Polyalkylene block copolymers as surface modifiers for nanoparticles
US5565188A · kind A · utility
120Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1995 |
| Grant date | Oct 15, 1996 |
| Priority date | — |
| Expiry date | Feb 24, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/927
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There is disclosed a composition containing nanoparticles having a surface modifier wherein the surface modifier is a block copolymer containing one or more polyoxyethylene blocks and one or more polyoxy(higher alkylene) blocks wherein at least some of the blocks are linked together by a linking group characterized in that the linking group is an oxymethylene group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.