Hydrophobically modified non-ionic polygalactomannan ethers
US4870167A · kind A · utility
43Cited by
7References
12Claims
0Family size
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Key dates
| Filing date | Mar 2, 1987 |
| Grant date | Sep 26, 1989 |
| Priority date | — |
| Expiry date | Mar 2, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/68
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Alkyl ethers of polygalactomannans wherein the alkyl groups contain 1 to 4 carbon atoms are further modified with long chain aliphatic epoxides wherein the long chains contain 8 to about 28 carbon atoms. The resulting derivatized polygalactomannans are particularly useful as thickening agents for aqueous systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.