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Home › Purification of terephthalic acid to relatively low levels of 4-carboxybenzaldehyde and catalyst therefor

Purification of terephthalic acid to relatively low levels of 4-carboxybenzaldehyde and catalyst therefor

US Patent 4629715 · Granted Dec 16, 1986

Estimated economic value: $22,948,000 ⓘ

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