C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/652
C07C 17/12 (2006.01) B01J 29/60 (2006.01) C07C 25/02 (2006.01)
Patent
CA 1275115
Abstract of the Disclosure: A p-substituted halobenzene derivative, which is very valuable in industry, can be obtained by halogenation of benzene and/or a benzene derivative in a liquid phase at the temperature of 0 to 200°C at a higher selectivity and yield than in known process, using, as a catalyst, an L type zeolite alkali-treated with an alkali solution of pH 11 or above at the temperature of 0 to 100°C for 0.5 to 100 hours.
522270
Fujii Satoshi
Nakano Masao
Sekizawa Kazuhiko
Tsutsumi Yukihiro
Fujii Satoshi
Marks & Clerk
Nakano Masao
Sekizawa Kazuhiko
Tosoh Corporation
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