The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 15, 2019
Filed:
Jun. 07, 2016
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Konstantin Goutsis, Juechen, DE;
Gabriele Weser, Neuss, DE;
Henkel AG & Co. KGaA, , DE;
Abstract
A method for straightening and dyeing keratinous fibers includes the following steps: A) treating the fibers with a straightening agent (G), B) treating the fibers with a conditioner (K), and C) treating the fibers with a coloring agent (F). The straightening composition (G) includes at least one alkalizing agent selected from sodium hydroxide, potassium hydroxide, lithium hydroxide, magnesium hydroxide, calcium hydroxide, and/or guanidinium hydroxide, the conditioner (K) and/or the coloring agent (F) include(s) at least one reducing agent selected from thiolactic acid, thioglycolic acid, cysteine, sodium sulfide, sodium sulfite, sodium thiosulfate, sodium dithionite, and/or cosmetically acceptable salts thereof, and the coloring agent (F) includes at least one direct acid dye.