Building additives based on purified hydrophobically modified hydroxyalkyl guar
US7355039B2 · kind B2 · utility
4Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2003 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Feb 23, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/44
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to highly hydroxyalkylated, glyoxal crosslinked, purified hydrophobically modified hydroxyalkyl guar useful as additive in the building industry, and to a method for its preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.