Water soluble retention agent
US7138160B1 · kind B1 · utility
1Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2000 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Sep 29, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31895
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The use, for the manufacture of paper coating colors, of a copolymer water-soluble in a neutral or alkaline medium as an agent for simultaneously adjusting the water retention of the coating colors and the Brookfield viscosity of the said coating colors; a water-retention agent comprising the copolymer; and coating colors and the coated paper and cardboard thus obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.