Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Reexamination Certificate
2005-06-10
2008-12-02
Elhilo, Eisa B (Department: 1796)
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
C008S406000, C008S408000, C008S410000, C008S411000, C008S412000, C008S421000, C008S424000, C008S435000
Reexamination Certificate
active
07458995
ABSTRACT:
A first hair coloring agent composition is a hair coloring agent composition comprising (A) one or more compounds selected from the group consisting of p-phenylenediamine, toluene-2,5-diamine and their salts, (B) α-naphthol and (C) resorcin (with the proviso that p-aminophenol is not contained), wherein the components (A) to (C) are contained in a total amount of 60 to 100% by weight when the total amount of dye components in the hair coloring agent composition is 100% by weight, and based on 1 part by weight of the component (A), the component (B) is contained in an amount of 0.1 to 1 part by weight, and the component (C) is contained in an amount of 0.45 to 1.5 parts by weight. A second hair coloring agent composition is a hair coloring agent composition further comprising (D) p-aminophenol in addition to the components (A) to (C), wherein the components (A) to (D) are contained in given amounts and in given weight ratios. The disclosed hair coloring agent compositions enable hair coloring which exhibit slow color fading and long-lasting color in which there is minimal change of hue in the hair even after color fading occurs.
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Journal of Technical Disclosure, No. 95-15922, “Hair Dye”, Japan Institute of Invention and Innovation (9 pp.), English translation (18 pp.), no date.
Japanese Standards of Quasi-Drug Ingredients, Jun. 1991, Yakuji Nippo, Ltd. (6 pp), English translation of Table 3 (2 pp.).
Robbins, Clarence R., Chemical and Physical Behavior of Human Hair, Colgate-Palmolive Co., 6. Dyeing Human Hair, Apr. 15, 1982, pp. 119-140 with English translation (8 pp.).
Kato, Kazuo, Progress and Assignment of Permanent Hair Colorants, Fragrance Journal, Jun. 15, 1991, vol. 19, No. 6, pp. 30-35 with English translation (12 pp.).
Daigo Hiroyasu
Mochizuki Akimasa
Arimino Co., Ltd.
Elhilo Eisa B
The Webb Law Firm P.C.
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