Patent ID: 8425677

Claim:
An aqueous adhesive composition intended for gluing corrugated cardboard, comprising: primary and secondary parts, the primary part consisting of gelatinized starches and/or swollen starches, said gelatinized starches and/or swollen starches being a mixture of legume starches and cereal and/or tuber starches, such that the weight ratio of legume starch to cereal and/or tuber starch is between 30:70 and 90:10, and the secondary part consisting of non-gelatinized starches, said non-gelatinized starches being a mixture of legume starches and cereal and/or tuber starches, such that the weight ratio of legume starch to cereal and/or tuber starch is between 30:70 and 90:10, wherein the legume starch of the secondary part has a protein content of less than 1% (dry/dry); and 0.3 to 5%, by weight, of an alkaline substance relative to the totality of said composition, wherein the composition is free of formaldehyde resin and synthetic resin.