Low lint multi-ply paper products having a first stratified base sheet and a second stratified base sheet
US11035078B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2019 |
| Grant date | Jun 15, 2021 |
| Priority date | — |
| Expiry date | Mar 10, 2039 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/38
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Paper products and methods of making the paper products. The paper product includes a first stratified base sheet and a second stratified base sheet. At least about eighty percent of the papermaking fibers in an outer layer of each of the first stratified base sheet and the second stratified base sheet has (i) a weight-weighted average fiber length between about two and seven tenths millimeters and about three millimeters and (ii) a coarseness of about sixteen milligrams per one hundred meters or lower. An inner layer of the second stratified base sheet is attached to the inner layer of the first stratified base sheet. The paper product has a CD wet/dry tensile ratio between about twenty-five hundredths and about thirty-five hundredths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.