Process for production of 2,3-dichlorobutadiene-1,3

Details Process for production of 2,3-dichlorobutadiene-1,3 Process for production of 2,3-dichlorobutadiene-1,3

2008-12-16

2011-10-04

Katakam, Sudhakar (Department: 1621)

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

Organic compounds

Halogen containing

C570S189000, C570S216000, C570S226000, C570S227000

Reexamination Certificate

active

08030531

ABSTRACT:
2,3-dichlorobutadiene-1,3 of high purity is produced from 1,2,3,4-tetrachlorobutane by a process comprising the steps of dehydrochlorination, chlorination of the reaction product obtained in the dehydrochlorination step and subsequent separation of a 2,3-dichlorobutadiene-1,3 composition from the reaction product of the chlorination step.

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U.S. Appl. No. 12/335,583, filed Dec. 16, 2008, Terry Wayne Redwine.

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