C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/624.7
C07C 37/86 (2006.01) C07C 39/07 (2006.01)
Patent
CA 1292480
ABSTRACT OF DISCLOSURE 2,4-xylenol can be obtained with a high yield and high purity in the purification of a crude 2,4-xylenol isomer mixture containing 2,5-xylenol by reacting only 2,5-xylenol with an aldehyde in the presence of an aromatic sulfonic acid, converting 2,5-xylenol into a xylenol-aldehyde condensate and, subsequently, separating the same from 2,4-xylenol.
567893
Furuya Masayuki
Miura Tohru
Nagata Teruyuki
Nakayama Hitoshi
Watanabe Katsuji
Furuya Masayuki
Marks & Clerk
Mitsui Toatsu Chemicals Inc.
Miura Tohru
Nagata Teruyuki
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