Patent · US Active

Core-shell capsules for encapsulation of particles, colloids, and cells

US11260080B2 · kind B2 · utility

0Cited by

2References

17Claims

0Family size

Assignee

Versitech Limited · CN

Inventors

Ho Cheung Shum · Hong Kong, CN
Yang Song · Shanghai, CN

Key dates

Filing date	Sep 29, 2017
Grant date	Mar 1, 2022
Priority date	—
Expiry date	Jan 13, 2038

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K35/34
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Methods for preparing capsules, such as micro- and/or nanocapsules from all-aqueous emulsions are described herein. The method includes mixing, combining, or contacting a first electrically charged phase containing a first solute with at least an optionally charged second phase containing a second solute. The solutes are incompatible with each other. The electrostatic forces between the two solutions induce the formation of droplets of a dispersed phase in a continuous phase. The droplets are then solidified to form the capsules.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.