Dyeing human hair with benzothiazole azo compounds
Abstract
Abstract IN EACH OF THESE FORMULAE R, R1 AND R2 MAY BE LOWER ALKYL RADICALS, BUT IN SOME OF THE FORMULAE THEY MAY BE H OR ACYL RADICALS INSTEAD, AS SET FORTH IN DETAIL IN THE SPECIFICATION. PREFERABLY R1 AND R2 ARE COMBINED WITH AN ADJACENT N TO FORM A HETEROCYCLIC RADICAL FALLING WITHIN THE GROUP CONSISTING OF MORJPHOLINO, PIPERIDINO AND PYRROLIDINO RADICALS. 3-R3-BENZOTHIAZOL-3-IUM X(=) 2-(R1-N(+)(-R2)(-R3)-(CH2)N-N(-R)-(1,4-PHENYLENE)-N=N-), BENZOTHIAZOL-3-IUM X(-) 2-(R1-N(-R2)-(CH2)N-N(-R)-(1,4-PHENYLENE)-N=N-),3-R3- BENZOTHIAZOLE 2-(R1-N(-R2)-(CH2)N-N(-R)-(1,4-PHENYLENE)-N=N-)- THIS INVENTION RELATES TO METHODS OF DYEING AND DYES FOR KERATINIC FIBERS, ESPECIALLY HUMAN HAIR WITH BENZOTHIAZOLE COMPOUNDS CORRESPONDING TO ONE OF THE FOLLOWING FORMULAE:
Inventors
- 👤 Gregoire Kalopissis
- 👤 Andree Bugaut
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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