Insecticidal and acaricidal agents
CA 1107641 A · Owner: Bayer Aktiengesellschaft · Inventors: Block, Hans-Dieter; Behrenz, Wolfgang; Arend, Gunter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is related to an arthropodicidal composition containing as active ingredients (1) a phosphorus-containing compound of the general formula, in whiCh R1, R2 and R3, independently of one another each represent, an alkyl, alkenyl or aryl radical which can be optionally, substituted, at least one of R1 R2 and R3 representing an, optionally substituted alkenyl radical which is unsaturated in the 2-position, X represents oxygen or sulphur and and Z, independently of one another, each represent oxygen sulphur or a single bond, and if both Y and Z represent oxygen or sulphur or a single bond, R1 and/or R2 and/or R3 can denote propargyl in addition to the radicals indicated above and …
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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 August 25, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 1998.
- 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.