Method for manufacturing paper and board
US8491755B2 · kind B2 · utility
0Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2003 |
| Grant date | Jul 23, 2013 |
| Priority date | — |
| Expiry date | May 18, 2024 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H19/38
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The use of filler for the manufacture of paper and board products the air permeability of which does not substantially change as a function of the amount of filler, the filler being at least in part made up of cellulose or lignocellulose fibrils on which there have been deposited light-scattering material particles the proportion of which is 67-85%, preferably approx. 70-82%, of the weight of the filler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.