A method for making a collagen strengthened cellulosic sheet by providing a cellulosic pulp slurry; adding solubilized collagen to the pulp slurry, and mixing for a time effective for interaction of the cellulosic pulp slurry and solubilized collagen; forming the interacted cellulosic pulp ...http://www.google.es/patents/US5700354?utm_source=gb-gplus-sharePatente US5700354 - Paper strengthened with solubilized collagen and method
Paper strengthened with solubilized collagen and method