Method for removing stickies from wastepaper using modified cationic kaolin
US5540814A · kind A · utility
15Cited by
12References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 24, 1995 |
| Grant date | Jul 30, 1996 |
| Priority date | — |
| Expiry date | Jan 24, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S162/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Methods for reducing stickies and removing ink from wastepaper fiber wherein a cationic kaolin is added to a wastepaper fiber furnish under conditions such that the kaolin attaches to the stickies or the ink and the stickies or ink are removed from the furnish using a centrifugal cleaner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.