Ethylenically unsaturated amine salts of sulfonic, phosphoric, and carboxylic acids
US6506804B2 · kind B2 · utility
5Cited by
22References
10Claims
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Key dates
| Filing date | Mar 8, 2001 |
| Grant date | Jan 14, 2003 |
| Priority date | — |
| Expiry date | Mar 8, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/919
- 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.