Thermosensitive recording material
US4506278A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1984 |
| Grant date | Mar 19, 1985 |
| Priority date | — |
| Expiry date | Mar 2, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/3336
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermosensitive recording material comprising a support material and a thermosensitive coloring layer formed on the support material, the thermosensitive coloring layer comprising a colorless or light-colored coloring material and a color developing material capable of coloring the coloring material upon application of heat thereto, is disclosed, in which the color developing material comprises at least one first bisphenol derivative of the formula (I) and at least one second bisphenol derivative of the formula (II), ##STR1## wherein n is an integer of 1 or 2, ##STR2## wherein X represents halogen, Y represents ##STR3## m is an integer of 1 or 2, and the substitution positions of Xm in the benzene rings are symmetrical with respect to Y.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.