Building additives based on purified hydroxyalkyl guar
US7396924B2 · kind B2 · utility
4Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2003 |
| Grant date | Jul 8, 2008 |
| Priority date | — |
| Expiry date | Mar 24, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08B37/0096
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to highly hydroxyalkylated, glyoxal crosslinked, purified 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.