Patent · US Active

Water-based composition and coloring method

US12344749B2 · kind B2 · utility

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12Claims
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Key dates

Filing dateDec 27, 2021
Grant dateJul 1, 2025
Priority date
Expiry dateMay 1, 2044

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K2201/011
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A water-based composition of the present disclosure includes a metal pigment, a polyoxyalkylene amine compound, and a water-based medium, in which the metal pigment is formed of a plurality of metal particles, the metal particles are surface-modified by a surface treatment agent, and a content of the polyoxyalkylene amine compound is 0.1 parts by mass or more and 50 parts by mass or less with respect to 100 parts by mass of the metal particles.

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