Naphtholactamcarbinols color formers, their manufacture and use in pressure-sensitive or thermoreactive recording material
US3969346A · kind A · utility
7Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1973 |
| Grant date | Jul 13, 1976 |
| Priority date | — |
| Expiry date | Jul 3, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/92
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to naphtholactamcarbinols, which may be used as color formers in pressure-sensitive or thermoreactive recording material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.