Method for remotely controlling a sol-gel transition of...

Details Method for remotely controlling a sol-gel transition of... Method for remotely controlling a sol-gel transition of...

2008-01-16

2010-10-26

Wax, Robert A (Department: 1615)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

C424S486000, C604S020000

Reexamination Certificate

active

07820192

ABSTRACT:
The present invention relates to a method for remotely controlling a sol-gel transition of hydrogels and a method for delivering a drug using the same. More specifically, the invention relates to a method of remotely controlling a sol-gel transition of polyethylene glycol (PEG)-containing hydrogels—three-dimensional networks of crosslinked polymer chains—by X-ray irradiation, and relates to a method for delivering a drug using the same.

REFERENCES:
patent: 7235592 (2007-06-01), Muratoglu et al.
patent: 2004/0121451 (2004-06-01), Moritz et al.
patent: 2006/0074182 (2006-04-01), King et al.
patent: 2007/0248674 (2007-10-01), Del Curto et al.
patent: 2007-070490 (2007-03-01), None
Kang Moo Huh, et al., “Supramolecular-Structured Hydrogels Showing a Reversible Phase Transition by Inclusion Complexation Between Poly(ethylene glycol) Grafted Dextran and α-Cyclodextrin”, Nov. 25, 2001, vol. 34, pp. 8657-8662.

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