Polyalkylene block copolymers as surface modifiers for...

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

A - Human Necessities

61

K

A61K 47/34 (2006.01) A61K 9/14 (2006.01)

Patent

CA 2213663

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 characterised in that the linking group is an oxymethylene group.

Composition contenant des nanoparticules ayant un modificateur de surface qui est un copolymère bloc contenant un ou plusieurs blocs de polyoxyéthylène et un ou plusieurs blocs de polyoxy(alkylène supérieur), au moins certains de ces blocs étant reliés entre eux par un groupe de liaison, caractérisé en ce que le groupe de liaison est un groupe oxyméthylène.

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