Coating for gypsum board face with uniform gloss intensity
US6663979B2 · kind B2 · utility
33Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2001 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Dec 19, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31996
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A coating for gypsum board includes a binder, a soy protein, and two or more pigments. Two of the pigments include calcium carbonate and magnesium carbonate and the magnesium carbonate makes up at least 20% by weight of the coating on a dry basis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.