Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subclass Not Allocatable
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 (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K)

Description

A61L encompasses sterilization and disinfection technologies for medical materials and environments, including physical methods (heat, radiation, filtration) and chemical processes. It covers air treatment systems for medical facilities, as well as the composition and chemical properties of wound care products such as bandages, dressings, and absorbent pads used in surgical applications. This subclass also includes antimicrobial or bioactive materials incorporated into medical textiles and devices, excluding broader medical device design covered by other A61 classes.

21 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • A61L 11/00 Methods specially adapted for refuse

Top Applicants

Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 20,621
  2. NOVARTIS CH 15,792
  3. ROCHE CH 14,303
  4. COVIDIEN US 13,862
  5. HARVARD UNIVERSITY US 13,454
  6. UNIVERSITY OF CALIFORNIA US 12,798
  7. P&G (PROCTER & GAMBLE COMPANY) US 12,140
  8. L'OREAL FR 11,800
  9. OLYMPUS CORPORATION JP 9,894
  10. BOSTON SCIENTIFIC SCIMED US 9,513