A macroscopically expanded, three-dimensional fluid-handling polymeric web having first and second surfaces located in substantially parallel planes which are remote from one another. The web includes a multiplicity of fluid-handling capillary networks of macroscopic cross-section for rapidly transmitting...http://www.google.se/patents/US4637819?utm_source=gb-gplus-sharePatent US4637819 - Macroscopically expanded three-dimensional polymeric web for transmitting both dynamically deposited and statically contacted fluids from one surface to the other
