Cucurbituril-containing gel and method of preparing the same

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Matrices

Reexamination Certificate

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C424S085100, C424S094400

Reexamination Certificate

active

07850992

ABSTRACT:
Provided are a gel including a compound represented by Formula 1 below and a method of preparing the same:wherein n, X, A1, and A2are as defined in the specification.

REFERENCES:
patent: 6365734 (2002-04-01), Kim et al.
patent: 2001/0034333 (2001-10-01), Kosak
patent: 0068232 (2000-11-01), None
patent: 03024978 (2003-03-01), None
patent: WO 03/055888 (2003-07-01), None
Feihe Huang, Harry W. Gibson, Polyseudotaxanes and polyrotoxanes, Prog. Polym. Sci. 30, 982-1018, 2005.
W.A. Freeman, et al., “Cucurbituril”, J. Am. Chem. Soc., 1981, pp. 7367-7368, vol. 103, American Chemical Society.
Jaheon Kim, et al., “New Cucurbituril Homologues: Syntheses, Isolation, Characterization, and X-ray Crystal Structures of Cucurbit[n]uril (n=5, 7, and 8)”, J. Am. Chem. Soc., 2000, pp. 540-541, vol. 122, American Chemical Society.

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