Patent ID: 7470444
Filing Date: 2008-12-30
Classification: C11D

Abstract:
1. A method for bleaching tripe comprising contacting said tripe with a composition that contains: hydrogen peroxide ranging from 0.06% to 50% by weight, an organic acid material which is at least one member selected from the group consisting of citric acid, lactic acid, tartaric acid, malic acid, maleic acid, acetic acid, glycolic acid, oxalic acid, fumaric acid, and succinic acid in an amount ranging from 0.004% to 5% by weight, a surfactant ranging from 0.002% to 10% by weight, and an alkaline material in an effective amount to provide the composition with a pH ranging from 10 to 13; and agitating the tripe in contact with the composition for a period of time sufficient to bleach the tripe.