High quality paperboard and products made thereof
US7897011B2 · kind B2 · utility
8Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 9, 2006 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Jan 31, 2027 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a high quality paperboard comprising at least two plies, a first ply having good surface properties and strength, and a second ply for providing the paperboard with bulk wherein the second ply comprises hardwood CTMP. This paperboard has an internal strength and a bending resistance that is comparable with conventional high quality paperboard based on softwood CTMP. The invention also relates to products manufactured of the paperboard.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.