Methods are provided including a method of treating a portion of a subterranean formation comprising: providing a treatment fluid comprising a plurality of self-degrading fibers, the self-degrading fibers comprising an outer shell and a core liquid; placing the treatment fluid into a subterranean formation;...http://www.google.de/patents/US7267170?utm_source=gb-gplus-sharePatent US7267170 - Self-degrading fibers and associated methods of use and manufacture
