Lightweight plasterboard and plaster slurry composition used for its manufacture
US8252110B2 · kind B2 · utility
3Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2011 |
| Grant date | Aug 28, 2012 |
| Priority date | — |
| Expiry date | Apr 22, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/60
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A plaster slurry composition includes plaster, water and starch, the starch having a Brookfield viscosity of less than 60 cps at a temperature below 60° C. and a Brookfield viscosity greater than 10,000 cps at a temperature of 70° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.