Static diffusion cell for diffusion sampling systems

Chemistry: molecular biology and microbiology – Apparatus – Bioreactor

Reexamination Certificate

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Details

C435S297200, C435S297400, C422S105000, C422S105000, C073S064470, C210S321750, C210S321840

Reexamination Certificate

active

07470535

ABSTRACT:
A new design for a static diffusion cell for use in a diffusion sampling apparatus to be used in conjunction with automated or manual sampling is disclosed. The diffusion cell of present invention provides to an improved and efficient diffusion assay system.

REFERENCES:
patent: 4667504 (1987-05-01), Hobson
patent: 5972694 (1999-10-01), Mathus
patent: 6521191 (2003-02-01), Schenk et al.
International Search Report for Corresponding Application No. PCT/US2004/009193, Aug. 2004.
Bosman, I.J. et al. “Novel diffusion cell for in vitro transdermal permeation, compatible with automated dynamic sampling”, Journal of Pharmaceutical and Biomedical Analysis 14 (1996); pp. 1015-1023.
Chattaraj, S.C. et al. “A simple diffusion cell to monitor drug release from semi-solid dosage forms”, International Journal of Pharmaceutics 120 (1995); pp. 119-124.

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