Hydrophilic-hydrophobic derivatives of polygalactomannans containing tertiary amine functionality
US5256651A · kind A · utility
27Cited by
3References
24Claims
0Family size
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Key dates
| Filing date | May 27, 1992 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | May 27, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/922
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Triple derivatives of polygalactomannan i.e., dialkylaminoalkyl ether-hydroxyalkyl ether - long aliphatic chain ether of polygalactomannan, are useful as thickening agents for aqueous fluids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.