C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
260/538.5
C01B 31/28 (2006.01)
Patent
CA 1118787
- 19 - PHOSGENE MANUFACTURE ABSTRACT Raw material yields are increased and waste disposal requirements are decreased in the preparation of phosgene by the reaction of chlorine with an excess of carbon monoxide in the presence of an activated carbon catalyst by recovering unreacted carbon monoxide and recycling it to the reaction zone. * * * * * C-4109
319298
Gowling Lafleur Henderson Llp
Stauffer Chemical Company
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