Composition for the vapor phase dehydrohalogenation of...

Details Composition for the vapor phase dehydrohalogenation of... Composition for the vapor phase dehydrohalogenation of...

2005-06-03

2008-12-30

Parsa, Jafar (Department: 1621)

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

Organic compounds

Halogen containing

C570S155000, C570S189000

Reexamination Certificate

active

07470827

ABSTRACT:
Described are compositions adapted to catalyze the vapor phase dehydrohalogenation of 1,1,2-trihaloethane to 1,1-dihaloethylene, e.g., 1,1,2-trichloroethane to vinylidene chloride. These materials include activated carbon and at least one benzimidazole-containing material defined herein as including benzimidazole, a derivative thereof, a salt thereof or mixtures thereof. Also described are methods for producing and using these catalytic compositions.

REFERENCES:
patent: 5210344 (1993-05-01), Reed et al.
patent: 5645374 (1997-07-01), Lesage et al.
patent: 2005/0090697 (2005-04-01), Webb
patent: 9011131 (1990-04-01), None

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