Use of aqueous brightener preparations for brightening...

Details Use of aqueous brightener preparations for brightening... Use of aqueous brightener preparations for brightening...

D - Textiles, Paper

06

L

D06L 3/12 (2006.01) D06L 3/14 (2006.01) D21C 9/10 (2006.01) D21H 21/30 (2006.01)

Patent

CA 2406295

The invention relates to a method of optically brightening natural or synthetic materials with aqueous brightener preparations containing (a) 15 to 85% by weight of at least one water-soluble optical brightener, and (b) optionally 85 to 15% by weight of water, wherein the temperature of the preparation is 40 to 98°C.

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