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US 5,874,025 AGranted
Timber preservative containing a copper compound
AssigneeBayer Aktiengesellschaft
InventorsLutz Heuer, Winfried Joentgen, Torsten Groth
Life of this patent
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Abstract
Novel wood preservatives comprising at least one copper compound and polyaspartic acid or a derivative of the same, a triazole compound and if appropriate at least one synergistically complementing other fungicide and/or insecticide if appropriate an emulsifier and/or a small amount of alkanolamine.
Claims8
A composition for preserving wood, said composition comprising the following ingredients:
- a) at least one copper compound;
- b) a polyaspartic acid compound;
- c) a triazole compound;
- and
- d) an emulsifier;
- wherein said polyaspartic acid compound comprises repeating succinyl units selected from the group consisting of succinyl units of the following formulae:
- ##STR9##
4 more elements
Dependencies are inferred from the claim text.