Use of alkenyl succinic anhydride compounds derived from symmetrical olefins in internal sizing for paper production
US7455751B2 · kind B2 · utility
16Cited by
8References
12Claims
0Family size
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Key dates
| Filing date | Apr 15, 2005 |
| Grant date | Nov 25, 2008 |
| Priority date | — |
| Expiry date | Jul 16, 2026 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of sizing paper for use in applications which require resistance to liquids comprising incorporating in the paper a size composition comprising one or more alkenyl succinic anhydride (ASA) compounds prepared from the reaction of maleic anhydride and one or more substantially symmetrical C20-C28 internal olefins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.