Gypsum/fiber board with improved surface characteristics
US6406779B1 · kind B1 · utility
13Cited by
30References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1998 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Dec 23, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249962
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A paperless gypsum/fiber board with improved surface characteristics has at least one surface comprising a combination of fully hydrated gypsum and reinforcing fiber and has been coated with a primer comprising an aqueous emulsion of a film-forming polymeric material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.