Thermally-responsive record material
US4520379A · kind A · utility
2Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 1984 |
| Grant date | May 28, 1985 |
| Priority date | — |
| Expiry date | Jun 15, 2004 |
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 substantially improved performance in certain Group 3 facsimile equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.