Haloacetamidines and the herbicidal use thereof
CA 1189075 A · Owner: Rhone-Poulenc Inc. · Inventors: Teach, Eugene G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Dichloroacetamidines having the formula in which A and B are independently selected from hydrogen fluorine, chlorine, bromine and methyl provided that at, least one of A or B is other than hydrogen; M is hydrogen or methyl;, X is selected from the group consisting of trifluoromethyl lower alkyl, nitro, chloro, bromo, fluoro cyano, lower, alkoxy scetyl, lower alkylthio trifluoromethylthio, and, 3,3-diloweralkyl ureido; Y is selected from the group consisting of hydrogen lower, alkyl, chloro, fluoro, nitro, trifluoromethyl and lower, alkoxy;, Z is selected from the group consisting of hydrogen and chloro;, R1 is selected from the group consisting of hydrogen alkyl, and allyl;, R2 is selected …
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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 June 18, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 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.