Insecticidal, miticidal and lepidoptericidal active isothiuronium complex and free bases
CA 1052809 A · Owner: Stauffer Chemical Company · Inventors: Fancher, Llewellyn W.; Freiberg, Ashley H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compound having the formula wherein R can be selected from the group consisting of benzyhydryl and lower alkyls having from about 5 to about 8 carbon atoms; R1 can be selected from the group of alkenyl, methyl thiomethyl, aryl, aralkyl, substituted aralkyl cycloalkyl and lower alkyls, having from about 1 to about 6 carbon atoms; R2 can be selected from the group consisting of alkenyl, aryl aralkyl, methyl thiomethyl, cycloalkyl and lower alkyls, having from about 5 to about 10 carbon atoms and X can be selected from the group consisting of organic acids, inorganic acids or is non-existant, thus forming a free base the or-, ganic and inorganic acids are preferably those selected from 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
- Granted April 17, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 17, 1996.
- 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.