Strong and soft multi-ply tissue paper products useful as absorbent sanitary products such as bath tissue, facial tissue, and absorbent towels are disclosed. At least one internal surface of the tissue paper product has a surface deposited strengthening agent. ...http://www.google.es/patents/US5851352?utm_source=gb-gplus-sharePatente US5851352 - Soft multi-ply tissue paper having a surface deposited strengthening agent
Soft multi-ply tissue paper having a surface deposited strengthening agent ...
