Chemicals used in industry; chemical substances for preserving foodstuffs; alginates (other than for alimentary purposes); beer clarifying and preserving agents; clarification preparations; enzyme and enzyme preparations for industrial purposes; filtering materials and media including filtering preparations for the beverage industry; finings and fining preparations; flocculants; isinglass (other than for stationery, household or alimentary purposes); bentonite, kaolin and kieselguhr; preservatives in this class; chemicals used in fermenting wines; brewing aids and additives; none of the foregoing being chemicals used in the manufacture of cosmetics or pharmaceuticals