Patent ID: 11887747
Assignee: ENI S.P.A.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  H  B  Y | IPC B  C  H

Claim 6:
7. Aqueous ink composition according to claim 1, wherein said aqueous ink composition further comprises at least one compound selected from the group consisting of sulphoxides; aprotic liquids having a dielectric constant greater than 15; diols; sugars; or mixtures thereof;
wherein said sulphoxides are selected from the group consisting of alkyl sulphoxides; aryl sulphoxides and mixtures thereof; and wherein said aprotic liquids having a dielectric constant greater than 15 are selected from the group consisting of N-methylpyrrolidone, 1,3-dimethyl-2-imidazolidinone, 2-pyrrolidone, N,N,N′,N′-tetramethylurea, formamide, N,N-dimethylformamide, N-methylacetamide, N,N-dimethylacetamide, tetramethylsulphoneurea, and mixtures thereof;
wherein said diols are selected from the group consisting of diethylene glycol, propylene glycol, and mixtures thereof; and
wherein said sugars are selected from the group consisting of sorbitol, mannitol, sucrose, fructose, and mixtures thereof.