Bleaching and dyeing; fluid treatment and chemical modification – Organic additive for dye composition – dye composition... – Nitrogen-containing – other than nitro or nitroso
Patent
1986-01-21
1987-07-07
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Organic additive for dye composition, dye composition...
Nitrogen-containing, other than nitro or nitroso
8405, 8917, 424 70, A61K 713, D06P 1642, D06P 314
Patent
active
046784756
ABSTRACT:
A dialkyl quaternary ammonium compound falling within the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different straight chain alkyl radicals C.sub.n H.sub.2n+1 wherein n is predominantly at least 12, and particularly where n equals predominantly 12-16, unexpectedly prevents Ext. D & C Violet No. 2 dye from staining skin while providing better deposition of the Ext. D & C Violet No. 2 onto human hair and wool to decrease or eliminate hair and wool yellowing. These fatty radicals R.sup.1 and R.sup.2 are generally derived from coconut oil, lauric acid, myristic acid, or palmitic acid and An.sup.- is any anion, particularly the halogen ions and particularly the chloride ion.
REFERENCES:
patent: 4453943 (1984-06-01), Balliello
patent: 4472297 (1984-09-01), Bolich, Jr. et al.
Cosmetics Science and Technology, Balsam et al, 1975, pp. 92-95, 292-293, 345-361.
Silver Fox Conditioner, ingredients list, Manufactured by Morning Side Laboratories.
Hoshowski Myra A.
Patel Chaitanya
Helene Curtis Inc.
Lieberman Paul
Skaling L.
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