Water absorbent polymer keeping absorbed water therein in the form of independent grains
US5326819A · kind A · utility
4Cited by
9References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 1991 |
| Grant date | Jul 5, 1994 |
| Priority date | — |
| Expiry date | Oct 9, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/939
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for the production of water absorbent polymer beads which retain a bead like shape after the absorption of water, wherein the absorbent beads are used in the manufacturing of concrete/mortar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.