Tertiaryaminoalkyl-hydroxyalkyl ethers of polygalactomannans
US4918181A · kind A · utility
5Cited by
4References
9Claims
0Family size
Inventors
Key dates
| Filing date | Mar 2, 1988 |
| Grant date | Apr 17, 1990 |
| Priority date | — |
| Expiry date | Mar 2, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/62
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Dialkylaminoalkyl-hydroxyalkyl ethers of polygalactomannan are useful as thickening agents for aqueous fluids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.