Heat sensitive record sheet
US4364999A · kind A · utility
4Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1981 |
| Grant date | Dec 21, 1982 |
| Priority date | — |
| Expiry date | Aug 24, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/914
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A heat sensitive record sheet comprises a coated layer comprising 2-(2-chlorophenyl)amino-6-di-propyl- or butyl-aminofluoran derivative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.