Patent ID: 7420007

Claim:
A dialkylphosphinic salt or a mixture of dialkylphosphinic salts of the formula (I) where R 1 , R 2 identical or different, are C 1 -C 6 -alkyl, linear or branched M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K or a protonated nitrogen base; m is from 1 to 4; having at least one telomer, wherein the telomer content is from 0.01 to 6% by weight and the at least one telomer is selected from the group consisting of ethylbutylphospinic salts, butylbutylphosphinic salts, ethylhexylphosphinic salts, butylhexylphosphinic salts, and hexylhexylphosphinic salts.