Superabsorbent composition and process
US4808637A · kind A · utility
28Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1987 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | May 14, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/918
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides an acrylate superabsorbent composition having an improved rate of absorbency, low residual acid content, and a low acrylate monomer content. Acrylic acid, an alkali metal salt of carbonic acid, aluminum acetate, sodium sulfate and water are uniformly reacted preferably using microwave radiation as the heat source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.