1-thiadiazolylimidazolidinones
CA 1046516 A · Owner: Velsicol Chemical Corporation · Inventors: Krenzer, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention discloses compounds of the formula wherein R1 is selected from the group consisting of alkyl alkenyl, haloalkyl, alkoxy, alkylthio, alkysulfonyl alkyl-, sulfinyl and cycloalkyl of from 3 to 7 carbon atoms optionally substituted with alkyl, alkoxy, halogen or hydroxy; and R2 is selected from the group consisting of alkyl alkenyl, haloalkyl, and, wherein R3 and R4 are each hydrogen or alkyl; provided that R2 is alkyl only when R1 is cylcoalkyl. The compounds of this invention are useful as herbicides, especially in weed control programs.
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 January 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 16, 1996.
- 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.