Electrostatically bonded polymer vesicle
US8304497B2 · kind B2 · utility
5Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2006 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Dec 7, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention discloses a vesicle which is excellent in structure stability and environmental responsiveness and also can be produced by a simple operation. More particularly, the present invention discloses a vesicle comprising a membrane formed of a first block copolymer containing a non-chargeable hydrophilic segment and a chargeable segment, and a second block copolymer containing a non-chargeable hydrophilic segment and a chargeable segment having an electric charge which is opposite to that of the chargeable segment of the first block copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.