it is ridiculous to claim "world's first....", there were papers published by others on the creation of both water and oil repellent surface/coating already years ago...., the concept of Fluorinated mateirals and lithography were already there, even the picture used here looks similar to the pic in those paper....

S. Shibuichi, T. Yamamoto, T. Onda, K. Tsujii, J. Colloid Interface
Sci. 1998, 208, 287.

Q. D. Xie, J. Xu, L. Feng, L. Jiang, W. H. Tang, X. D. Luo, C. C.
Han, Adv. Mater. 2004, 16, 302.

H. Yabu, M. Takebayashi, M. Tanaka, M. Shimomura, Langmuir
2005, 21, 3235.