Patent ID: 7091270

Claim:
A pentabromobenzyl alkyl ether of the formula: wherein: Z represents the group —(Y—O) n —, wherein Y is a linear or branched —(C 2 –C 8 )alkylene-; n represents an integer from 2 to 4; k may be 0 or 1; R 1 represents hydrogen, a linear or branched —(C 1 –C 10 )alkyl, allyl, or 1,2-dibromopropyl; provided that when k is zero R 1 represents a linear or branched —(C 4 –C 10 )alkyl, and when k is 1 R 1 represents hydrogen, a linear or branched —(C 1 –C 4 )alkyl, allyl or 1,2-dibromopropyl.