Water-absorbing resin and manufacturing method
US6348545B2 · kind B2 · utility
4Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1999 |
| Grant date | Feb 19, 2002 |
| Priority date | — |
| Expiry date | Jan 11, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L51/006
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A water-absorbing resin having superior water absorption properties, and a method for manufacturing the water-absorbing resin having superior water absorption properties in a short time, in which used waste materials are used for effective utilization of resources. To this end, a high-molecular material containing acrylonitrile, styrene and conjugated dienes as constituent units are processed with acid and/or alkali.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.