Non-water soluble polymeric surfactants
US7985820B2 · kind B2 · utility
1Cited by
17References
2Claims
0Family size
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Key dates
| Filing date | Oct 15, 2007 |
| Grant date | Jul 26, 2011 |
| Priority date | — |
| Expiry date | Mar 7, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/03
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A non-water soluble polymeric surfactant is prepared by reacting a polymerized/bodied unsaturated oil with maleic anhydride followed by a further partial or complete reaction with an amine to form an amide; or an alcohol to form an ester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.