Paper filler method
US8231764B2 · kind B2 · utility
31Cited by
94References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2011 |
| Grant date | Jul 31, 2012 |
| Priority date | — |
| Expiry date | Sep 26, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/64
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for preparing an aqueous suspension comprising microfibrillated cellulose and inorganic particulate material, the method comprising a step of microfibrillating a fibrous substrate comprising cellulose in an aqueous environment in the presence of an inorganic particulate material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.