Patent ID: 9441080
Filing Date: 2016-09-13
CPC Classification: A61F,B29D,C08B,C08J,C08L,G02B,G02C

Claim Text:
1. A process for preparing a wet cellulose hydrogel, said process comprising: (i) activating cellulose, wherein said activating step comprises contacting the cellulose with a solvent to activate the cellulose for a time duration from about 2 hours to about 30 hours; (ii) substantially dissolving the activated cellulose to form a solution; and (iii) gelling the solution to form a gel, wherein said gelling step comprises allowing the solution to gel in an environment comprising a relative humidity from about 30% to about 80% at 35° C., wherein a cellulose content of the gel is from about 1% to about 10% by weight, wherein said wet cellulose hydrogel comprises