Microcapsules containing suspensions of biologically active comp

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

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424417, 424421, 424489, 424490, 424501, 264 41, A01N 2528

Patent

active

058465545

ABSTRACT:
Microcapsules containing a biologically active material which is sensitive to ultraviolet light are prepared which contain an ultraviolet light protectant selected from titanium dioxide, zinc oxide and mixtures thereof, suspended and thoroughly dispersed in a liquid.

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