A surface energy gradient on a fluid-impervious surface and method of its creation comprising the steps of a) Exposing a base surface having a proximal and a distal portion to a first solution comprising at least one molecule of the formula X-J-M1 wherein X and M1 represent separate functional groups...http://www.google.ca/patents/US7790265?utm_source=gb-gplus-sharePatent US7790265 - Surface-energy gradient on a fluid-impervious surface and method of its creation using a mixed monolayer film
