Method of forming hydrogel particles having a controlled size us

Details Method of forming hydrogel particles having a controlled size us Method of forming hydrogel particles having a controlled size us

1993-11-16

1995-11-07

Kishore, Collamudi S.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Liposomes

424489, 424499, 4284022, A61K 9127, B01J 1302

Patent

active

054646294

ABSTRACT:
A method of fabricating hydrogel particles of controlled size within liposomes is provided, which entails encapsulating an effective amount of one or more hydrogel-forming substances in liposomes in a liquid medium, removing any unencapsulated hydrogel-forming substances from the liquid medium, adding initiator to the liquid medium and into the liposomes, thereby initiating reaction of the one or more hydrogel-forming substances, and removing any extra-liposomal initiators from the medium.

REFERENCES:
patent: 4192900 (1980-03-01), Cheng
patent: 4520178 (1985-05-01), Sakata
patent: 4839111 (1989-06-01), Huang
patent: 5104736 (1992-04-01), Wallach

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