Abstract: An internally smooth disposable column, of various sizes up to 800 ml. internal volume, made of biocompatible polymer is filled with particulate absorbent, e.g. carbon coated with polyHEMA, between support means located as close as practicable to inlet and outlet. L/D ratio is usually 1.5:1-5:1. Various shapes e.g. double frustoconical or trochoid of revolution are proposed for the column, which is preferably symmetrical to facilitate moulding of identical column halves; these shapes usually converge to meet a funnel-shaped connecting piece at inlet and outlet.

Abstract: This invention relates to a moisture-vapor-permeable pressure-sensitive adhesive material for use on animal skin and nails, e.g. a surgical drape, suture strip or sheet, adhesive dressing, bandage, plaster, strapping tape, decorative nail covering, or decorative cosmetic product. The adhesive material comprises a backing material, and a pressure-sensitive adhesive on at least substantially the whole of the body adhering portion of at least one surface of said backing material, both said backing material and said adhesive being moisture-vapor-permeable and unaffected by water and at least one of said backing material and said adhesive comprising a synthetic polymer and .Iadd.both said backing material and said adhesive .Iaddend.being continuous and nonpermeable to liquid water, said adhesive material having a moisture vapor permeability of at least 300 g./sq. meter/24 hours/40.degree. C./80 percent RH.

Abstract: This invention relates to a moisture-vapor-permeable pressure-sensitive adhesive material for use on animal skin and nails, e.g. a surgical drape, suture strip or sheet, adhesive dressing, bandage, plaster, strapping tape, decorative nail covering, or decorative cosmetic product. The adhesive material comprises a backing material and a pressure-sensitive adhesive on at least substantially the whole of the body adhering portion of at least one surface of said backing material, both said backing material and said adhesive being moisture-vapor-permeable and unaffected by water and at least one of said backing material and said adhesive comprising a synthetic polymer and .Iadd.both said backing material and said adhesive .Iaddend.being continuous and nonpermeable to liquid water, said adhesive material having a moisture vapor permeability of at least 300 g/sq. meter/24 hours/40.degree. C./80 percent RH.