Hyaluronic acid, sodium salt, polymer with 2,2′-[1,4-butanediylbis(oxymethylene)]bis[oxirane]

Butanediol-polytetramethylene glycol-terephthalic acid block copolymer

1,4-Butanediol-MDI-polyethylene glycol block copolymer

Adipic acid-1,4-butanediol-ethylene glycol-MDI block copolymer

1,4-Benzenedicarboxylic acid, polymer with 1,4-butanediol and 2-oxepanone, block

1,4-Butanediol-MDI-polytetramethylene glycol block copolymer

1,3-Benzenedicarboxylic acid, 1,3-dimethyl ester, polymer with 1,4-butanediol, 1,4-dimethyl 1,4-benzenedicarboxylate and α-hydro-ω-hydroxypoly(oxy-1,4-butanediyl), block

1,4-Benzenedicarboxylic acid, polymer with 1,4-butanediol and tetrahydrofuran, block

Hexanedioic acid, polymer with butanediol, 1,4-butanediol and 1,1′-methylenebis[isocyanatobenzene]

1,4-Butanediol-oxirane-terephthalic acid block copolymer

1,4-Butanediol, polymer with 1,3-diisocyanatomethylbenzene and α-hydro-ω-hydroxypoly(oxy-1,4-butanediyl), block

Butanediol-dicyclohexylmethane diisocyanate-polytetramethylene glycol block copolymer

1,4-Benzenedicarboxylic acid, polymer with 1,4-butanediol, 2-methyloxirane and oxirane, block