a drying control chemical additive.

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