Disposable absorbent articles comprising microporous polymer films with registered graphics
US6649808B1 · kind B1 · utility
58Cited by
9References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2000 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Jun 6, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/15243
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable absorbent article is disclosed, comprising a topsheet, a backsheet and an absorbent layer between the topsheet and the backsheet, wherein the backsheet is comprised of a microporous polymer film printed with a registered graphic and comprising by weight: from about 30% to about 60% of a polyolefin; and from about 40% to about 80% of calcium carbonate; wherein the film has a “b” value of between about 0 and about 0.5 and exhibits less than about 2% thermal shrinkage at about 50° C. and about 50% relative humidity for one week.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.