Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Nitrogen containing other than solely as a nitrogen in an...
Patent
1994-12-05
1996-09-24
O'Sullivan, Peter
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Nitrogen containing other than solely as a nitrogen in an...
106 2, 106 1505, 106 1832, 252194, 252380, 252403, 422 1, 424405, 428541, 504158, 514643, A01N 3312
Patent
active
055591558
ABSTRACT:
A high yield method for the preparation of C.sub.1 -C.sub.20 alkyl or aryl-substituted alkyl, C.sub.8 -C.sub.16 alkyl quaternary ammonium hydroxide is provided whereby two reactants, a corresponding quaternary ammonium chloride and a metal hydroxide, are reacted in a solvent comprising a C.sub.1 -C.sub.4 normal alcohol. The amount of metal hydroxide reactant is that amount sufficient to yield the quaternary ammonium hydroxide and a metal chloride.
Also provided are wood preservative systems which include (a) a biocidal effective amount of at least one di C.sub.8 -C.sub.12 alkyl quaternary ammonium hydroxide and (b) a solvent, as well as a method for preserving a wood substrate whereby the substrate is treated with the preservative system.
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Lonza Inc.
O'Sullivan Peter
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