Lightweight joint treatment formulation
US6790277B2 · kind B2 · utility
5Cited by
11References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 1, 2002 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Feb 26, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/02
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Wallboard joint compound compositions comprising water, calcium carbonate, a polyether siloxane copolymer, and a styrene-butadiene polymer are disclosed. The joint compound compositions display significantly reduced cratering, reduced shrinking, greater sag resistance, and excellent workability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.