Patent ID: 9725681
Date: 2017-08-08
CPC Classifications: C11D

Claim:
1. Aqueous formulation which comprises: a)—One or more proteolytic enzymes, wherein the total quantity of the component a), relative to the weight of the formulation, amounts to from 0.03 to 1.0% by weight, b)—One or more anionic surfactants, wherein the total quantity of the component b), relative to the weight of the formulation, amounts to from 0.5 to 15% by weight, c)—One or more non-ionic surfactants, wherein the total quantity of the component c), relative to the weight of the formulation, amounts to from 0.1 to 12% by weight, d)—One or more corrosion inhibitors, wherein the total quantity of the component d), relative to the weight of the formulation, amounts to from 0.050 to 1.0% by weight, e)—One or more multivalent aliphatic alcohols, wherein the total quantity of the component e), relative to the weight of the formulation, amounts to from 5.0 to 60% by weight, f)—One or more complexing agents, wherein the total quantity of the component f), relative to the weight of the formulation, amounts to from 0.1 to 15% by weight, and g)—one or more of para-hydroxybenzoic acid and the esters thereof, wherein the total quantity of the component g), relative to the weight of the formulation, amounts to from 0.05 to 3.0% by weight, wherein the pH value of said aqueous formulation is in the range of from 9.5 to 12.5.