The present invention is directed to a bicomponent strengthening system and the paper webs produced with the bicomponent strengthening system. Through use of the strengthening system, paper webs may be produced in which the strength characteristics of the web may be specifically tailored. The first component...http://www.google.es/patents/US20040118540?utm_source=gb-gplus-sharePatente US20040118540 - Bicomponent strengtheninig system for paper