Sanitary article
US5069676A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1987 |
| Grant date | Dec 3, 1991 |
| Priority date | — |
| Expiry date | Aug 7, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/53721
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In a sanitary article having as a core material a super water absorbing polymer and two layers of fluff pulp to envelop the polymer, the improvement comprises that said layer of fluff pulp is composed of a compressed first site and a further compressed second site, the density of said first site ranging from 0.04 to 0.15 g/cm.sup.3, the density of said second site ranging from 0.06 to 0.4 g/cm.sup.3, and the area of said second site ranging from 10 to 50% of that of the entire article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.