Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1987-04-21
1988-01-26
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C07C 6500
Patent
active
047218088
ABSTRACT:
A crude p-hydroxymethylbenzoic acid compound containing 4-carboxybenzaldehyde is purified and decolorized by hydrogenation in the presence of a platinum on carbon catalyst. 4-carboxybenzaldehyde is hydrogenated to p-hydroxymethylbenzoic acid. Toluic acid is not a product of the hydrogenation process.
REFERENCES:
patent: 4448987 (1984-05-01), Lillwitz
Cerefice Steven A.
Lillwitz Lawrence D.
Amoco Corporation
Blumberg Gunar J.
Clarke William C.
Killos Paul J.
Magidson William H.
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