Aldehyde scavengers for preparing temporary wet strength resins with longer shelf life
US7034087B2 · kind B2 · utility
16Cited by
27References
3Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 17, 2004 |
| Grant date | Apr 25, 2006 |
| Priority date | — |
| Expiry date | Aug 17, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/48
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Aldehyde scavengers which are adducts of choline or a choline salt and an optionally substituted acrylamide monomer can be used to stabilize glyoxalated polyacrylamide compositions and to provide supplementary cationic charges for the polymer backbone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.