Shaped nonwoven
US10858768B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2016 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | May 31, 2038 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2509/026
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A spunbond nonwoven fabric. The fabric has a first surface and a second surface and at least a first and second visually discernible zone on at least one of the first and second surface, each of the first and second zones having a pattern of three-dimensional features, each of the three-dimensional features defining a microzone. Each microzone has a first region and a second region, the first and second regions having a difference in values for an intensive property, and wherein the difference in values for an intensive property for at least one of the microzones in the first zone is different from the difference in values for the intensive property for at least one of the microzones in the second zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.