Liquid compositions comprising bleaching and/or hygiene...

A - Human Necessities – 01 – N

Patent

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Details

A01N 37/46 (2006.01) A01N 25/04 (2006.01) A01N 25/30 (2006.01) A01N 31/14 (2006.01) A01N 31/16 (2006.01) A01N 37/16 (2006.01) C11D 1/83 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01) C11D 3/43 (2006.01) C11D 17/00 (2006.01) D06L 3/02 (2006.01) C11D 1/04 (2006.01) C11D 1/14 (2006.01) C11D 1/22 (2006.01) C11D 1/72 (2006.01)

Patent

CA 2114293

A B S T R A C T LIQUID COMPOSITIONS COMPRISING BLEACHING AND/OR HYGIENE AGENTS OF LOW AQUEOUS SOLUBILITY The invention provides stable, aqueous, hygiene compositions comprising aqueous-insoluble or sparingly soluble organic peroxy acids can be prepared by the use of a water-immiscible solvent for the organic peroxy acid in the form of an emulsion in water. In the context of the present invention aqueous-insoluble or sparingly soluble organic peroxy acids are those peroxy acids having a solubility in water at 10°C of less than 100ppm. Compositions according to the invention comprise: at least 100 ppm of a water insoluble or sparingly soluble hygiene agent (a), and, at least 0.1% of a water-immiscible solvent for (a), said solvent comprising the dispersed phase of a solvent/water emulsion. Typically the bleaching agent (a) is an organic peroxy acid. Typically, the peroxy acid is an imido peroxy-carboxylic acid, most preferably e-N-N-phthaloyl-amino-peroxycaproic acid (PAP).

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