Anti COVID-19 Stainless Steel


The first anti-COVID-19 stainless steel that kills the severe acute respiratory syndrome coronavirus 2 (SARS-Cov-2) on its surface

  • Anti COVID-19 Stainless Steel 0
  • Anti COVID-19 Stainless Steel 1
  • Anti COVID-19 Stainless Steel 2
Commercialisation opportunities
Exclusive Licensing
Problem addressed

The invention made it possible to combat both bacteria and virus including COVID-19 and SARS-Cov-2 virus

  • The fabrication of present invention is based on the mixed powder of Copper
  • Excellent broad-spectrum anti-bacteria and anti-virus properties, including H1N1 and Covid19 virus
  • Antibacterial Cu-bearing stainless steel (SS) must control its Copper content to an acceptable value to make sure that it can be processed while still has antibacterial property
Key impact
  • Excellent broad-spectrum anti-bacteria and anti-virus properties, including H1N1 and Covid19 virus (inactivation rate >99.99%)
  • Intact of the stainless-steel property, the mechanical, corrosion resistance, and processability properties are comparable to 200 series stainless steel in the market
  • Good long-term antibacterial and abrasion resistance, even though when the steel surface is scratched or rubbed away
  • Producible at large scale by existing steel powder metallurgy process
  • International Exhibition of Inventions of Geneva 2022 - Silver
  • Lift buttons, door bells, PA controls and items that are frequently touched by people in hospitals or other public areas.
  • Medical tools like tweezes and knives.
  • Kitchenware, like cookware, knives, stoves, cups and dishes.
  • Other consumer products like electric appliance cases, watch cases, water taps, etc.


  • PRC Application No. 202010730748.2
  • PCT Application No. PCT/CN2021/130229
The University of Hong Kong (HKU)

Founded in 1911, The University of Hong Kong (HKU) is the first and oldest institution of higher education in Hong Kong. For over a century, the University has dedicated itself to creating knowledge, providing education, and serving society. Today, HKU has an established worldwide reputation for being a research-led comprehensive University with ten Faculties and a strong commitment to intellectual freedom, liberty and diversity. HKU has a proud record of academic recognition in researches through honours and awards received from both local and international bodies.