Pristine and surface functionalized cellulose nanocrystals (CNCs) incorporated hydrogel beads and uses thereof
US10207252B2 · kind B2 · utility
2Cited by
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15Claims
0Family size
Inventors
Key dates
| Filing date | Dec 21, 2015 |
| Grant date | Feb 19, 2019 |
| Priority date | — |
| Expiry date | Feb 29, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2305/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The present disclosure relates to the use of pristine and surface functionalized cellulose nanocrystal (CNC) incorporated hydrogel beads as adsorbent materials for water treatment applications. Here the hydrogel beads were prepared by ionic crosslinking of biopolymer sodium alginate using calcium chloride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.