US 12,109,586 B2
Omniphobic surfaces with hierarchical structures, and methods of making and uses thereof
Leyla Soleymani, Oakville (CA); Roderick Maclachlan, Hamilton (CA); Sara Moetakef Imani, Hamilton (CA); Yuting Chan, Chao Chu Kang (SG); and Tohid Didar, Dundas (CA)
Assigned to MCMASTER UNIVERSITY, Hamilton (CA)
Appl. No. 17/616,374
Filed by McMaster University, Hamilton (CA)
PCT Filed Jun. 3, 2020, PCT No. PCT/CA2020/050766
§ 371(c)(1), (2) Date Dec. 3, 2021,
PCT Pub. No. WO2020/243833, PCT Pub. Date Dec. 10, 2020.
Claims priority of provisional application 62/856,392, filed on Jun. 3, 2019.
Prior Publication US 2022/0323993 A1, Oct. 13, 2022
Int. Cl. B05D 5/00 (2006.01); B05D 3/02 (2006.01); B05D 3/06 (2006.01); B05D 5/08 (2006.01)
CPC B05D 5/083 (2013.01) [B05D 3/0254 (2013.01); B05D 3/066 (2013.01); B05D 2506/10 (2013.01); B05D 2518/10 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A material comprising a substrate, at least one nanoparticle layer on at least a portion of the substrate and at least one omniphobic molecular layer on the nanoparticle layer, wherein the material comprises microstructures and nanostructures and the microstructures are provided from wrinkling a surface of the substrate and the nanostructures are provided from the at least one nanoparticle layer, and the portion of the substrate comprising the at least one nanoparticle layer and at least one omniphobic molecular layer form hierarchical structures that are omniphobic.