Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1979-10-30
1981-12-22
Ore, Dale R.
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8406, 8416, 8424, 8426, 8622, D06P 304, D06P 314
Patent
active
043068731
ABSTRACT:
A hair dyeing composition comprising a water-soluble metal salt complex and a sulfur-containing reducing compound is described. In the composition, the metal salt complex is a water-insoluble bismuth salt of an alpha-hydroxy, polycarboxylic acid with a nitrogen-containing solubilizing agent.
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patent: 3954393 (1976-05-01), Lapidus
patent: 4195972 (1980-04-01), Lapidus
Combe Incorporated
Ore Dale R.
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