Patent ID: 8454735

Claim:
An allergen inhibitor, comprising an allergen-inhibiting compound including a linear polymer having at least one of substituents at a side chain, the substituents being represented by the formulas (1) to (3): wherein m, n, and p each represent an integer of 0 to 2; and R 1 to R 19 each represent hydrogen, a carboxyl group, a sulfonic group, an amino group or a derivative of one of them, at least one of R 1 to R 5 is a carboxyl group, a sulfonic group, an amino group or a derivative of one of them, at least one of R 6 to R 12 is a carboxyl group, a sulfonic group, an amino group, or a derivative of one of them, and at least one of R 13 to R 19 is a carboxyl group, a sulfonic group, an amino group or a derivative of one of them, wherein the allergen-inhibiting compound is a sulfonic acid sodium salt of a styrene sulfonic acid homopolymer.