Superabsorbent powders of high absorption and high capillary suction
US6458896B1 · kind B1 · utility
3Cited by
7References
4Claims
0Family size
Assignee
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Key dates
| Filing date | May 21, 1999 |
| Grant date | Oct 1, 2002 |
| Priority date | — |
| Expiry date | May 21, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2333/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Certain mixtures of two superabsorbent powders having very different capillary suctions exhibit a resulting capillary suction which approaches the higher value. The resulting mixtures simultaneously exhibit a high capillary suction and a high intrinsic absorption capacity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.