Temporary wet strength additives
US5760212A · kind A · utility
13Cited by
21References
14Claims
0Family size
Inventor
Key dates
| Filing date | Mar 28, 1996 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | Mar 28, 2016 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/32
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Compounds comprising the oxidation product of a polysaccharide in which the hydroxyl groups in at least a portion of the repeating units of the polysaccharide are cis-hydroxyl groups, the oxidation product comprising aldehyde groups, are disclosed. The compounds are useful for imparting temporary wet strength to paper products. Preferred polysaccharides for use in the invention include guar gum and locust bean gum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.