PREPARATION OF PHOSES
申请(专利)号: DD19790211030
专利号: DD142033A5 主分类号: C01B31/28 申请权利人: STAUFFER
CHEMICAL CO 公开国代码: DD 优先权国家: US
摘 要:
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.
主权项:
申请日: 1979-02-14 公开公告日: 1980-06-04
分类号: C01B31/28
发明设计人: OBRECHT ROBERT
P 申请国代码: DE
优先权: 19780215 US
87803278
摘 要 附 图:
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PREPARATION OF PHOSES
PREPARATIONOFPHOSES申请(专利)号:DD19790211030专利号:DD142033A5主分类号:C01B31/28申请权利人:STAUFFERCHEMICALCO公开国代码:DD优先权国家:US摘要:Rawmaterialyieldsareincrease
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