2-substituted-5-trifluoromethylpyridine compounds and process for preparation thereof
CA 1093080 A · Owner: Ishihara Sangyo Kaisha Ltd. · Inventors: Fujikawa, Kanichi; Nishiyama, Ryuzo; Nagatani, Kuniaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A 2-substituted-5-trifluoromethylpyridine compound represented by the following general formula (I): (I), wherein X represents a hydrogen atom or a chlorine atom and, Y represents a fluorine atom or a chlorine atom and a process, for the preparation thereof. These compounds are useful as intermediates in the production of medicines various ag-, ricultural chemicals including herbicides and dyes.
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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 January 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 6, 1998.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.