Patent ID: 11918671
Assignee: HENKEL AG & CO. KGAA
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 17:
18. The process of claim 16, wherein in the preparation step (1): (i) the developer component comprises at least one of p-phenylenediamine, p-toluylenediamine, 2-(beta-hydroxyethyl)-p-phenylenediamine, 2-methoxymethyl-p-phenylenediamine, 2-(alpha, beta-dihydroxyethyl)-p-phenylenediamine, N,N-bis-(beta-hydroxyethyl)-p-phenylenediamine, N-(4-amino-3-methylphenyl)-N43-(1H-imidazol-1-yl)propyl] amine, N,N′-bis-(b eta-hydroxy ethyl)-N,N′-b i s-(4-aminophenyl)-1,3-diamino-propan-2-ol, bis-(2-hydroxy-5-aminophenyl)-methane, 1,3-bis-(2,5-diaminophenoxy)-propan-2-ol, N,N′-bis-(4-aminophenyl)-1,4-diazacycloheptane, 1, 10-bis-(2,5-diaminophenyl)-1,4,7,10-tetraoxadecane, p-aminophenol, 4-amino-3-methylphenol, 4-amino-2-aminomethylphenol, 4-amino-2-(alpha, beta-dihydroxyethyl)-phenol and 4-amino-2-(diethylaminomethyl)-phenol, 4,5-diamino-1-(beta-hydroxyethyl)-pyrazole, 2,4,5,6-tetraaminopyrimidine, 4-hydroxy-2,5,6-triaminopyrimidine, 2-hydroxy-4,5,6-triaminopyrimidine, and physiologically tolerated salts thereof; (ii) the coupler component comprises at least one of m-aminophenol, 5-amino-2-methylphenol, 3-amino-2-chloro-6-methyl phenol, 2-hydroxy-4-aminophenoxy ethanol, 5-amino-4-chloro-2-methyl phenol, 5-(2′-hydroxyethyl)amino-2-methylphenol, 2,4-dichloro-3-aminophenol, o-aminophenol, m-phenylenediamine, 2-(2,4-diaminophenoxy)ethanol, 1,3-bis(2,4-diaminophenoxy)propane, 1-methoxy-2-amino-4-(2′-hydroxyethylamino)benzene, 1,3-bis(2,4-diaminophenyl)propane, 2,6-bis(2′-hydroxyethylamino)-1-methylbenzene, 2-({3-[(2-hydroxyethyl)amino]-4-methoxy-5-methylphenyl} amino)ethanol, 2-({3-[(2-hydroxyethyl)amino]-2-methoxy-5-methylphenyl} amino)ethanol, 2-({3-[(2-hydroxyethyl)amino]-4,5-dimethylphenyl} amino)ethanol, 2-[3-morpholin-4-ylphenyl)amino] ethanol, 3-amino-4-(2-methoxyethoxy)-5-methylphenyl amine, 1-amino-3-bis-(2′-hydroxyethyl)-aminobenzene, Resorcinol, 2-methylresorcinol, 4-chlororesorcinol, 1,2,4-trihydroxybenzene, 2-amino-3-hydroxypyriadine, 3-amino-2-methyl amino-6-methoxypyriadine, 2,6-dihydroxy-3,4-dimethylpyridine, 3,5-diamino-2,6-dimethoxypyridine, 1-phenyl-3-methylpyrazol-5-one, 1-naphthol, 1,5-dihydroxynaphthal ene, 2, 7-dihydroxynaphthal ene, 1,7-dihydroxynaphthal ene, 1, 8-dihydroxynaphthalene, 4-hydroxyindole, 6-hydroxyindole, 7-hydroxyindole, 4-hydroxyindoline, 6-hydroxyindoline, 7-hydroxyindoline, and physiologically tolerated salts thereof; (iii) the oxidizing agent comprises hydrogen peroxide; or (iv) any combination of (i)-(iii).