Non-hydrocarbyl hydrophobically modified polycarboxylic polymers
US8623977B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Nov 19, 2009 |
| Grant date | Jan 7, 2014 |
| Priority date | — |
| Expiry date | Jan 1, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F222/103
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention involves a cross-linked carboxylic acid hydrophobically modified copolymer product in which cross-linked carboxylic acid is modified with a non-hydrocarbyl hydrophobe, namely, poly(dimethyl siloxane) or fluoronated alkyl methacrylates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.