Method for treating wood surfaces
CA 2607737 C · Owner: Menzel, Klaus · Inventors: Militz, Holger; Wagner, Eva; Menzel, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for treating wood or wood material surfaces with surface treatment agents and to the wood or wood materials treated by said method. Said method comprises the steps of a) impregnating wood a wood , material or a material for manufacturing a wood material with a hardenable aqueous composition, which contains at least one cross-linkable compound selected from .alpha.) low-molecular weight compounds V having at least two N-, bonded groups of formula CH2OH wherein R = hydrogen or C1-C4 alkyl, and/or one 1,2-bishydroxyethan-1,2-diyl group bridging two nitrogen atoms, .beta.) , precondensates of the compound V and .gamma.) reaction products or mixtures of the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed April 28, 2006 and granted April 7, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 28, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.