Disposable absorbent article including an elasticized area
US6245050A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 15, 1997 |
| Grant date | Jun 12, 2001 |
| Priority date | — |
| Expiry date | Aug 15, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/49466
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed is a disposable absorbent article having a length and a width. The disposable absorbent article defines a first and second waist portion and a first and second longitudinal marginal portion. The disposable article includes the components of a backsheet layer, a topsheet layer, and an absorbent structure located between the topsheet layer and the backsheet layer. The article includes at least one elasticized area formed from an elastomeric, hot melt, pressure-sensitive adhesive, a first component and a second component, said first and second components being adhered to one another by said elastomeric, hot melt, pressure-sensitive adhesive. The elastomeric, hot melt, pressure-sensitive adhesive and the elasticized area formed therewith have the following characteristics: a) an adhesive bond strength sufficient to adhere said first and second components together during use of said disposable absorbent article; b) an elongation of at least 50 percent; c) a retractive force of less than 400 grams force per inch width at 90 percent elongation; d) a viscosity of less than 70,000 centipoise at 350.degree. F.; and e) a cold flow value of less than 20 percent at 54.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.