Fibrous structures comprising three or more regions
US11186954B2 · kind B2 · utility
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3References
20Claims
0Family size
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Key dates
| Filing date | Aug 16, 2019 |
| Grant date | Nov 30, 2021 |
| Priority date | — |
| Expiry date | Aug 16, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2432/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Fibrous structures containing filaments and solid additives, and more particularly to fibrous structures containing filaments and solid additives wherein the fibrous structure has three or more regions that exhibit different characteristics and/or properties and methods for making same, are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.