DYEING HUMAN HAIR WITH OXIDATION DYES COMPRISING HETEROCYCLIC AMINO COMPOUNDS

• US 3,630,655 A
• Filed: 10/22/1968
• Issued: 12/28/1971
• Est. Priority Date: 11/06/1967
• Status: Expired due to Term

• Current Assignee: Peter Berth, Rudolf Maul
• Original Assignee: Peter Berth, Rudolf Maul
• Inventors: Berth, Peter, Maul, Rudolf
• Application Number:
  US04/769,749
• Time in Patent Office: 1,162 Days
• US Class Current: 8/409
• CPC Class Codes: A61K 8/49 containing heterocyclic compounds
• CPC Class Codes: A61K 8/492 having condensed rings, e.g. indol
• CPC Class Codes: A61K 8/4926 having six membered rings
• CPC Class Codes: A61K 8/494 with more than one nitrogen as the only hetero atom
• CPC Class Codes: A61Q 5/10 Preparations for permanently dyeing the hair

Abstract

The novel means for dyeing human hair according to the invention are based on oxidation dyes and comprise heterocyclic amino compounds and suitable coupling components. For example, 2 parts of 6-aminotetrahydroquinoline hydrochloride, 1 part of Alpha naphthol, 1 part of hydrogen peroxide are mixed with 96 parts of water and adjusted to a pH of 9.5. By treating gray human hair with the resulting solution a dark blue coloration is obtained. The hair dyes according to the invention have, in addition to other favorable characteristics, the advantage of being easily removable from the hair, e.g., by reducing agents.

Claims

2. The process of claim 1 wherein said heterocyclic amino compound is in the form of an acid addition salt of a strong acid selected from the group consisting of inorganic and organic acids.

3. The process of claim 1 wherein said aqueous solution has a further content of from 0.5 to 30 percent by weight of an agent selected from the group consisting of alkylbenzene sulfonates, fatty alcohol sulfates, alkylsulfonates, fatty acid ethanolamides, ethylene oxide adducts of fatty alcohols and ethylene oxide adducts of alkylphenols.

4. The process of claim 1 wherein said aqueous solution has a further content of a chemical oxidizing agent.

5. The process of claim 1 wherein said heterocyclic amino compound is selected from the group consisting of 6-amino-tetrahydroquinoline, 1-ethyl-6-aminotetrahydroquinoline, 1-( Beta -hydroxyethyl)-6-aminotetrahydroquinoline, 4-methyl-7-aminodihydrobenzoxaine-(1,4), 1-( Beta -hydroxyethyl)-2-methyl-5-aminoindolenine, 2-methyl-5aminoindolenine, 5-aminoindazolone-3, 7-amino-2-oxo-tetrahydroquinoxaline, 6-aminotetrahydroquinoxaline, 1-methyl-6,8-diaminotetRahydroquinoline diaminotetrahydroquinoline and 1-methyl-6-amino-8-methoxytetrahydroquinoline.