Patent · US Active

Agent for dyeing keratinuos fibres, containing pigments and C2-C30 alkyl methicones

US12186421B2 · kind B2 · utility

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16Claims
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Key dates

Filing dateMay 20, 2021
Grant dateJan 7, 2025
Priority date
Expiry dateAug 9, 2041

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/882
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Agents, processes, and kits-of-parts are provided for dyeing keratinous fibers are provided. An agent for dyeing keratinous fibers includes (a1) at least one C2-C30 alkyl methicone; and (a2) at least one pigment.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.