Fused n-phenylsulfonyl-n'-pyrimidinylureas and n- phenylsulfonyl-n'-triazinylureas
CA 1237132 A · Owner: Novartis Ag · Inventors: Meyer, Willy; Topfl, Werner; Ehrenfreund, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Fused N-phenylsulfonyl-N'-pyrimidinylureas and N-phenylsulfonyl-N'triazinylureas, Abstract, The invention relates to N-phenylsulfonyl-N'-pyrimidinylureas and N-phenylsulfonyl-N-triazinylureas of the general formula (I) , wherein, Z is oxygen or sulfur, E is nitrogen or =CH- R1 is hydrogen, halogen, nitro, C1-C4 alkyl C1-C4 haloalkyl, C1-C4, alkoxy, C1-C4 haloalkoxy C1-C4 alkoxycarbonyl, C1-C4 alkylthio, C1-C4 alkylsulfinyl C1-C4 alkylsulfonyl or C2-C5 alkoxyalkoxy R2 is hydrogen, C1-C4 alkyl or C1-C3 alkoxy R3 and R4, each independently of the other are hydrogen, C1-C4 alkyl, C1-C4 alkoxy C1-C4 haloalkoxy, C1-C4 haloalkylthio, C1-C4 alkylthio, halogen, C2-C5 alkoxyalkyl, C2-C5 alkoxyalkoxy …
Read the whole patent
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 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2005.
- 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.