Pollen suppressant comprising a 5-oxy-or amino-substituted cinnoline
CA 1338738 C · Owner: Liang, Yi · Inventors: Fang, Lawrence; Patterson, Thomas G.; Guilford, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Pollen suppressants of the formula, wherein X represents a group of the formula OR1 or NR1R2 wherein R1 represents a C1-C4 alkyl (optionally substituted with a C1-C4 alkoxy group, 1 to 3 halogen atoms, or a carboxy or C1-C4 alkylcarbonyl group) alkenyl (optionally substituted with 1 to 3 halogen atoms), or alkynyl group and R2 represents H or CH3 with the proviso that when R1 is CH3, R2 is CH3; Y is hydrogen, C1-C22 linear alkyl or alkenyl containing up to four C=C double bonds, C3-C6 branched alkyl or alkenyl, C2-C4 alkoxyalkyl, cyclohexylmethyl halogen-, ated C1-C4 alkyl, phenyl, benzyl -(CH2CH2O)mCH2CH3 in, which m is an integer from 1 to 5 or -CH(CH2OR4)CH2OR5, or -CH2CHOR4CH2OR5 in …
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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 November 26, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2013.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.