List Nanochannel-guided patterning for polymeric substrates Authors Jong G. Ok, Se Hyun Ahn, L. Jay Guo Journal WO PCT patent Vol WO 2012/167076 A3, App.# PCT/US2012/040454 Year Patents Link https://patents.google.com/patent/WO2012167076A3/de published on Dec 6, 2012.