Continuous manufacturing of superabsorbent/ion exchange sheet material
US7855315B2 · kind B2 · utility
7Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2007 |
| Grant date | Dec 21, 2010 |
| Priority date | — |
| Expiry date | Oct 5, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/530708
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A continuous sheet having a combination of acidic and basic water-absorbing resin particles that are essentially not neutralized and can be continuously manufactured on conventional papermaking apparatus, using a wet, dry, or wet-dry process to manufacture a water-absorbent sheet-like substrate containing 50%-100% by weight of the combination of acidic and basic water-absorbent particles is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.