Patent ID: 8821857
Filing Date: 2014-09-02
Classification: A61K,A61P,A61Q,C07K,G02B,H01S

Abstract:
1. A method of making a composition comprising telopeptide collagen, comprising, in order, the steps of: (a) macerating placental tissue; (b) suspending the placental tissue in a hypertonic saline solution; (c) suspending the placental tissue in water; and (d) treating the placental tissue with a mild detergent, wherein said collagen has not been chemically modified or contacted with a base as part of the method, and wherein said composition additionally comprises 10% to about 12% elastin by dry weight, glycosaminoglycans, and less than 1% fibronectin or less than 1% laminin by weight after said method is completed.