Absorbent article comprising water-absorbing material
US8404149B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2009 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | Jan 12, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2300/14
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure relates to an absorbent structure for use in a diaper for babies and infants, a feminine hygiene article and/or an incontinence article, said absorbent structure comprising a water-absorbing material, the water-absorbing material being obtainable by a process comprising the steps of A) treating a particulate, non-surface-crosslinked, water-absorbing polymer with a mixture comprising an aqueous solvent and at least one salt of a transition metal and B) irradiating the polymer treated according to A) with UV radiation, and to a process for its production.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.