Agents for combating snails and slugs
CA 1233113 A · Owner: Bayer Aktiengesellschaft · Inventors: Schluter, Klemens; Schnorbach, Hans-Jurgen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
23189-5905, A method of combating slugs and snails comprising applying to a plant or to an area from which it is desired to exclude such slugs and snails a repellent amount of at least one benzoyl urea of the formula in which, R, R1 and R2 each independently is hydrogen alkyl, alkoxy or halogen, R3 and R4 each independently is hydrogen alkyl, aralkyl, aryl, alkoxy, aralkoxy aryloxy J, alkylthio, aralkylthio or arylthio A is an aromatic or heteroaromatic radical and, X and X1 each independently is oxygen or sulphur. Le A 22 794
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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 February 23, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 23, 2005.
- 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.