A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/898 (2006.01) A61K 8/04 (2006.01) A61K 8/81 (2006.01) A61Q 5/06 (2006.01)
Patent
CA 2322859
A single phase autophobic hairspray composition comprising: a) from 0.5 % to 10 % by weight of a film-forming hairspray resin; b) from 10 to 60 % by weight of a propellant including a mixture of at least one hydrocarbon and a di(C1-C4 alkyl) ether in a weight ratio from 5:1 to 1:10; c) from 0.01 % to 1.0 % by weight of an autophobic hairspray additive, being a surfactant or polymer which imparts autophobic behaviour to the hairspray composition, and d) water.
L'invention concerne un procédé de nettoyage de surfaces d'aluminium ou d'alliages d'aluminium. On applique une lessive alcaline épaissie sur les surfaces à nettoyer et on la rince au bout d'un temps d'action déterminé. Ce procédé est caractérisé en ce que la lessive alcaline a) contient 2 à 42 % en poids d'hydroxyde de métal alcalin, b) 2 à 15 % en poids de silicate de couche capable de gonfler, c) étentuellement, d'autres matières auxiliaires ou actives, d) le complément pour arriver à 100 % en poids étant de l'eau.
Ashton Melanie Ruth
Griffiths Llyr Glyndwr
Moretta Anthony
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Plc Unilever
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