Method for producing vinyl chloride monomer

Details Method for producing vinyl chloride monomer Method for producing vinyl chloride monomer

2007-08-07

2007-08-07

Puttlitz, Karl (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

Reexamination Certificate

active

11039903

ABSTRACT:
A method is provided for producing vinyl chloride monomer from methyl chloride and methylene chloride. In the method, methyl chloride is reacted with methylene chloride in the vapor phase in the presence of a catalyst to produce vinyl chloride and hydrogen chloride. The reaction temperature is in the range of from about 300° C. to 500° C. The catalyst is selected from the group alumina gel, gamma-alumina, zinc chloride on active alumina, silica-alumina, zeolite, and silicon-aluminum-phosphorus oxide.

REFERENCES:
patent: 2005/0027084 (2005-02-01), Clarke et al.
patent: 2005/0124835 (2005-06-01), Benje et al.
patent: 05262682 (1993-08-01), None

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