Absorbent laminated material
US10624519B2 · kind B2 · utility
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28References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2018 |
| Grant date | Apr 21, 2020 |
| Priority date | — |
| Expiry date | Jun 22, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2432/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Absorbent laminated materials that include two spunbond nonwoven layers with a cellulose layer arranged in between the spunbond nonwoven layers are disclosed. The different layers of the absorbent laminated material are bonded through an ultrasonic treatment, and can further undergo an embossing step. In addition, the absorbent laminated materials may be used as disposable wiping products, among other applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.