Method for producing paper
US10435843B2 · kind B2 · utility
0Cited by
16References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2017 |
| Grant date | Oct 8, 2019 |
| Priority date | — |
| Expiry date | Aug 16, 2037 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H19/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for manufacturing paper is disclosed. A pulp slurry is produced, a paper sheet is formed from the slurry, an aldehyde functionalized polymer or polymers in combination with at least one additional strength additive is added to the slurry before and/or after sheet formation, and a water soluble acid is added on the paper sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.