Fibrous structures comprising regions having different solid additive levels
US10478865B2 · kind B2 · utility
6Cited by
0References
20Claims
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Key dates
| Filing date | Dec 15, 2016 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Apr 14, 2037 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/005
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Fibrous structures containing solid additives, and more particularly, fibrous structures containing two or more regions that comprise different average weight % levels of solid additives and methods for making same are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.