Record material
US4022936A · kind A · utility
10Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1975 |
| Grant date | May 10, 1977 |
| Priority date | — |
| Expiry date | Apr 28, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31536
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process of making a sensitized record sheet material is disclosed, suitable for developing color in oily, colorless, chromogenic dye-precursor inks applied thereto. Said record sheet material has a light, reactive, coating which comprises a zinc compound and a salicylic acid derivative combined in, and applied from, an aqueous system of basic pH. The coating composition is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.