Pre-blend composition, and method of making joint compound using same
US6712897B2 · kind B2 · utility
10Cited by
28References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 2001 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Jan 3, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/105
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A pre-blend composition for preparation of joint compound including water, a cellulose ether thickener, and about 19% or less by weight of a salt selected from the group consisting of potassium carbonate, potassium sulfate, sodium acetate, and mixtures thereof, wherein the composition is essentially free of alumina, is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.