Less colored trans-1,3-dichloropropene and process for its...

Details Less colored trans-1,3-dichloropropene and process for its... Less colored trans-1,3-dichloropropene and process for its...

2005-04-19

2005-04-19

Price, Elvis O. (Department: 1621)

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

Organic compounds

Halogen containing

C570S181000, C570S216000, C570S234000, C570S236000, C570S231000

Reexamination Certificate

active

06881872

ABSTRACT:
Less colored trans-1,3-dichloropropene and a process for producing it, are presented.A composition comprising cis-1,3-dichloropropene, trans-1,3-dichloropropene and C6compounds, is subjected to a distillation step and to a step of reacting chlorine or bromine, to remove cis-1,3-dichloropropene as a low boiling component, and then the residue is distilled to remove the chlorinated C6compounds as a high boiling component and to obtain trans-1,3-dichloropropene as a low boiling component.

REFERENCES:
patent: 3914167 (1975-10-01), Ivy et al.
patent: 39-25105 (1964-11-01), None

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