Patent ID: 8920553

Claim:
A composition comprising: an aqueous solution of a low-hydroxypropyl cellulose ether present in an amount of at least 10% by weight of the composition, the low-hydroxypropyl cellulose ether being a hydroxypropylmethylcellulose having 27-30% by weight methoxyl groups and 4.0-7.5% by weight hydroxypropoxyl groups, wherein the low-hydroxypropyl cellulose ether is a very low color cellulose ether having a viscosity from 1.2 cP to less than 3 cP when measured as a 2% by weight aqueous solution at 20° C.; and a plasticizer selected from the group consisting of polyethylene glycol, castor oil, dibutyl sebacate, diethyl phthalate, glycerol, polyethylene glycol methyl ether, triacetin, triethyl citrate, phospholipids, lecithin, propylene glycol and combinations thereof in an amount of from 1 to 10% by weight of the composition, wherein the composition has a total solids content from 20% by weight to about 40% by weight.