A | HUMAN NECESSITIES |
61 | MEDICAL OR VETERINARY SCIENCE; HYGIENE |
L | METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES |
15 | Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads |
16 | Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons |
22 | containing macromolecular materials |
32 | Proteins, polypeptides; Degradation products or derivatives thereof, e.g. albumin, collagen, fibrin, gelatin |