Patent ID: 7259200

Claim:
A phosphorus-containing flame retardant agglomerate, comprising a) from 99.99 to 80% by weight of aggregates and/or primary particles comprising at least one phosphinic compound selected from the group consisting of a phosphinic salt of the formula (I), a diphosphinic salt of the formula (II), a polymer of the phosphinic salt, a polymer of the diphosphinic salt and mixtures thereof, where R 1 ,R 2 are identical or different and are C 1 -C 6 -alkyl, linear or branched, or aryl; R 3 is C 1 -C 10 -alkylene, linear or branched, C 6 -C 10 -arylene, -alkylarylene or -arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K or a protonated nitrogen base; m is from 1 to 4; n is from 1 to 4; x is from 1 to 4 and b) from 0.01 to 20% by weight of aggregates and/or primary particles of at least one auxiliary, wherein the at least one auxiliary is a polymer or copolymer based on vinylpyrrolidone, vinyl acetate, or vinylcaprolactam, epoxides, urethanes, acrylates, esters, amides, stearates, olefins, cellulose derivatives, or a mixture thereof.