Thermally-responsive record material
US4586061A · kind A · utility
1Cited by
2References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 13, 1985 |
| Grant date | Apr 29, 1986 |
| Priority date | — |
| Expiry date | May 13, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/3335
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermally-sensitive color-forming composition is disclosed which comprises chromogenic material and certain acidic developer material. Record material comprising this color-forming composition exhibits improved color-forming efficiency and/or image density.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.