Absorbent laminated material
US11464385B2 · kind B2 · utility
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27References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2020 |
| Grant date | Oct 11, 2022 |
| Priority date | — |
| Expiry date | Oct 21, 2040 |
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.