Compositions, panels and sheets comprising mineral fillers and methods to produce the same
US10011528B2 · kind B2 · utility
2Cited by
37References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2015 |
| Grant date | Jul 3, 2018 |
| Priority date | — |
| Expiry date | Feb 9, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
There are provided gypsum panels, sheets and multi-layer sheets as well as methods of preparation thereof. For example, there are provided cellulose filament-reinforced gypsum panels, sheets and multi-layer sheets and methods of preparation thereof. For example, in such gypsum panels, sheets and multi-layer sheets gypsum is bound with cellulose filaments to strengthen the gypsum panels, sheets and multi-layer sheets. The cellulose filament-reinforced gypsum panel can be, for example, a core comprising a honeycomb or corrugated structure. There are also provided aqueous suspensions comprising cellulose filaments and CaSO4.2H2O.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.