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US 5,635,217 AGranted
Wood preservatives
AssigneeDr. Wolman GmbH
InventorsReimer Goettsche, Hans-Volker Borck
Life of this patent
Estimating the term…
Abstract
Wood preservatives contain a copper compound, an alkanolamine, a triazole, an emulsifier and/or a phosphonium compound and are used for impregnating wood.
Claims30
A wood preservative comprising:
- i) a copper compound selected from the group consisting of copper sulfate, copper acetate, copper hydroxide, copper oxide, copper borate, copper fluoride, basic copper carbonate and a mixture thereof, in an amount fungicidally effective against wood destroying fungi;
- ii) an alkanolamine;
- iii) propiconazole, in an amount fungicidally effective against wood destroying fungi;
- and
- iv) an emulsifier.
2 more elements
A wood preservative concentrate comprising:
- i) 2.50-45% by weight of said concentrate of a fungicidally effective copper compound selected from the group consisting of copper sulfate, copper acetate, copper hydroxide, copper oxide, copper borate, copper fluoride, basic copper carbonate and a mixture thereof;
- ii) 5.00-50% by weight of said concentrate of an alkanolamine;
- iii) 0.25-15% by weight of said concentrate of propiconazole;
- and
- iv) 0.5-30% by weight of said concentrate of an emulsifier,
- wherein said copper, calculated as metal, is present in an amount of from 1.0-15.0% by weight of said concentrate.
3 more elements
A wood preservative comprising the product obtained by mixing:
- i) a copper compound selected from the group consisting of copper sulfate, copper acetate, copper hydroxide, copper oxide, copper borate, copper fluoride, basic copper carbonate and a mixture thereof, in an amount fungicidally effective against wood destroying fungi;
- ii) an alkanolamine;
- iii) propiconazole, in an amount fungicidally effective against wood destroying fungi;
- and
- iv) an emulsifier.
2 more elements
A wood preservative concentrate comprising the product obtained by mixing:
- i) 2.50-45% by weight of said concentrate of a fungicidally effective copper compound selected from the group consisting of copper sulfate, copper acetate, copper hydroxide, copper oxide, copper borate, copper fluoride, basic copper carbonate and a mixture thereof;
- ii) 5.00-50% by weight of said concentrate of an alkanolamine;
- iii) 0.25-15% by weight of said concentrate of propiconazole;
- and
- iv) 0.5-30% by weight of said concentrate of an emulsifier,
- wherein said copper, calculated as metal, is present in an amount of from 1.0-15.0% by weight of said concentrate.
3 more elements
A wood preservative comprising:
- i) basic copper carbonate, in an amount fungicidally effective against wood destroying fungi;
- ii) an alkanolamine;
- iii) propiconazole, in an amount fungicidally effective against wood destroying fungi;
- and
- iv) an emulsifier.
2 more elements
A wood preservative concentrate comprising:
- i) 2.50-45% by weight of said concentrate of basic copper carbonate;
- ii) 5.00-50% by weight of said concentrate of an alkanolamine;
- iii) 0.25-15% by weight of said concentrate of propiconazole;
- and
- iv) 0.5-30% by weight of said concentrate of an emulsifier,
- wherein said copper, calculated as metal, is present in an amount of from 1.0-15.0% by weight of said concentrate.
3 more elements
Dependencies are inferred from the claim text.