Process for repulping wet strength paper having cationic thermosetting resin
US6171440A · kind A · utility
13Cited by
3References
42Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 4, 1998 |
| Grant date | Jan 9, 2001 |
| Priority date | — |
| Expiry date | Dec 4, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31725
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Process for repulping paper comprising providing paper comprising thermosetting resin which is the reaction product of epihalohydrin and polyamide made from polyalkylene polyamine, succinic acid and optionally another dicarboxylic acid and repulping the paper to obtain recycled pulp fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.