C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 69/96 (2006.01) B01J 23/89 (2006.01) C07C 68/00 (2006.01) B01J 21/18 (2006.01)
Patent
CA 2093378
- 31 - Abstract: Disclosed is a process for preparing diester of carbonic acid from carbon monoxide and a nitrite in the presence of a solid catalyst in which at least one of a platinum group metal and a platinum group metal compound, and optionally other metal compound, is carried on a carrier, character- ized in that a deactivated catalyst is regenerated by treating with hydrogen and with hydrogen chloride simul- taneously or successively and used the regenerated catalyst repeatedly.
Matsuzaki Tokuo
Shimamura Tuneo
Toriyahara Yosinobu
Yamasaki Yoshinori
Sim & Mcburney
Ube Industries Ltd.
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