Nanoparticle and gelation stabilized functional composites of an ionic salt in a hydrophobic polymer matrix
US9499715B2 · kind B2 · utility
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Key dates
| Filing date | Jun 24, 2014 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Jun 24, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/098
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A controlled release composite membrane comprising hydrophobic styrene-butadienestyrene block copolymer as hydrophobic continuous medium and hydrophilic functional agents incorporated within silica nanoparticles as hydrophilic dispersed medium and a preparation process of said membrane are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.