Associative non-ionic thickening agents containing alkyl cyclohexanol alkoxylates, their uses and formulations containing them
US9273176B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Nov 8, 2012 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Nov 11, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D175/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention concerns new associative thickening agents belonging to the category of HEURs (Hydrophobically modified Ethylene oxide URethane). These products contain an original associative monomer with a base of alkyl cyclohexanol alkoxylates. Their thickening power is equal to or greater than that procured by HEUR associative thickening agents of the prior art containing grafted alkyl phenols. An efficient substitute product is therefore available, which is free of alkyl phenols, matching current market demand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.