Microcapsules comprising a water-immiscible core and a wall comprising the salt of a lewis acid and a lewis base
US10105295B2 · kind B2 · utility
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29Claims
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Key dates
| Filing date | Aug 22, 2017 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Aug 22, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/652
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A microcapsule suspension for treating a protein-containing surface includes droplets of a dispersed water-immiscible core phase, an aqueous continuous phase, and a wall surrounding each core phase droplet. The wall includes the salt formed from at least one Lewis base reactant and at least one Lewis acid reactant, wherein at least one Lewis base reactant or Lewis acid reactant is amphiphilic and wherein at least one Lewis acid reactant is selected from the group consisting of proteins, protein hydrolysates, charged amino acids, and water-soluble salts of any of these.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.