Optically active diazabicycloalkane derivatives and their use for protecting crops from the phytotoxic effect of herbicides
CA 1301152 C · Owner: Basf Aktiengesellschaft · Inventors: Wuerzer, Bruno; Scholz, Herbert; Meyer, Norbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
0.Z. 0050/38193, ABSTRACT OF THE DISCLOSURE: Diazabicycloalkane derivatives of the formula where R is alkyl, R1, R2, R3, R4, R5, R6 R7 and R8 are identical or, different and independently of one another are each hydrogen or methyl X, 5 is chlorine or bromine, m is O or 1 n is 1 or 2. and p and q are each 0, 1 or 2 the carbon atom functioning as bridgehead having an R configuration, and herbicidal agents containing acetanilides as herbididally active compounds and diazabicycloalkane derivatives as antagonistic agents.
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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 May 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
- 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.