Color developer composition, aqueous dispersion, recording sheet and color developing ink
US6383982B1 · kind B1 · utility
6Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2000 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | May 2, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/3372
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A color developer composition comprising (A) a color developer containing a polyvalent metal salt of a salicylic acid derivative, and (B) a polyester polyol having in the molecule skeleton at least one carbonate bond or ester bond, and a derivative thereof, an aqueous dispersion and a color developing ink using this color developer composition, and a recording sheet having a layer containing this color developer composition on a base material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.