Aqueous polymer dispersions, based on copolymers of vinyl aromatics and butadiene, method for their production and their use as sizing agents for paper
US7662871B2 · kind B2 · utility
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Key dates
| Filing date | Apr 15, 2003 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Feb 5, 2024 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/35
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Aqueous polymer dispersions which are obtainable by free radical copolymerization of
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.