Pressure-resistant absorbent resin, disposable diaper using the resin, and absorbent resin, and method for production thereof
US6184433A · kind A · utility
33Cited by
16References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 1998 |
| Grant date | Feb 6, 2001 |
| Priority date | — |
| Expiry date | Apr 10, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L15/60
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This invention is directed to a disposable diaper using a pressure-resistant absorbent resin manifesting a ratio of water absorption capacity under pressure of 30 g/g or more to artificial urine under a load of 50 g/cm.sup.2, and a pressure-resistant absorption ratio of 0.6 or more, wherein the pressure resistant absorption ratio is defined as the ratio of the ratio of water absorption capacity under high pressure to artificial urine under a load of 100 g/cm.sup.2 to a ratio of water absorption capacity under pressure to artificial urine under a load of 50 g/cm.sup.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.