Patent ID: 8273690

Claim:
A crosslinkable-polymer composition, comprising: an aqueous fluid; a chitosan-based compound and a chitosan-reacting polymer wherein a crosslink is formed between the chitosan-based compound and the chitosan-reacting polymer; a phenol source selected from the group consisting of a phenolic compound, a compound that produces a phenolic compound, and combinations thereof; wherein the phenolic compound is selected from the group consisting of a vanillin, vanilic acid, tyrosine, an alpha-hydroxynapthalene, a beta-hydroxynapthalene, and combinations thereof; wherein the compound that produces a phenolic compound is selected from the group consisting of acetyl salicyclic acid, para-nitrophenyl acetate, tris(nonlphenylphosphite), triphenylphosphite, and combinations thereof; and, a gelation-retarding additive.