Polyalkylene block copolymers as surface modifiers for nanoparti

Details Polyalkylene block copolymers as surface modifiers for nanoparti Polyalkylene block copolymers as surface modifiers for nanoparti

1995-02-24

1996-10-15

Krass, Frederick

Drug, bio-affecting and body treating compositions

In vivo diagnosis or in vivo testing

X-ray contrast imaging agent

424 94, 424 945, 424489, 424495, 424499, 514718, 514975, A61K 914

Patent

active

055651887

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.

REFERENCES:
patent: 4587365 (1986-05-01), Anchor
patent: 5041346 (1991-08-01), Giles
patent: 5145684 (1992-09-01), Liversidge et al.
patent: 5326552 (1994-06-01), Na et al.
Chemical Abstracts 117:151640, "High Molecular Weight Polyetherpolyols".

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