Process for the production of paper
US6113741A · kind A · utility
16Cited by
18References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1997 |
| Grant date | Sep 5, 2000 |
| Priority date | — |
| Expiry date | Dec 4, 2017 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H23/76
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a process for the production of paper on a paper machine containing a dilution headbox in which a main aqueous flow containing cellulosic fibres and filler is mixed in said headbox with a diluting aqueous flow to form a resulting aqueous flow which is ejected onto a wire and dewatered to form a web of paper, wherein one or more components providing improved retention are introduced into the main aqueous flow and an additive resulting in slower dewatering and/or being selected from non-ionic and anionic organic polymers is introduced into the diluting aqueous flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.