Process for derivatizing polygalactomannan using water soluble aluminum salts in the process
US4959464A · kind A · utility
32Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 7, 1988 |
| Grant date | Sep 25, 1990 |
| Priority date | — |
| Expiry date | Nov 7, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08B37/0087
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
In an aqueous process for derivatizing polygalactomannan gums, the derivatized product prior to washing is reacted with a water soluble aluminum salt. The resulting products hydrate readily under alkaline pH conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.