Herbicidal agents
CA 1287743 C · Owner: Hoechst Aktiengesellschaft · Inventors: Bieringer, Hermann; Bauer, Klaus; Willms, Lothar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the disclosure Herbicidal agents which contain an active ingredient of the formula 1, (I), wherein R denotes H or (substituted) alkyl or its salt, in combination with a compound of the formula II or its salts, (II), wherein R1 denotes an aliphatic (substituted) phenyl benzyl, pyrazolyl or thienyl radical, R1' denotes H alkyl, or alkenyl, R2 and R3 denote an aliphatic radical or halogen, X denotes O, S or NR6 and Z denotes CH or N or, in combination with a compound of the formula III or III' (III'), (III) , wherein R7 denotes (substituted) phenyl (substituted), quinolinyl or (substituted) pyridyl and R8 denotes H -CONH(alkyl), -CO(alkyl) or -O-CO(alkyl) or its salt, exhibit …
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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 20, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 2008.
- 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.