#$%^&*AU2017202428B220180719.pdf#####21 Abstract The invention proposes a polymer solution for visco-supplementation. The polymer solution contains at least one at least partially water-soluble polysaccharide or 5 polysaccharide derivative, one water-soluble alkali salt or alkaline earth salt of polystyrene sulfonic acid, and water, whereby the polymer solution is clear to the eye. Moreover, the invention describes a method for sterilisation of the polymer solution. This method is characterised in that a mixture of at least one at least partially water-soluble polysaccharide or polysaccharide derivative, one water-soluble alkali salt or alkaline 0 earth salt of polystyrene sulfonic acid, and water is mixed with at least 0.5 wt.% Bpropiolactone, and in that the polymer solution is stored at room temperature for at least 24 hours. 12887869v2
