公开(公告)号：KR820000093B1

公开(公告)日：1982-02-17

申请号：KR770001714

申请日：1977-07-25

Applicant: STANDARD OIL CO

Inventor： MARSH D ,  STARK L

IPC: C07C51/265 ,  C07C63/26

Abstract: Meta- or para-phthalic acids were prepd. by semi continuous or continuous air oxidn. of m- or p-xylene at 275≦̸C in monocarboxylic acid in the presence of transition metal catalysts and source of Br. The compns. of solvent system were 85-97 wt.% of BzOH and 15-3 wt.% of H2O and most used transition metal catalysts were Mn, Co and Ce.

公开(公告)号：BR7704878A

公开(公告)日：1979-07-03

申请号：BR7704878

申请日：1977-07-25

Applicant: STANDARD OIL CO

Inventor： MARSH D ,  STARK L

IPC: C07C63/15 ,  B01J23/00 ,  C07B61/00 ,  C07C51/00 ,  C07C51/265 ,  C07C63/24 ,  C07C63/26 ,  C07C67/00