Process for dyeing paper
US5674299A · kind A · utility
7Cited by
7References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 12, 1995 |
| Grant date | Oct 7, 1997 |
| Priority date | — |
| Expiry date | Jul 12, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/919
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The cationic or basic dyes of formulae (1) and (2) cited in claim 1 are particularly suitable for dyeing paper. These dyes dye paper in a yellow, orange or brown shade having good fastness properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.