. . "Due to their structure and appearance and other qualities described above, fabrics of this invention are particularly adapted for use in surgical dressings, absorbent dressings such as sanitary napkins and diapers, most suitably for covering sanitary napkins and diapers, in wiping cloths, :toweling, filter materials, lining materials, industrial base fabrics, as a substitute for gauze and gauze-li" . . .