Patent ID: 7179950

Claim:
A process for bromination of diphenylethane, which process comprises: a) forming a mixture of at least bromine and molten diphenylethane; b) feeding said mixture into a stirrable reaction mass comprising bromine and a bromination catalyst to form a reaction mass which is a liquid solid mixture, wherein the solid comprises decabromodiphenylethane and occluded free bromine, and wherein the liquid comprises bromine and said catalyst; c) combining at least a portion of said liquid solid mixture formed in b) with water to form a water-containing reaction mass, and stripping the bromine from said water-containing reaction mass to form a slurry which comprises decabromodiphenylethane and water; and d) recovering at least a portion of said decabromodiphenylethane from said slurry formed in c) as a wet cake.