High-yield paper and methods of making same
US7976678B2 · kind B2 · utility
3Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2008 |
| Grant date | Jul 12, 2011 |
| Priority date | — |
| Expiry date | May 23, 2029 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H19/44
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A high-yield paper sheet generally includes at least about 50 weight percent mechanical pulp, wherein the basis weight of the sheet is in the range of about 24 to about 60 pounds, and wherein the porosity of the sheet is in the range of about 40 to about 100 Sheffield porosity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.