Control agent composition for protecting timber
CA 1196452 A · Owner: Kymi Kymmene Oy · Inventors: Linderborg, Irma
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 control agent composition for protecting timber against fungi which cause sapstain and mildew, and it contains as a synergistic mixture an alkali metal salt of some biocidal organic acid and one or several quaternary ammonium salts belonging to the group of monoalkyltrimethyl-, dialkyldimethyl- and alkylaryldimethylammonium chlorides and alkylpyridinium chlorides, and that in the molecules of these the alkyl groups contain 8 - 18 C atoms.
Read the whole patent
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 November 12, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2002.
- 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.