US 12,378,650 B2
Metal material and articles made therefrom having biological properties
Fumie Yusa, Ikoma (JP); Thomas J. Webster, Barrington, RI (US); and Takafumi Komatsu, Suwa (JP)
Assigned to KOMATSUSEIKI KOSAKUSHO CO., LTD, Nagano (JP)
Appl. No. 17/289,960
Filed by KOMATSUSEIKI KOSAKUSHO CO., LTD., Suwa (JP)
PCT Filed Mar. 20, 2020, PCT No. PCT/IB2020/000135
§ 371(c)(1), (2) Date Apr. 29, 2021,
PCT Pub. No. WO2020/194045, PCT Pub. Date Oct. 1, 2020.
Claims priority of provisional application 62/822,134, filed on Mar. 22, 2019.
Prior Publication US 2022/0010417 A1, Jan. 13, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C22C 38/44 (2006.01); C21D 9/46 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01)
CPC C22C 38/44 (2013.01) [C21D 9/46 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C21D 2211/001 (2013.01)] 38 Claims
OG exemplary drawing
 
1. A stainless steel metal material comprising a homogeneous crystal grain nanostructure and having an average crystal grain size from 0.1 to 1 μm configured (i) to inhibit adhesion, growth or combination thereof of microorganisms, (ii) to promote adhesion, growth or combination thereof of predetermined eukaryotic cells, or (iii) to inhibit adhesion, growth or combination thereof of predetermined eukaryotic cells.