Material for acquisition of liquids and disposable absorbent article comprising the material
US7994242B2 · kind B2 · utility
2Cited by
13References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2008 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Jan 25, 2029 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/02
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a material for acquisition of liquids comprising individualized, crosslinked cellulosic fibers having an effective amount of a polymeric acid crosslinking agent reacted with the fibers in intra-fiber crosslink ester bond form. The material further comprises at least one basic substance, selected from basic polymers. The invention also relates to disposable absorbent articles, such as diapers, containing this material. The material can be used in a method of reducing the electrolyte concentration of aqueous mediums containing electrolytes, such as urine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.