Method of recording image
US4740494A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1984 |
| Grant date | Apr 26, 1988 |
| Priority date | — |
| Expiry date | Nov 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.