Ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids
US7423167B2 · kind B2 · utility
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Key dates
| Filing date | Nov 1, 2004 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Jan 6, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed are ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids. The salts are surface active agents which are useful in a variety of applications as primary and/or secondary surfactants. The salts are especially useful as surfactants in emulsion polymerization reactions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.