Process for making multilayer coated paper or paperboard
US7425246B2 · kind B2 · utility
22Cited by
56References
62Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 12, 2002 |
| Grant date | Sep 16, 2008 |
| Priority date | — |
| Expiry date | Apr 12, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention refers in one embodiment to a method of manufacturing multilayer coated papers and paperboards, but excluding photographic papers and pressure sensitive copying papers, that are especially suitable for printing, packaging and labeling purposes, in which at least two curtain layers selected from aqueous emulsions or suspensions are formed into a composite, free-falling curtain and a continuous web of basepaper or baseboard is coated with the composite curtain, and paper or paperboard thereby obtainable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.