Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Biocides; animal or insect repellents or attractants
Reexamination Certificate
2002-12-10
2010-11-16
Azpuru, Carlos A (Department: 1615)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Biocides; animal or insect repellents or attractants
Reexamination Certificate
active
07833543
ABSTRACT:
The present invention relates to novel nonpolymeric compounds and compositions that form liquid, high viscosity materials suitable for the delivery of biologically active substances in a controlled fashion, and for use as medical or surgical devices. The materials can optionally be diluted with a solvent to form a material of lower viscosity, rendering the material easy to administer. This solvent may be water insoluble or water soluble, where the water soluble solvent rapidly diffuses or migrates away from the material in vivo, leaving a higher viscosity liquid material.
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Gibson John W.
Middleton John C.
Miller Stacey S.
Tipton Arthur J.
Azpuru Carlos A
Durect Corporation
McCracken Thomas P.
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