A HUMAN NECESSITIES
A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61L 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
15/00 Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads