Patent · US Active

Coloring compound and thermal transfer recording sheet

US11958978B2 · kind B2 · utility

0Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 20, 2020
Grant dateApr 16, 2024
Priority date—
Expiry dateDec 26, 2042

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41M2205/30
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A coloring compound comprises a triphenylmethane structure having specific substituents.

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