Polyacrylamide-based strengthening agent
US7863395B2 · kind B2 · utility
15Cited by
44References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2006 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Aug 21, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2800/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for preparing a cationic polyacrylamide composition particularly suitable for making a glyoxylated polyacrylamide composition useful as a temporary wet-strengthening agent and the composition resulting from that method, along with the use of the composition for adding temporary wet strength to paper and the resulting strengthened paper products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.