Surface coating spatially controlled patterns

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Biocides; animal or insect repellents or attractants

Reexamination Certificate

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Details

C424S426000, C435S006120, C514S001000, C514S04400A

Reexamination Certificate

active

06855329

ABSTRACT:
The invention provides a biodegradable and biocompatible polymer article having a surface wherein a biologically active ligand is provided on said surface in a spatially controlled pattern. The pattern may be formed using a poly(dimethyl siloxane) mold. The biologically active ligand may be attached to the polymer article by a biotin-avidin-biotin linkage.

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patent: WO 9733737 (1997-09-01), None
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