Aqueous, storage-stable dispersions of water-soluble compounds

C - Chemistry – Metallurgy – 11 – D

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134/46

C11D 1/86 (2006.01) C11D 3/42 (2006.01) D06L 3/12 (2006.01) D06M 16/00 (2006.01)

Patent

CA 1073313

Abstract of the Disclosure New aqueous storage-stable dispersion of water-soluble optical brighteners, which dispersion is free from organic solvent and which comprises a) a water-soluble anionic or cationic optical brightener, b) at least one water-soluble salt, c) at least one stabilising agent and b) water and wherein the salt concentration is high enough to ensure that the water-soluble optical brightener remains essen- tially undissolved, a process for producing said dispersion as well as its use for the optically brightening of natural or synthetic high molecular organic material aredescribed..

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