Schering Aktiengesellschaft

Witco Corporation

Horst Landsiedel

Hans Plum

Dirk Ventur

The present invention relates to the use of thiadiazoles of the type ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 =

Use of thiadiazoles as biocides for material protection

Diorganotin compounds, and agents which have a bactericidal and

Tris(triorganotin) esters of trimeric fatty acids wherein the groups which are organically combined with the tin atom are the same or different and are linear or branched alkyl having from 3 to 6 carbon atoms, cyclohexyl, or phenyl, and biocidal agents containing these compounds as an active ingredient.

Tris(triorganotin) esters of trimeric fatty acids

Tri-n-butylstannyloxy tricyclodecanes, their preparation, and biocidal agents containing the same as active ingredients.

Biocidal tributyltin compounds

What are disclosed are methods for rendering a substrate such as wood biocidal by treating the substrate with a biocidal triorganotin compound of the formula ##STR1## wherein R is cyclohexyl, phenyl, or alkyl having from 3 to 8 carbon atoms.

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Unna, Germany

Horst Landsiedel