Aqueous emulsion composition
US7803892B2 · kind B2 · utility
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Key dates
| Filing date | Feb 5, 2004 |
| Grant date | Sep 28, 2010 |
| Priority date | — |
| Expiry date | Jun 15, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2566
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An aqueous emulsion composition comprising (A) an aqueous resin emulsion comprising a fluorine-containing polymer and (B) a surfactant of the formula:R1O—(CH2CH2O)p—(R2O)q—R3 (1)wherein R1 is an alkyl group or an alkenyl group, R2 is an alkylene group, R3 is a hydrogen atom, an alkyl group or an alkenyl group, p is the number of at least 2, q is the number of at least 1, and p and q are such numbers that the weight ratio of the polyoxyethylene block is from 5 to 80% by weight based on whole molecule, is excellent in stability against impurity and mechanical stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.