Modificaton of starch
US5808053A · kind A · utility
2Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1997 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | Jan 17, 2017 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/29
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention generally relates to a process for modification of cationic starch at which the cationic starch is treated, in the presence of water, with an aluminium compound. The modified cationic starch is useful as a retention agent. The invention also relates to a method for improving retention and/or dewatering in papermaking at which cationic starch is modified by the process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.