Patent · US Expired

Method of recording image

US4740494A · kind A · utility

3Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 1984
Grant dateApr 26, 1988
Priority date
Expiry dateNov 5, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41M5/38235
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

This invention relates to a method of recording an image, characterized by superposing a heat-sensitive transfer medium on a plain paper and heating the medium thereby transferring a leuco dye from a leuco dye-containing transfer layer and a developer from a developer-containing transfer layer respectively onto the plain paper to react the leuco dye and the developer, said heat-sensitive transfer medium being prepared by having a transfer layer containing a leuco dye as the main component and a transfer layer containing a developer as the main component respectively applied on a single substrate or two separate substrates.

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