Process and compositions for paper-making
US9873983B2 · kind B2 · utility
2Cited by
17References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2014 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Sep 12, 2034 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H21/20
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention provides a process for paper-making comprising adding to pulp slurry at least a first aqueous liquid and a second aqueous liquid so as to obtain a paper stock; forming the paper stock so as to obtain a wet paper web; pressing and draining the wet paper web so as to obtain a wet paper sheet; and drying the wet paper sheet so as to obtain a paper sheet. Correspondingly, the invention provides an aid composition for paper-making.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.