Highly concentrated emulsifiable concentrates of neophanes and azaneophanes for use in plant protection
CA 2036429 A1 · Owner: Rochling, Hans · Inventors: Rochling, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure: Highly concentrated emulsifiable concentrates of neophanes and azaneophanes for use in plant protection Highly concentrated emulsifiable concentrates of compounds of the general formula I, (I) in which, A, B = independently of one another CH CR4 or N, X = CH2, O or S, Y = CH or N Z = H or F, R1 and R4 = independently of one another H halogen, (C1-C3)-alkyl, (C1-C3)-halogenoalkyl (C1-C3)-alkoxy, (C1-C3)-halogenoalkoxy (C1-C4)-alkylthio or (C1-C4)-halogenoalkylthio or R1 and R4 together = -CH2-O-CH2-;, R2 = H (C1-C3)-alkyl, ethynyl, vinyl, halogen or cyano, R3 = H, halogen, (C1-C4)-alkyl or (C1-C3)-alkoxy and M = C or Si, which contain a combination of an anionic …
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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
- Filed February 15, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 15, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 15, 2013.
- 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.