Paper sheet having improved rate of absorbency
US6755937B1 · kind B1 · utility
2Cited by
47References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2000 |
| Grant date | Jun 29, 2004 |
| Priority date | — |
| Expiry date | Apr 18, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
New and improved methods and products are disclosed relating to softness of fibrous webs. Increased softness, among other things, is obtained by abrading the surface of the web to create fuzziness from protruding fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.