Patent ID: 6083408
Filing Date: 2000-07-04
Classification: A01N,A61L,B01D,C12N,Y02A,Y10S

Abstract:
A shaped article which is suitable for use as a biocidal depth filter which consists essentially offibrous material comprising at least 1% by weight of total shaped article of polyolefin fibrid, the remainder of the fibrous material, if any, being cellulosic fibers, andembedded into the fibrous material as the biocide, from 0.5 to 75% by weight, based on the weight of the total shaped article, of crospovidone-iodine which contains from 1 to 20% by weight of available iodine, andthe depth filter has a thickness of from 0.1 to 10 mm and an area weight of from 20 to 3,500 g/m.sup.2.