Fungicidal agent to preserve freshly cut wood against blue stain and mold fungi attacks
CA 1257752 A · Owner: Gori As · Inventors: Jensen, Bjýrn U.; Imsgard, Finn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is concerned with a fungicidal composition for preserving freshly cut wood against blue stain and mold fungi attacks. The fungicidal composition according to the invention comprises an aqueous solution, emulsion or suspension containing:, a) 5 to 10% by weight of urea and, b) 0.25 to 1.0% by weight of at least one monoquaternary ammonium compound of the general formula (I), wherein R1, R2, R3 and R4 are the same or different and each represents a straight or branched saturated or unsaturated alkyl group of 1 to 20 carbon atoms alkylaryl group of 7 to 19 carbon atoms aralkyl, group of 2 to 27 carbon atoms or aryl group of 6 to 20 carbon atoms or alkylene oxide condensates of …
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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
- Granted July 25, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 25, 2006.
- 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.