Patent · US Expired

Flaky colored pigments, methods for their production, and their use in cosmetic compositions

US4772331A · kind A · utility

27Cited by
11References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 24, 1986
Grant dateSep 20, 1988
Priority date
Expiry dateOct 24, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09C2200/507
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Colored flaky colored pigments are obtained by uniformly adhering a finely divided color pigment onto a flaky substrate by the use of an high molecular weight organic compound as a binder.

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