Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1978-08-03
1979-10-30
Thomas, Jr., James O.
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8 11, 8 32, 8 79, A61K 713
Patent
active
041727037
ABSTRACT:
This invention is a composition useful for dyeing keratinous fiber brown without using o-, m- or p-phenylenediamine, 2,4-diaminoanisol or nitro compounds. The composition consists essentially of 1,5-dihydroxynaphthalene, m-aminophenol, p-aminodiphenylamine or a suitable acid addition salt thereof, a suitable modifier, a suitable coupler and a suitable base. This composition in combination with an oxidizing agent dyes hair brown.
REFERENCES:
patent: 3128232 (1964-04-01), Wilmsmann et al.
patent: 3415608 (1968-12-01), Tucker
patent: 3536436 (1970-10-01), Lange
patent: 3630655 (1971-12-01), Berth et al.
patent: 3931912 (1976-01-01), Hsiung
patent: 4003699 (1977-01-01), Rose et al.
patent: 4010872 (1977-03-01), Lozano et al.
Proc. Nat. Acad. Sci., vol. 72, No. 6, pp. 2423-2427, Jun. 1975.
Clarke Vera C.
Hirsch Joseph I.
Moran Tom M.
Syntex (USA) Inc.
Thomas, Jr. James O.
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